Abstract

We demonstrate the first example of a closed-loop adaptive control experiment in the soft-x-ray spectral region. The branching ratio of the dissociative photoionization of sulfur hexafluoride (SF6) can be maximized and minimized by applying tailored soft-x-ray femtosecond light fields. The spectrally shaped coherent soft-x-ray pulses are produced by high-harmonic generation driven by phase-shaped femtosecond laser pulses. The stability of the shaped high-harmonic output is high enough to perform adaptive control experiments, albeit its strong nonlinear dependence on the driving laser pulse shape. This experiment opens the door to the application of pulse-shaping and coherent-control techniques in the soft-x-ray range.

©2007 Optical Society of America

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References

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  1. R. S. Judson and H. Rabitz, “Teaching lasers to control molecules,” Phys. Rev. Lett. 68,1500–1503 (1992).
    [Crossref] [PubMed]
  2. C. J. Bardeen, V. V. Yakovlev, K. R. Wilson, S. D. Carpenter, P. M. Weber, and W. S. Warren, “Feedback quantum control of molecular electronic population transfer,” Chem. Phys. Lett. 280,151–158 (1997).
    [Crossref]
  3. A. Assion, T. Baumert, M. Bergt, T. Brixner, B. Kiefer, V. Seyfried, M. Strehle, and G. Gerber, “Control of chemical reactions by feedback-optimized phase-shaped femtosecond laser pulses,” Science 282,919–922 (1998).
    [Crossref] [PubMed]
  4. D. Zeidler, T. Hornung, D. Proch, and M. Motzkus, “Adaptive compression of tunable pulses from a non-collinear-type OPA to below 16 fs by feedback-controlled pulse shaping,” Appl. Phys. B 70,S125–S131 (2000).
    [Crossref]
  5. F. Eickemeyer, R. A. Kaindl, M. Woerner, T. Elsaesser, and A. M. Weiner, “Controlled shaping of ultrafast electric field transients in the mid-infrared spectral range,” Opt. Lett. 25,1472–1474 (2000).
    [Crossref]
  6. M. Hacker, G. Stobrawa, R. Sauerbrey, T. Buckup, M. Motzkus, M. Wildenhain, and A. Gehner, “Micromirror SLM for femtosecond pulse shaping in the ultraviolet,” Appl. Phys. B 76,711–714 (2003).
    [Crossref]
  7. R. Bartels, S. Backus, E. Zeek, L. Misoguti, G. Vdovin, I. Christov, M. M. Murnane, and H. C. Kapteyn, “Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays,” Nature 406,164–166 (2000).
    [Crossref] [PubMed]
  8. D. H. Reitze, S. Kazamias, F. Weihe, G. Mullot, D. Douillet, F. Augé, O. Albert, V. Ramanathan, J. P. Chambaret, D. Hulin, and P. Balcou, “Enhancement of high-order harmonic generation at tuned wavelengths through adaptive control,” Opt. Lett. 29,86–88 (2004).
    [Crossref] [PubMed]
  9. T. Pfeifer, D. Walter, C. Winterfeldt, C. Spielmann, and G. Gerber, “Controlling the spectral shape of coherent soft x-rays,” Appl. Phys. B 80,277–280 (2005).
    [Crossref]
  10. T. Pfeifer, R. Kemmer, R. Spitzenpfeil, D. Walter, C. Winterfeldt, G. Gerber, and C. Spielmann, “Spatial Control of High-Harmonic Generation in Hollow Fibers,” Opt. Lett. 30,1497–1499 (2005).
    [Crossref] [PubMed]
  11. D. Walter, T. Pfeifer, C. Winterfeldt, R. Kemmer, R. Spitzenpfeil, G. Gerber, and C. Spielmann, ldquo;Adaptive spatial control of fiber modes and their excitation for high-harmonic generation,” Opt. Express 14,3433–3442 (2006).
    [Crossref] [PubMed]
  12. W. Eberhardt, T. K. Sham, R. Carr, S. Krummacher, M. Strongin, S. L. Weng, and D. Wesner, “Site-Specific Fragmentation of Small Molecules Following Soft-X-Ray Excitation,” Phys. Rev. Lett. 50,1038–1041 (1983).
    [Crossref]
  13. R. J. Levis, G. M. Menkir, and H. Rabitz, “Selective bond dissociation and rearrangement with optimally tailored, strong-field laser pulses,” Science 292,709–713 (2001).
    [Crossref] [PubMed]
  14. S. Vajda, A. Bartelt, E. C. Kaposta, T. Leisner, C. Lupulescu, S. Minemoto, P. Rosendo-Francisco, and L. Wöste, “Feedback optimization of shaped femtosecond laser pulses for controlling the wavepacket dynamics and reactivity of mixed alkaline clusters,” Chem. Phys. 267,231–239 (2001).
    [Crossref]
  15. K. Mochiji, K. Lee, C. I. Ma, D. Y. Kim, M. Mahalingam, and D. M. Hanson, “Photodissociation of SF6 Near the F 1s Absorption-Edge,” J. Vac. Sci. Technol. A 12,216–218 (1994).
    [Crossref]
  16. D. S. Peterka, M. Ahmed, C. Y. Ng, and A. G. Suits, “Dissociative photoionization dynamics of SF6 by ion imaging with synchrotron undulator radiation,” Chem. Phys. Lett. 312,108–114 (1999).
    [Crossref]
  17. M. Ono and K. Mitsuke, “Anisotropy of fragment ions from SF6 by photoexcitation between 23 and 210 eV,” Chem. Phys. Lett. 366,595–600 (2002).
    [Crossref]
  18. M. Ono and K. Mitsuke, “Kinetic energy distribution and anisotropy of fragment ions from SF6 by photoexcita-tion of a sulfur 2p-electron,” Chem. Phys. Lett. 379,248–254 (2003).
    [Crossref]
  19. A. Palacios, H. Bachau, and F. Mart´in, “Enhancement and control of H-2 dissociative ionization by femtosecond VUV laser pulses,” Phys. Rev. Lett. 96,143001 (2006).
    [Crossref] [PubMed]
  20. W. C. Wiley and I. H. McLaren, “Time-of-Flight Mass Spectrometer with Improved Resolution,” Rev. Sci. Instr. 26,1150–1157 (1955).
    [Crossref]
  21. A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
    [Crossref] [PubMed]
  22. T. Feurer, J. C. Vaughan, R. M. Koehl, and K. A. Nelson, “Multidimensional control of femtosecond pulses by use of a programmable liquid-crystal matrix,” Opt. Lett. 27,652–654 (2002).
    [Crossref]
  23. T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
    [Crossref] [PubMed]
  24. T. Pfeifer, L. Gallmann, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, “Heterodyne mixing of laser fields for temporal gating of high-order harmonic generation,” Phys. Rev. Lett. 97 (2006).
    [Crossref] [PubMed]

2006 (3)

A. Palacios, H. Bachau, and F. Mart´in, “Enhancement and control of H-2 dissociative ionization by femtosecond VUV laser pulses,” Phys. Rev. Lett. 96,143001 (2006).
[Crossref] [PubMed]

T. Pfeifer, L. Gallmann, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, “Heterodyne mixing of laser fields for temporal gating of high-order harmonic generation,” Phys. Rev. Lett. 97 (2006).
[Crossref] [PubMed]

D. Walter, T. Pfeifer, C. Winterfeldt, R. Kemmer, R. Spitzenpfeil, G. Gerber, and C. Spielmann, ldquo;Adaptive spatial control of fiber modes and their excitation for high-harmonic generation,” Opt. Express 14,3433–3442 (2006).
[Crossref] [PubMed]

2005 (2)

T. Pfeifer, R. Kemmer, R. Spitzenpfeil, D. Walter, C. Winterfeldt, G. Gerber, and C. Spielmann, “Spatial Control of High-Harmonic Generation in Hollow Fibers,” Opt. Lett. 30,1497–1499 (2005).
[Crossref] [PubMed]

T. Pfeifer, D. Walter, C. Winterfeldt, C. Spielmann, and G. Gerber, “Controlling the spectral shape of coherent soft x-rays,” Appl. Phys. B 80,277–280 (2005).
[Crossref]

2004 (2)

D. H. Reitze, S. Kazamias, F. Weihe, G. Mullot, D. Douillet, F. Augé, O. Albert, V. Ramanathan, J. P. Chambaret, D. Hulin, and P. Balcou, “Enhancement of high-order harmonic generation at tuned wavelengths through adaptive control,” Opt. Lett. 29,86–88 (2004).
[Crossref] [PubMed]

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

2003 (3)

M. Hacker, G. Stobrawa, R. Sauerbrey, T. Buckup, M. Motzkus, M. Wildenhain, and A. Gehner, “Micromirror SLM for femtosecond pulse shaping in the ultraviolet,” Appl. Phys. B 76,711–714 (2003).
[Crossref]

M. Ono and K. Mitsuke, “Kinetic energy distribution and anisotropy of fragment ions from SF6 by photoexcita-tion of a sulfur 2p-electron,” Chem. Phys. Lett. 379,248–254 (2003).
[Crossref]

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

2002 (2)

M. Ono and K. Mitsuke, “Anisotropy of fragment ions from SF6 by photoexcitation between 23 and 210 eV,” Chem. Phys. Lett. 366,595–600 (2002).
[Crossref]

T. Feurer, J. C. Vaughan, R. M. Koehl, and K. A. Nelson, “Multidimensional control of femtosecond pulses by use of a programmable liquid-crystal matrix,” Opt. Lett. 27,652–654 (2002).
[Crossref]

2001 (2)

R. J. Levis, G. M. Menkir, and H. Rabitz, “Selective bond dissociation and rearrangement with optimally tailored, strong-field laser pulses,” Science 292,709–713 (2001).
[Crossref] [PubMed]

S. Vajda, A. Bartelt, E. C. Kaposta, T. Leisner, C. Lupulescu, S. Minemoto, P. Rosendo-Francisco, and L. Wöste, “Feedback optimization of shaped femtosecond laser pulses for controlling the wavepacket dynamics and reactivity of mixed alkaline clusters,” Chem. Phys. 267,231–239 (2001).
[Crossref]

2000 (3)

R. Bartels, S. Backus, E. Zeek, L. Misoguti, G. Vdovin, I. Christov, M. M. Murnane, and H. C. Kapteyn, “Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays,” Nature 406,164–166 (2000).
[Crossref] [PubMed]

D. Zeidler, T. Hornung, D. Proch, and M. Motzkus, “Adaptive compression of tunable pulses from a non-collinear-type OPA to below 16 fs by feedback-controlled pulse shaping,” Appl. Phys. B 70,S125–S131 (2000).
[Crossref]

F. Eickemeyer, R. A. Kaindl, M. Woerner, T. Elsaesser, and A. M. Weiner, “Controlled shaping of ultrafast electric field transients in the mid-infrared spectral range,” Opt. Lett. 25,1472–1474 (2000).
[Crossref]

1999 (1)

D. S. Peterka, M. Ahmed, C. Y. Ng, and A. G. Suits, “Dissociative photoionization dynamics of SF6 by ion imaging with synchrotron undulator radiation,” Chem. Phys. Lett. 312,108–114 (1999).
[Crossref]

1998 (1)

A. Assion, T. Baumert, M. Bergt, T. Brixner, B. Kiefer, V. Seyfried, M. Strehle, and G. Gerber, “Control of chemical reactions by feedback-optimized phase-shaped femtosecond laser pulses,” Science 282,919–922 (1998).
[Crossref] [PubMed]

1997 (1)

C. J. Bardeen, V. V. Yakovlev, K. R. Wilson, S. D. Carpenter, P. M. Weber, and W. S. Warren, “Feedback quantum control of molecular electronic population transfer,” Chem. Phys. Lett. 280,151–158 (1997).
[Crossref]

1994 (1)

K. Mochiji, K. Lee, C. I. Ma, D. Y. Kim, M. Mahalingam, and D. M. Hanson, “Photodissociation of SF6 Near the F 1s Absorption-Edge,” J. Vac. Sci. Technol. A 12,216–218 (1994).
[Crossref]

1992 (1)

R. S. Judson and H. Rabitz, “Teaching lasers to control molecules,” Phys. Rev. Lett. 68,1500–1503 (1992).
[Crossref] [PubMed]

1983 (1)

W. Eberhardt, T. K. Sham, R. Carr, S. Krummacher, M. Strongin, S. L. Weng, and D. Wesner, “Site-Specific Fragmentation of Small Molecules Following Soft-X-Ray Excitation,” Phys. Rev. Lett. 50,1038–1041 (1983).
[Crossref]

1955 (1)

W. C. Wiley and I. H. McLaren, “Time-of-Flight Mass Spectrometer with Improved Resolution,” Rev. Sci. Instr. 26,1150–1157 (1955).
[Crossref]

Abel, M. J.

T. Pfeifer, L. Gallmann, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, “Heterodyne mixing of laser fields for temporal gating of high-order harmonic generation,” Phys. Rev. Lett. 97 (2006).
[Crossref] [PubMed]

Ahmed, M.

D. S. Peterka, M. Ahmed, C. Y. Ng, and A. G. Suits, “Dissociative photoionization dynamics of SF6 by ion imaging with synchrotron undulator radiation,” Chem. Phys. Lett. 312,108–114 (1999).
[Crossref]

Albert, O.

Assion, A.

A. Assion, T. Baumert, M. Bergt, T. Brixner, B. Kiefer, V. Seyfried, M. Strehle, and G. Gerber, “Control of chemical reactions by feedback-optimized phase-shaped femtosecond laser pulses,” Science 282,919–922 (1998).
[Crossref] [PubMed]

Augé, F.

Bachau, H.

A. Palacios, H. Bachau, and F. Mart´in, “Enhancement and control of H-2 dissociative ionization by femtosecond VUV laser pulses,” Phys. Rev. Lett. 96,143001 (2006).
[Crossref] [PubMed]

Backus, S.

R. Bartels, S. Backus, E. Zeek, L. Misoguti, G. Vdovin, I. Christov, M. M. Murnane, and H. C. Kapteyn, “Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays,” Nature 406,164–166 (2000).
[Crossref] [PubMed]

Balcou, P.

Baltuska, A.

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Bardeen, C. J.

C. J. Bardeen, V. V. Yakovlev, K. R. Wilson, S. D. Carpenter, P. M. Weber, and W. S. Warren, “Feedback quantum control of molecular electronic population transfer,” Chem. Phys. Lett. 280,151–158 (1997).
[Crossref]

Bartels, R.

R. Bartels, S. Backus, E. Zeek, L. Misoguti, G. Vdovin, I. Christov, M. M. Murnane, and H. C. Kapteyn, “Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays,” Nature 406,164–166 (2000).
[Crossref] [PubMed]

Bartelt, A.

S. Vajda, A. Bartelt, E. C. Kaposta, T. Leisner, C. Lupulescu, S. Minemoto, P. Rosendo-Francisco, and L. Wöste, “Feedback optimization of shaped femtosecond laser pulses for controlling the wavepacket dynamics and reactivity of mixed alkaline clusters,” Chem. Phys. 267,231–239 (2001).
[Crossref]

Baumert, T.

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

A. Assion, T. Baumert, M. Bergt, T. Brixner, B. Kiefer, V. Seyfried, M. Strehle, and G. Gerber, “Control of chemical reactions by feedback-optimized phase-shaped femtosecond laser pulses,” Science 282,919–922 (1998).
[Crossref] [PubMed]

Bergt, M.

A. Assion, T. Baumert, M. Bergt, T. Brixner, B. Kiefer, V. Seyfried, M. Strehle, and G. Gerber, “Control of chemical reactions by feedback-optimized phase-shaped femtosecond laser pulses,” Science 282,919–922 (1998).
[Crossref] [PubMed]

Brixner, T.

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

A. Assion, T. Baumert, M. Bergt, T. Brixner, B. Kiefer, V. Seyfried, M. Strehle, and G. Gerber, “Control of chemical reactions by feedback-optimized phase-shaped femtosecond laser pulses,” Science 282,919–922 (1998).
[Crossref] [PubMed]

Buckup, T.

M. Hacker, G. Stobrawa, R. Sauerbrey, T. Buckup, M. Motzkus, M. Wildenhain, and A. Gehner, “Micromirror SLM for femtosecond pulse shaping in the ultraviolet,” Appl. Phys. B 76,711–714 (2003).
[Crossref]

Carpenter, S. D.

C. J. Bardeen, V. V. Yakovlev, K. R. Wilson, S. D. Carpenter, P. M. Weber, and W. S. Warren, “Feedback quantum control of molecular electronic population transfer,” Chem. Phys. Lett. 280,151–158 (1997).
[Crossref]

Carr, R.

W. Eberhardt, T. K. Sham, R. Carr, S. Krummacher, M. Strongin, S. L. Weng, and D. Wesner, “Site-Specific Fragmentation of Small Molecules Following Soft-X-Ray Excitation,” Phys. Rev. Lett. 50,1038–1041 (1983).
[Crossref]

Chambaret, J. P.

Christov, I.

R. Bartels, S. Backus, E. Zeek, L. Misoguti, G. Vdovin, I. Christov, M. M. Murnane, and H. C. Kapteyn, “Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays,” Nature 406,164–166 (2000).
[Crossref] [PubMed]

Douillet, D.

Eberhardt, W.

W. Eberhardt, T. K. Sham, R. Carr, S. Krummacher, M. Strongin, S. L. Weng, and D. Wesner, “Site-Specific Fragmentation of Small Molecules Following Soft-X-Ray Excitation,” Phys. Rev. Lett. 50,1038–1041 (1983).
[Crossref]

Eickemeyer, F.

Elsaesser, T.

Feurer, T.

Gallmann, L.

T. Pfeifer, L. Gallmann, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, “Heterodyne mixing of laser fields for temporal gating of high-order harmonic generation,” Phys. Rev. Lett. 97 (2006).
[Crossref] [PubMed]

Gehner, A.

M. Hacker, G. Stobrawa, R. Sauerbrey, T. Buckup, M. Motzkus, M. Wildenhain, and A. Gehner, “Micromirror SLM for femtosecond pulse shaping in the ultraviolet,” Appl. Phys. B 76,711–714 (2003).
[Crossref]

Gerber, G.

D. Walter, T. Pfeifer, C. Winterfeldt, R. Kemmer, R. Spitzenpfeil, G. Gerber, and C. Spielmann, ldquo;Adaptive spatial control of fiber modes and their excitation for high-harmonic generation,” Opt. Express 14,3433–3442 (2006).
[Crossref] [PubMed]

T. Pfeifer, R. Kemmer, R. Spitzenpfeil, D. Walter, C. Winterfeldt, G. Gerber, and C. Spielmann, “Spatial Control of High-Harmonic Generation in Hollow Fibers,” Opt. Lett. 30,1497–1499 (2005).
[Crossref] [PubMed]

T. Pfeifer, D. Walter, C. Winterfeldt, C. Spielmann, and G. Gerber, “Controlling the spectral shape of coherent soft x-rays,” Appl. Phys. B 80,277–280 (2005).
[Crossref]

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

A. Assion, T. Baumert, M. Bergt, T. Brixner, B. Kiefer, V. Seyfried, M. Strehle, and G. Gerber, “Control of chemical reactions by feedback-optimized phase-shaped femtosecond laser pulses,” Science 282,919–922 (1998).
[Crossref] [PubMed]

Gohle, C.

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Goulielmakis, E.

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Graefe, O.

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

Hacker, M.

M. Hacker, G. Stobrawa, R. Sauerbrey, T. Buckup, M. Motzkus, M. Wildenhain, and A. Gehner, “Micromirror SLM for femtosecond pulse shaping in the ultraviolet,” Appl. Phys. B 76,711–714 (2003).
[Crossref]

Hansch, T. W.

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Hanson, D. M.

K. Mochiji, K. Lee, C. I. Ma, D. Y. Kim, M. Mahalingam, and D. M. Hanson, “Photodissociation of SF6 Near the F 1s Absorption-Edge,” J. Vac. Sci. Technol. A 12,216–218 (1994).
[Crossref]

Hentschel, M.

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Holzwarth, R.

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Horn, C.

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

Hornung, T.

D. Zeidler, T. Hornung, D. Proch, and M. Motzkus, “Adaptive compression of tunable pulses from a non-collinear-type OPA to below 16 fs by feedback-controlled pulse shaping,” Appl. Phys. B 70,S125–S131 (2000).
[Crossref]

Hulin, D.

Judson, R. S.

R. S. Judson and H. Rabitz, “Teaching lasers to control molecules,” Phys. Rev. Lett. 68,1500–1503 (1992).
[Crossref] [PubMed]

Kaindl, R. A.

Kaposta, E. C.

S. Vajda, A. Bartelt, E. C. Kaposta, T. Leisner, C. Lupulescu, S. Minemoto, P. Rosendo-Francisco, and L. Wöste, “Feedback optimization of shaped femtosecond laser pulses for controlling the wavepacket dynamics and reactivity of mixed alkaline clusters,” Chem. Phys. 267,231–239 (2001).
[Crossref]

Kapteyn, H. C.

R. Bartels, S. Backus, E. Zeek, L. Misoguti, G. Vdovin, I. Christov, M. M. Murnane, and H. C. Kapteyn, “Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays,” Nature 406,164–166 (2000).
[Crossref] [PubMed]

Kazamias, S.

Kemmer, R.

Kiefer, B.

A. Assion, T. Baumert, M. Bergt, T. Brixner, B. Kiefer, V. Seyfried, M. Strehle, and G. Gerber, “Control of chemical reactions by feedback-optimized phase-shaped femtosecond laser pulses,” Science 282,919–922 (1998).
[Crossref] [PubMed]

Kim, D. Y.

K. Mochiji, K. Lee, C. I. Ma, D. Y. Kim, M. Mahalingam, and D. M. Hanson, “Photodissociation of SF6 Near the F 1s Absorption-Edge,” J. Vac. Sci. Technol. A 12,216–218 (1994).
[Crossref]

Koehl, R. M.

Krampert, G.

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

Krausz, F.

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Krummacher, S.

W. Eberhardt, T. K. Sham, R. Carr, S. Krummacher, M. Strongin, S. L. Weng, and D. Wesner, “Site-Specific Fragmentation of Small Molecules Following Soft-X-Ray Excitation,” Phys. Rev. Lett. 50,1038–1041 (1983).
[Crossref]

Lee, K.

K. Mochiji, K. Lee, C. I. Ma, D. Y. Kim, M. Mahalingam, and D. M. Hanson, “Photodissociation of SF6 Near the F 1s Absorption-Edge,” J. Vac. Sci. Technol. A 12,216–218 (1994).
[Crossref]

Leisner, T.

S. Vajda, A. Bartelt, E. C. Kaposta, T. Leisner, C. Lupulescu, S. Minemoto, P. Rosendo-Francisco, and L. Wöste, “Feedback optimization of shaped femtosecond laser pulses for controlling the wavepacket dynamics and reactivity of mixed alkaline clusters,” Chem. Phys. 267,231–239 (2001).
[Crossref]

Leone, S. R.

T. Pfeifer, L. Gallmann, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, “Heterodyne mixing of laser fields for temporal gating of high-order harmonic generation,” Phys. Rev. Lett. 97 (2006).
[Crossref] [PubMed]

Levis, R. J.

R. J. Levis, G. M. Menkir, and H. Rabitz, “Selective bond dissociation and rearrangement with optimally tailored, strong-field laser pulses,” Science 292,709–713 (2001).
[Crossref] [PubMed]

Liese, D.

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

Lupulescu, C.

S. Vajda, A. Bartelt, E. C. Kaposta, T. Leisner, C. Lupulescu, S. Minemoto, P. Rosendo-Francisco, and L. Wöste, “Feedback optimization of shaped femtosecond laser pulses for controlling the wavepacket dynamics and reactivity of mixed alkaline clusters,” Chem. Phys. 267,231–239 (2001).
[Crossref]

Ma, C. I.

K. Mochiji, K. Lee, C. I. Ma, D. Y. Kim, M. Mahalingam, and D. M. Hanson, “Photodissociation of SF6 Near the F 1s Absorption-Edge,” J. Vac. Sci. Technol. A 12,216–218 (1994).
[Crossref]

Mahalingam, M.

K. Mochiji, K. Lee, C. I. Ma, D. Y. Kim, M. Mahalingam, and D. M. Hanson, “Photodissociation of SF6 Near the F 1s Absorption-Edge,” J. Vac. Sci. Technol. A 12,216–218 (1994).
[Crossref]

Mart´in, F.

A. Palacios, H. Bachau, and F. Mart´in, “Enhancement and control of H-2 dissociative ionization by femtosecond VUV laser pulses,” Phys. Rev. Lett. 96,143001 (2006).
[Crossref] [PubMed]

McLaren, I. H.

W. C. Wiley and I. H. McLaren, “Time-of-Flight Mass Spectrometer with Improved Resolution,” Rev. Sci. Instr. 26,1150–1157 (1955).
[Crossref]

Menkir, G. M.

R. J. Levis, G. M. Menkir, and H. Rabitz, “Selective bond dissociation and rearrangement with optimally tailored, strong-field laser pulses,” Science 292,709–713 (2001).
[Crossref] [PubMed]

Minemoto, S.

S. Vajda, A. Bartelt, E. C. Kaposta, T. Leisner, C. Lupulescu, S. Minemoto, P. Rosendo-Francisco, and L. Wöste, “Feedback optimization of shaped femtosecond laser pulses for controlling the wavepacket dynamics and reactivity of mixed alkaline clusters,” Chem. Phys. 267,231–239 (2001).
[Crossref]

Misoguti, L.

R. Bartels, S. Backus, E. Zeek, L. Misoguti, G. Vdovin, I. Christov, M. M. Murnane, and H. C. Kapteyn, “Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays,” Nature 406,164–166 (2000).
[Crossref] [PubMed]

Mitsuke, K.

M. Ono and K. Mitsuke, “Kinetic energy distribution and anisotropy of fragment ions from SF6 by photoexcita-tion of a sulfur 2p-electron,” Chem. Phys. Lett. 379,248–254 (2003).
[Crossref]

M. Ono and K. Mitsuke, “Anisotropy of fragment ions from SF6 by photoexcitation between 23 and 210 eV,” Chem. Phys. Lett. 366,595–600 (2002).
[Crossref]

Mochiji, K.

K. Mochiji, K. Lee, C. I. Ma, D. Y. Kim, M. Mahalingam, and D. M. Hanson, “Photodissociation of SF6 Near the F 1s Absorption-Edge,” J. Vac. Sci. Technol. A 12,216–218 (1994).
[Crossref]

Motzkus, M.

M. Hacker, G. Stobrawa, R. Sauerbrey, T. Buckup, M. Motzkus, M. Wildenhain, and A. Gehner, “Micromirror SLM for femtosecond pulse shaping in the ultraviolet,” Appl. Phys. B 76,711–714 (2003).
[Crossref]

D. Zeidler, T. Hornung, D. Proch, and M. Motzkus, “Adaptive compression of tunable pulses from a non-collinear-type OPA to below 16 fs by feedback-controlled pulse shaping,” Appl. Phys. B 70,S125–S131 (2000).
[Crossref]

Mullot, G.

Murnane, M. M.

R. Bartels, S. Backus, E. Zeek, L. Misoguti, G. Vdovin, I. Christov, M. M. Murnane, and H. C. Kapteyn, “Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays,” Nature 406,164–166 (2000).
[Crossref] [PubMed]

Nagel, P. M.

T. Pfeifer, L. Gallmann, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, “Heterodyne mixing of laser fields for temporal gating of high-order harmonic generation,” Phys. Rev. Lett. 97 (2006).
[Crossref] [PubMed]

Nelson, K. A.

Neumark, D. M.

T. Pfeifer, L. Gallmann, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, “Heterodyne mixing of laser fields for temporal gating of high-order harmonic generation,” Phys. Rev. Lett. 97 (2006).
[Crossref] [PubMed]

Ng, C. Y.

D. S. Peterka, M. Ahmed, C. Y. Ng, and A. G. Suits, “Dissociative photoionization dynamics of SF6 by ion imaging with synchrotron undulator radiation,” Chem. Phys. Lett. 312,108–114 (1999).
[Crossref]

Ono, M.

M. Ono and K. Mitsuke, “Kinetic energy distribution and anisotropy of fragment ions from SF6 by photoexcita-tion of a sulfur 2p-electron,” Chem. Phys. Lett. 379,248–254 (2003).
[Crossref]

M. Ono and K. Mitsuke, “Anisotropy of fragment ions from SF6 by photoexcitation between 23 and 210 eV,” Chem. Phys. Lett. 366,595–600 (2002).
[Crossref]

Palacios, A.

A. Palacios, H. Bachau, and F. Mart´in, “Enhancement and control of H-2 dissociative ionization by femtosecond VUV laser pulses,” Phys. Rev. Lett. 96,143001 (2006).
[Crossref] [PubMed]

Peterka, D. S.

D. S. Peterka, M. Ahmed, C. Y. Ng, and A. G. Suits, “Dissociative photoionization dynamics of SF6 by ion imaging with synchrotron undulator radiation,” Chem. Phys. Lett. 312,108–114 (1999).
[Crossref]

Pfeifer, T.

T. Pfeifer, L. Gallmann, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, “Heterodyne mixing of laser fields for temporal gating of high-order harmonic generation,” Phys. Rev. Lett. 97 (2006).
[Crossref] [PubMed]

D. Walter, T. Pfeifer, C. Winterfeldt, R. Kemmer, R. Spitzenpfeil, G. Gerber, and C. Spielmann, ldquo;Adaptive spatial control of fiber modes and their excitation for high-harmonic generation,” Opt. Express 14,3433–3442 (2006).
[Crossref] [PubMed]

T. Pfeifer, R. Kemmer, R. Spitzenpfeil, D. Walter, C. Winterfeldt, G. Gerber, and C. Spielmann, “Spatial Control of High-Harmonic Generation in Hollow Fibers,” Opt. Lett. 30,1497–1499 (2005).
[Crossref] [PubMed]

T. Pfeifer, D. Walter, C. Winterfeldt, C. Spielmann, and G. Gerber, “Controlling the spectral shape of coherent soft x-rays,” Appl. Phys. B 80,277–280 (2005).
[Crossref]

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

Proch, D.

D. Zeidler, T. Hornung, D. Proch, and M. Motzkus, “Adaptive compression of tunable pulses from a non-collinear-type OPA to below 16 fs by feedback-controlled pulse shaping,” Appl. Phys. B 70,S125–S131 (2000).
[Crossref]

Rabitz, H.

R. J. Levis, G. M. Menkir, and H. Rabitz, “Selective bond dissociation and rearrangement with optimally tailored, strong-field laser pulses,” Science 292,709–713 (2001).
[Crossref] [PubMed]

R. S. Judson and H. Rabitz, “Teaching lasers to control molecules,” Phys. Rev. Lett. 68,1500–1503 (1992).
[Crossref] [PubMed]

Ramanathan, V.

Reitze, D. H.

Rosendo-Francisco, P.

S. Vajda, A. Bartelt, E. C. Kaposta, T. Leisner, C. Lupulescu, S. Minemoto, P. Rosendo-Francisco, and L. Wöste, “Feedback optimization of shaped femtosecond laser pulses for controlling the wavepacket dynamics and reactivity of mixed alkaline clusters,” Chem. Phys. 267,231–239 (2001).
[Crossref]

Sauerbrey, R.

M. Hacker, G. Stobrawa, R. Sauerbrey, T. Buckup, M. Motzkus, M. Wildenhain, and A. Gehner, “Micromirror SLM for femtosecond pulse shaping in the ultraviolet,” Appl. Phys. B 76,711–714 (2003).
[Crossref]

Scrinzi, A.

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Selle, R.

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

Seyfried, V.

A. Assion, T. Baumert, M. Bergt, T. Brixner, B. Kiefer, V. Seyfried, M. Strehle, and G. Gerber, “Control of chemical reactions by feedback-optimized phase-shaped femtosecond laser pulses,” Science 282,919–922 (1998).
[Crossref] [PubMed]

Sham, T. K.

W. Eberhardt, T. K. Sham, R. Carr, S. Krummacher, M. Strongin, S. L. Weng, and D. Wesner, “Site-Specific Fragmentation of Small Molecules Following Soft-X-Ray Excitation,” Phys. Rev. Lett. 50,1038–1041 (1983).
[Crossref]

Spielmann, C.

Spitzenpfeil, R.

Stobrawa, G.

M. Hacker, G. Stobrawa, R. Sauerbrey, T. Buckup, M. Motzkus, M. Wildenhain, and A. Gehner, “Micromirror SLM for femtosecond pulse shaping in the ultraviolet,” Appl. Phys. B 76,711–714 (2003).
[Crossref]

Strehle, M.

A. Assion, T. Baumert, M. Bergt, T. Brixner, B. Kiefer, V. Seyfried, M. Strehle, and G. Gerber, “Control of chemical reactions by feedback-optimized phase-shaped femtosecond laser pulses,” Science 282,919–922 (1998).
[Crossref] [PubMed]

Strongin, M.

W. Eberhardt, T. K. Sham, R. Carr, S. Krummacher, M. Strongin, S. L. Weng, and D. Wesner, “Site-Specific Fragmentation of Small Molecules Following Soft-X-Ray Excitation,” Phys. Rev. Lett. 50,1038–1041 (1983).
[Crossref]

Suits, A. G.

D. S. Peterka, M. Ahmed, C. Y. Ng, and A. G. Suits, “Dissociative photoionization dynamics of SF6 by ion imaging with synchrotron undulator radiation,” Chem. Phys. Lett. 312,108–114 (1999).
[Crossref]

Udem, T.

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Uiberacker, M.

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Vajda, S.

S. Vajda, A. Bartelt, E. C. Kaposta, T. Leisner, C. Lupulescu, S. Minemoto, P. Rosendo-Francisco, and L. Wöste, “Feedback optimization of shaped femtosecond laser pulses for controlling the wavepacket dynamics and reactivity of mixed alkaline clusters,” Chem. Phys. 267,231–239 (2001).
[Crossref]

Vaughan, J. C.

Vdovin, G.

R. Bartels, S. Backus, E. Zeek, L. Misoguti, G. Vdovin, I. Christov, M. M. Murnane, and H. C. Kapteyn, “Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays,” Nature 406,164–166 (2000).
[Crossref] [PubMed]

Walter, D.

Warren, W. S.

C. J. Bardeen, V. V. Yakovlev, K. R. Wilson, S. D. Carpenter, P. M. Weber, and W. S. Warren, “Feedback quantum control of molecular electronic population transfer,” Chem. Phys. Lett. 280,151–158 (1997).
[Crossref]

Weber, P. M.

C. J. Bardeen, V. V. Yakovlev, K. R. Wilson, S. D. Carpenter, P. M. Weber, and W. S. Warren, “Feedback quantum control of molecular electronic population transfer,” Chem. Phys. Lett. 280,151–158 (1997).
[Crossref]

Weihe, F.

Weiner, A. M.

Weng, S. L.

W. Eberhardt, T. K. Sham, R. Carr, S. Krummacher, M. Strongin, S. L. Weng, and D. Wesner, “Site-Specific Fragmentation of Small Molecules Following Soft-X-Ray Excitation,” Phys. Rev. Lett. 50,1038–1041 (1983).
[Crossref]

Wesner, D.

W. Eberhardt, T. K. Sham, R. Carr, S. Krummacher, M. Strongin, S. L. Weng, and D. Wesner, “Site-Specific Fragmentation of Small Molecules Following Soft-X-Ray Excitation,” Phys. Rev. Lett. 50,1038–1041 (1983).
[Crossref]

Wildenhain, M.

M. Hacker, G. Stobrawa, R. Sauerbrey, T. Buckup, M. Motzkus, M. Wildenhain, and A. Gehner, “Micromirror SLM for femtosecond pulse shaping in the ultraviolet,” Appl. Phys. B 76,711–714 (2003).
[Crossref]

Wiley, W. C.

W. C. Wiley and I. H. McLaren, “Time-of-Flight Mass Spectrometer with Improved Resolution,” Rev. Sci. Instr. 26,1150–1157 (1955).
[Crossref]

Wilson, K. R.

C. J. Bardeen, V. V. Yakovlev, K. R. Wilson, S. D. Carpenter, P. M. Weber, and W. S. Warren, “Feedback quantum control of molecular electronic population transfer,” Chem. Phys. Lett. 280,151–158 (1997).
[Crossref]

Winterfeldt, C.

Woerner, M.

Wollenhaupt, M.

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

Wöste, L.

S. Vajda, A. Bartelt, E. C. Kaposta, T. Leisner, C. Lupulescu, S. Minemoto, P. Rosendo-Francisco, and L. Wöste, “Feedback optimization of shaped femtosecond laser pulses for controlling the wavepacket dynamics and reactivity of mixed alkaline clusters,” Chem. Phys. 267,231–239 (2001).
[Crossref]

Yakoviev, V. S.

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Yakovlev, V. V.

C. J. Bardeen, V. V. Yakovlev, K. R. Wilson, S. D. Carpenter, P. M. Weber, and W. S. Warren, “Feedback quantum control of molecular electronic population transfer,” Chem. Phys. Lett. 280,151–158 (1997).
[Crossref]

Zeek, E.

R. Bartels, S. Backus, E. Zeek, L. Misoguti, G. Vdovin, I. Christov, M. M. Murnane, and H. C. Kapteyn, “Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays,” Nature 406,164–166 (2000).
[Crossref] [PubMed]

Zeidler, D.

D. Zeidler, T. Hornung, D. Proch, and M. Motzkus, “Adaptive compression of tunable pulses from a non-collinear-type OPA to below 16 fs by feedback-controlled pulse shaping,” Appl. Phys. B 70,S125–S131 (2000).
[Crossref]

Appl. Phys. B (3)

D. Zeidler, T. Hornung, D. Proch, and M. Motzkus, “Adaptive compression of tunable pulses from a non-collinear-type OPA to below 16 fs by feedback-controlled pulse shaping,” Appl. Phys. B 70,S125–S131 (2000).
[Crossref]

M. Hacker, G. Stobrawa, R. Sauerbrey, T. Buckup, M. Motzkus, M. Wildenhain, and A. Gehner, “Micromirror SLM for femtosecond pulse shaping in the ultraviolet,” Appl. Phys. B 76,711–714 (2003).
[Crossref]

T. Pfeifer, D. Walter, C. Winterfeldt, C. Spielmann, and G. Gerber, “Controlling the spectral shape of coherent soft x-rays,” Appl. Phys. B 80,277–280 (2005).
[Crossref]

Chem. Phys. (1)

S. Vajda, A. Bartelt, E. C. Kaposta, T. Leisner, C. Lupulescu, S. Minemoto, P. Rosendo-Francisco, and L. Wöste, “Feedback optimization of shaped femtosecond laser pulses for controlling the wavepacket dynamics and reactivity of mixed alkaline clusters,” Chem. Phys. 267,231–239 (2001).
[Crossref]

Chem. Phys. Lett. (4)

D. S. Peterka, M. Ahmed, C. Y. Ng, and A. G. Suits, “Dissociative photoionization dynamics of SF6 by ion imaging with synchrotron undulator radiation,” Chem. Phys. Lett. 312,108–114 (1999).
[Crossref]

M. Ono and K. Mitsuke, “Anisotropy of fragment ions from SF6 by photoexcitation between 23 and 210 eV,” Chem. Phys. Lett. 366,595–600 (2002).
[Crossref]

M. Ono and K. Mitsuke, “Kinetic energy distribution and anisotropy of fragment ions from SF6 by photoexcita-tion of a sulfur 2p-electron,” Chem. Phys. Lett. 379,248–254 (2003).
[Crossref]

C. J. Bardeen, V. V. Yakovlev, K. R. Wilson, S. D. Carpenter, P. M. Weber, and W. S. Warren, “Feedback quantum control of molecular electronic population transfer,” Chem. Phys. Lett. 280,151–158 (1997).
[Crossref]

J. Vac. Sci. Technol. A (1)

K. Mochiji, K. Lee, C. I. Ma, D. Y. Kim, M. Mahalingam, and D. M. Hanson, “Photodissociation of SF6 Near the F 1s Absorption-Edge,” J. Vac. Sci. Technol. A 12,216–218 (1994).
[Crossref]

Nature (2)

R. Bartels, S. Backus, E. Zeek, L. Misoguti, G. Vdovin, I. Christov, M. M. Murnane, and H. C. Kapteyn, “Shaped-pulse optimization of coherent emission of high-harmonic soft X-rays,” Nature 406,164–166 (2000).
[Crossref] [PubMed]

A. Baltuska, T. Udem, M. Uiberacker, M. Hentschel, E. Goulielmakis, C. Gohle, R. Holzwarth, V. S. Yakoviev, A. Scrinzi, T. W. Hansch, and F. Krausz, “Attosecond control of electronic processes y intense light fields,” Nature 421,611–615 (2003).
[Crossref] [PubMed]

Opt. Express (1)

Opt. Lett. (4)

Phys. Rev. Lett. (5)

T. Brixner, G. Krampert, T. Pfeifer, R. Selle, G. Gerber, M. Wollenhaupt, O. Graefe, C. Horn, D. Liese, and T. Baumert, “Quantum control by ultrafast polarization shaping,” Phys. Rev. Lett. 92,208301 (2004).
[Crossref] [PubMed]

T. Pfeifer, L. Gallmann, M. J. Abel, P. M. Nagel, D. M. Neumark, and S. R. Leone, “Heterodyne mixing of laser fields for temporal gating of high-order harmonic generation,” Phys. Rev. Lett. 97 (2006).
[Crossref] [PubMed]

R. S. Judson and H. Rabitz, “Teaching lasers to control molecules,” Phys. Rev. Lett. 68,1500–1503 (1992).
[Crossref] [PubMed]

W. Eberhardt, T. K. Sham, R. Carr, S. Krummacher, M. Strongin, S. L. Weng, and D. Wesner, “Site-Specific Fragmentation of Small Molecules Following Soft-X-Ray Excitation,” Phys. Rev. Lett. 50,1038–1041 (1983).
[Crossref]

A. Palacios, H. Bachau, and F. Mart´in, “Enhancement and control of H-2 dissociative ionization by femtosecond VUV laser pulses,” Phys. Rev. Lett. 96,143001 (2006).
[Crossref] [PubMed]

Rev. Sci. Instr. (1)

W. C. Wiley and I. H. McLaren, “Time-of-Flight Mass Spectrometer with Improved Resolution,” Rev. Sci. Instr. 26,1150–1157 (1955).
[Crossref]

Science (2)

R. J. Levis, G. M. Menkir, and H. Rabitz, “Selective bond dissociation and rearrangement with optimally tailored, strong-field laser pulses,” Science 292,709–713 (2001).
[Crossref] [PubMed]

A. Assion, T. Baumert, M. Bergt, T. Brixner, B. Kiefer, V. Seyfried, M. Strehle, and G. Gerber, “Control of chemical reactions by feedback-optimized phase-shaped femtosecond laser pulses,” Science 282,919–922 (1998).
[Crossref] [PubMed]

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Figures (5)

Fig. 1.
Fig. 1. Setup for the experiments on adaptive control of photochemistry by high-harmonic spectral engineering. The high-harmonic radiation output from the capillary is used to induce dissociative ionization in SF6 gas. The fragments are detected with a linear time-of-flight mass spectrometer.
Fig. 2.
Fig. 2. Time-of-flight (TOF) cation mass spectra of SF6 after irradiation with high-harmonic light from a capillary. The molecule undergoes fragmentation, where a number of fluorine atoms are released. The parent ion SF+ 6 at a mass of 146 amu is not observed under our experimental conditions. A characteristic distribution of peak heights for the fragments is recorded where SF+ 5 and SF+ 3 are the most abundant species.
Fig. 3.
Fig. 3. Control of the branching ratio of SF6 photofragmentation by shaped soft-x-ray light. The two most dominant fragmentation products SF+ 5 and SF+ 3 as well as the ratio of SF+ 4 versus SF+ 2 were optimized. Both minimization and maximization of product ratios as compared to a reference harmonic spectrum (obtained for the reference setting of our pulse shaper) were achieved.
Fig. 4.
Fig. 4. Soft-x-ray spectra of shaped harmonic emission employed to optimize photofrag-mentation of SF6. Optimal harmonic spectra are shown that maximize (dotted lines) or minimize (dashed lines) the two branching ratios SF+ 5 versus SF+ 3 (a) and SF+ 4 versus SF+ 2 (b). The unmodulated reference soft x-ray spectrum before optimization is also given for comparison (solid lines). The integration time for the spectra was ~1 s.
Fig. 5.
Fig. 5. Time-of-flight mass spectra resulting from the interaction of SF6 with tailored soft x-ray light for the case of maximization and minimization of the SF+ 5 versus SF+ 3 branching ratio. The two mass-spectra are normalized to the integral ion yield (integrated over entire mass peak) of the SF+ 3 peak area to visualize the relative changes on the SF+ 5 peak. The changing fine structure of the peaks are indicative of differences in the fragmentation dynamics. (b) is an enlarged view of (a) in the region of interest.

Equations (2)

Equations on this page are rendered with MathJax. Learn more.

F = y ( SF 5 + ) y ( SF 3 + )
F = y ( SF 4 + ) y ( SF 2 + ) .

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