Abstract

Clean 7.5 fs pulses at 400 nm with less than 3% energy in tiny satellite pulses were obtained by spectral broadening in a hollow fiber and dispersive compensating using a prism pair together with a deformable mirror system. As an example, this stable and clean pulse was used to study the ultrafast pump-probe spectroscopy of photoactive yellow protein. Moreover, the self-diffraction signal shows a smoothed and broadened laser spectrum and is expected to have a further clean laser pulse, which makes it more useful in the ultrafast pump-probe spectroscopy in the future.

© 2010 OSA

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References

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  1. A. H. Zewail, “Femtochemistry: Atomic-Scale Dynamics of the Chemical Bond,” J. Phys. Chem. A 104(24), 5660–5694 (2000).
    [Crossref]
  2. T. Kobayashi, T. Saito, and H. Ohtani, “Real-time spectroscopy of transition states in bacteriorhodopsin during retinal isomerization,” Nature 414(6863), 531–534 (2001).
    [Crossref] [PubMed]
  3. D. Polli, M. R. Antognazza, D. Brida, G. Lanzani, G. Cerullo, and S. De Silvestri, “Broadband pump-probe spectroscopy with sub-10-fs resolution for probing ultrafast internal conversion and coherent phonons in carotenoids,” Chem. Phys. 350(1-3), 45–55 (2008).
    [Crossref]
  4. O. Dühr, E. T. J. Nibbering, G. Korn, G. Tempea, and F. Krausz, “Generation of intense 8-fs pulses at 400 nm,” Opt. Lett. 24(1), 34–36 (1999).
    [Crossref]
  5. J. Liu, Y. Kida, T. Teramoto, and T. Kobayashi, “Generation of stable sub-10 fs pulses at 400 nm in a hollow fiber for UV pump-probe experiment,” Opt. Express 18(5), 4664–4672 (2010).
    [Crossref] [PubMed]
  6. X. Zhou, T. Kanai, D. Yoshitomi, T. Sekikawa, and S. Watanabe, “Generation of high average power, 7.5-fs blue pulses at 5 kHz by adaptive phase control,” Appl. Phys. B 81(1), 13–17 (2005).
    [Crossref]
  7. M. Nisoli, S. De Silvestri, O. Svelto, R. Szipöcs, K. Ferencz, Ch. Spielmann, S. Sartania, and F. Krausz, “Compression of high-energy laser pulses below 5 fs,” Opt. Lett. 22(8), 522–524 (1997).
    [Crossref] [PubMed]
  8. T. Kanai, A. Suda, S. Bohman, M. Kaku, S. Yamaguchi, and K. Midorikawa, “Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation,” Appl. Phys. Lett. 92(6), 061106 (2008).
    [Crossref]
  9. R. Trebino, Frequency-Resolved Optical Grating: The Measurement of Ultrashort Laser Pulses, (Kluwer Academic Publishers, 2000) pp. 237–250.
  10. A. Baltuška, T. Fuji, and T. Kobayashi, “Visible pulse compression to 4 fs by optical parametric amplification and programmable dispersion control,” Opt. Lett. 27(5), 306–308 (2002).
    [Crossref]
  11. J. Liu, K. Okamura, Y. Kida, and T. Kobayashi, “Temporal contrast enhancement of femtosecond pulses by a self-diffraction process in a bulk Kerr medium,” (accepted).
  12. A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
    [Crossref]
  13. H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno, S. Yamauchi, N. Hamada, M. Kumauchi, and F. Tokunaga, “Low-frequency vibration and their role in ultrafast photoisomerization reaction dynamics of photoactive yellow protein,” J. Phys. Chem. B 108(8), 2686–2698 (2004).
    [Crossref]

2010 (1)

2008 (2)

T. Kanai, A. Suda, S. Bohman, M. Kaku, S. Yamaguchi, and K. Midorikawa, “Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation,” Appl. Phys. Lett. 92(6), 061106 (2008).
[Crossref]

D. Polli, M. R. Antognazza, D. Brida, G. Lanzani, G. Cerullo, and S. De Silvestri, “Broadband pump-probe spectroscopy with sub-10-fs resolution for probing ultrafast internal conversion and coherent phonons in carotenoids,” Chem. Phys. 350(1-3), 45–55 (2008).
[Crossref]

2007 (1)

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

2005 (1)

X. Zhou, T. Kanai, D. Yoshitomi, T. Sekikawa, and S. Watanabe, “Generation of high average power, 7.5-fs blue pulses at 5 kHz by adaptive phase control,” Appl. Phys. B 81(1), 13–17 (2005).
[Crossref]

2004 (1)

H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno, S. Yamauchi, N. Hamada, M. Kumauchi, and F. Tokunaga, “Low-frequency vibration and their role in ultrafast photoisomerization reaction dynamics of photoactive yellow protein,” J. Phys. Chem. B 108(8), 2686–2698 (2004).
[Crossref]

2002 (1)

2001 (1)

T. Kobayashi, T. Saito, and H. Ohtani, “Real-time spectroscopy of transition states in bacteriorhodopsin during retinal isomerization,” Nature 414(6863), 531–534 (2001).
[Crossref] [PubMed]

2000 (1)

A. H. Zewail, “Femtochemistry: Atomic-Scale Dynamics of the Chemical Bond,” J. Phys. Chem. A 104(24), 5660–5694 (2000).
[Crossref]

1999 (1)

1997 (1)

Albert, O.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Antognazza, M. R.

D. Polli, M. R. Antognazza, D. Brida, G. Lanzani, G. Cerullo, and S. De Silvestri, “Broadband pump-probe spectroscopy with sub-10-fs resolution for probing ultrafast internal conversion and coherent phonons in carotenoids,” Chem. Phys. 350(1-3), 45–55 (2008).
[Crossref]

Antonucci, L.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Baltuška, A.

Bohman, S.

T. Kanai, A. Suda, S. Bohman, M. Kaku, S. Yamaguchi, and K. Midorikawa, “Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation,” Appl. Phys. Lett. 92(6), 061106 (2008).
[Crossref]

Boschetto, D.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Brida, D.

D. Polli, M. R. Antognazza, D. Brida, G. Lanzani, G. Cerullo, and S. De Silvestri, “Broadband pump-probe spectroscopy with sub-10-fs resolution for probing ultrafast internal conversion and coherent phonons in carotenoids,” Chem. Phys. 350(1-3), 45–55 (2008).
[Crossref]

Canova, L.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Cerullo, G.

D. Polli, M. R. Antognazza, D. Brida, G. Lanzani, G. Cerullo, and S. De Silvestri, “Broadband pump-probe spectroscopy with sub-10-fs resolution for probing ultrafast internal conversion and coherent phonons in carotenoids,” Chem. Phys. 350(1-3), 45–55 (2008).
[Crossref]

Cha, Y.-H.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Chaudet, P.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Chériaux, G.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Chosrowjan, H.

H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno, S. Yamauchi, N. Hamada, M. Kumauchi, and F. Tokunaga, “Low-frequency vibration and their role in ultrafast photoisomerization reaction dynamics of photoactive yellow protein,” J. Phys. Chem. B 108(8), 2686–2698 (2004).
[Crossref]

De Silvestri, S.

D. Polli, M. R. Antognazza, D. Brida, G. Lanzani, G. Cerullo, and S. De Silvestri, “Broadband pump-probe spectroscopy with sub-10-fs resolution for probing ultrafast internal conversion and coherent phonons in carotenoids,” Chem. Phys. 350(1-3), 45–55 (2008).
[Crossref]

M. Nisoli, S. De Silvestri, O. Svelto, R. Szipöcs, K. Ferencz, Ch. Spielmann, S. Sartania, and F. Krausz, “Compression of high-energy laser pulses below 5 fs,” Opt. Lett. 22(8), 522–524 (1997).
[Crossref] [PubMed]

Dühr, O.

Etchepare, J.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Ferencz, K.

Fuji, T.

Hamada, N.

H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno, S. Yamauchi, N. Hamada, M. Kumauchi, and F. Tokunaga, “Low-frequency vibration and their role in ultrafast photoisomerization reaction dynamics of photoactive yellow protein,” J. Phys. Chem. B 108(8), 2686–2698 (2004).
[Crossref]

Jullien, A.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Kaku, M.

T. Kanai, A. Suda, S. Bohman, M. Kaku, S. Yamaguchi, and K. Midorikawa, “Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation,” Appl. Phys. Lett. 92(6), 061106 (2008).
[Crossref]

Kanai, T.

T. Kanai, A. Suda, S. Bohman, M. Kaku, S. Yamaguchi, and K. Midorikawa, “Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation,” Appl. Phys. Lett. 92(6), 061106 (2008).
[Crossref]

X. Zhou, T. Kanai, D. Yoshitomi, T. Sekikawa, and S. Watanabe, “Generation of high average power, 7.5-fs blue pulses at 5 kHz by adaptive phase control,” Appl. Phys. B 81(1), 13–17 (2005).
[Crossref]

Kida, Y.

Kobayashi, T.

Korn, G.

Kourtev, S.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Krausz, F.

Kumauchi, M.

H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno, S. Yamauchi, N. Hamada, M. Kumauchi, and F. Tokunaga, “Low-frequency vibration and their role in ultrafast photoisomerization reaction dynamics of photoactive yellow protein,” J. Phys. Chem. B 108(8), 2686–2698 (2004).
[Crossref]

Lanzani, G.

D. Polli, M. R. Antognazza, D. Brida, G. Lanzani, G. Cerullo, and S. De Silvestri, “Broadband pump-probe spectroscopy with sub-10-fs resolution for probing ultrafast internal conversion and coherent phonons in carotenoids,” Chem. Phys. 350(1-3), 45–55 (2008).
[Crossref]

Liu, J.

Mataga, N.

H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno, S. Yamauchi, N. Hamada, M. Kumauchi, and F. Tokunaga, “Low-frequency vibration and their role in ultrafast photoisomerization reaction dynamics of photoactive yellow protein,” J. Phys. Chem. B 108(8), 2686–2698 (2004).
[Crossref]

Midorikawa, K.

T. Kanai, A. Suda, S. Bohman, M. Kaku, S. Yamaguchi, and K. Midorikawa, “Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation,” Appl. Phys. Lett. 92(6), 061106 (2008).
[Crossref]

Minkovski, N.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Nibbering, E. T. J.

Nisoli, M.

Ohtani, H.

T. Kobayashi, T. Saito, and H. Ohtani, “Real-time spectroscopy of transition states in bacteriorhodopsin during retinal isomerization,” Nature 414(6863), 531–534 (2001).
[Crossref] [PubMed]

Polli, D.

D. Polli, M. R. Antognazza, D. Brida, G. Lanzani, G. Cerullo, and S. De Silvestri, “Broadband pump-probe spectroscopy with sub-10-fs resolution for probing ultrafast internal conversion and coherent phonons in carotenoids,” Chem. Phys. 350(1-3), 45–55 (2008).
[Crossref]

Rousseau, J. P.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Saito, T.

T. Kobayashi, T. Saito, and H. Ohtani, “Real-time spectroscopy of transition states in bacteriorhodopsin during retinal isomerization,” Nature 414(6863), 531–534 (2001).
[Crossref] [PubMed]

Saltiel, S. M.

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Sartania, S.

Sekikawa, T.

X. Zhou, T. Kanai, D. Yoshitomi, T. Sekikawa, and S. Watanabe, “Generation of high average power, 7.5-fs blue pulses at 5 kHz by adaptive phase control,” Appl. Phys. B 81(1), 13–17 (2005).
[Crossref]

Spielmann, Ch.

Suda, A.

T. Kanai, A. Suda, S. Bohman, M. Kaku, S. Yamaguchi, and K. Midorikawa, “Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation,” Appl. Phys. Lett. 92(6), 061106 (2008).
[Crossref]

Svelto, O.

Szipöcs, R.

Taniguchi, S.

H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno, S. Yamauchi, N. Hamada, M. Kumauchi, and F. Tokunaga, “Low-frequency vibration and their role in ultrafast photoisomerization reaction dynamics of photoactive yellow protein,” J. Phys. Chem. B 108(8), 2686–2698 (2004).
[Crossref]

Tempea, G.

Teramoto, T.

Tokunaga, F.

H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno, S. Yamauchi, N. Hamada, M. Kumauchi, and F. Tokunaga, “Low-frequency vibration and their role in ultrafast photoisomerization reaction dynamics of photoactive yellow protein,” J. Phys. Chem. B 108(8), 2686–2698 (2004).
[Crossref]

Unno, M.

H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno, S. Yamauchi, N. Hamada, M. Kumauchi, and F. Tokunaga, “Low-frequency vibration and their role in ultrafast photoisomerization reaction dynamics of photoactive yellow protein,” J. Phys. Chem. B 108(8), 2686–2698 (2004).
[Crossref]

Watanabe, S.

X. Zhou, T. Kanai, D. Yoshitomi, T. Sekikawa, and S. Watanabe, “Generation of high average power, 7.5-fs blue pulses at 5 kHz by adaptive phase control,” Appl. Phys. B 81(1), 13–17 (2005).
[Crossref]

Yamaguchi, S.

T. Kanai, A. Suda, S. Bohman, M. Kaku, S. Yamaguchi, and K. Midorikawa, “Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation,” Appl. Phys. Lett. 92(6), 061106 (2008).
[Crossref]

Yamauchi, S.

H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno, S. Yamauchi, N. Hamada, M. Kumauchi, and F. Tokunaga, “Low-frequency vibration and their role in ultrafast photoisomerization reaction dynamics of photoactive yellow protein,” J. Phys. Chem. B 108(8), 2686–2698 (2004).
[Crossref]

Yoshitomi, D.

X. Zhou, T. Kanai, D. Yoshitomi, T. Sekikawa, and S. Watanabe, “Generation of high average power, 7.5-fs blue pulses at 5 kHz by adaptive phase control,” Appl. Phys. B 81(1), 13–17 (2005).
[Crossref]

Zewail, A. H.

A. H. Zewail, “Femtochemistry: Atomic-Scale Dynamics of the Chemical Bond,” J. Phys. Chem. A 104(24), 5660–5694 (2000).
[Crossref]

Zhou, X.

X. Zhou, T. Kanai, D. Yoshitomi, T. Sekikawa, and S. Watanabe, “Generation of high average power, 7.5-fs blue pulses at 5 kHz by adaptive phase control,” Appl. Phys. B 81(1), 13–17 (2005).
[Crossref]

Appl. Phys. B (2)

X. Zhou, T. Kanai, D. Yoshitomi, T. Sekikawa, and S. Watanabe, “Generation of high average power, 7.5-fs blue pulses at 5 kHz by adaptive phase control,” Appl. Phys. B 81(1), 13–17 (2005).
[Crossref]

A. Jullien, L. Canova, O. Albert, D. Boschetto, L. Antonucci, Y.-H. Cha, J. P. Rousseau, P. Chaudet, G. Chériaux, J. Etchepare, S. Kourtev, N. Minkovski, and S. M. Saltiel, “Spectral broadening and pulse duration reduction during cross-polarized wave generation: influence of the quadratic spectral phase,” Appl. Phys. B 87(4), 595–601 (2007).
[Crossref]

Appl. Phys. Lett. (1)

T. Kanai, A. Suda, S. Bohman, M. Kaku, S. Yamaguchi, and K. Midorikawa, “Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation,” Appl. Phys. Lett. 92(6), 061106 (2008).
[Crossref]

Chem. Phys. (1)

D. Polli, M. R. Antognazza, D. Brida, G. Lanzani, G. Cerullo, and S. De Silvestri, “Broadband pump-probe spectroscopy with sub-10-fs resolution for probing ultrafast internal conversion and coherent phonons in carotenoids,” Chem. Phys. 350(1-3), 45–55 (2008).
[Crossref]

J. Phys. Chem. A (1)

A. H. Zewail, “Femtochemistry: Atomic-Scale Dynamics of the Chemical Bond,” J. Phys. Chem. A 104(24), 5660–5694 (2000).
[Crossref]

J. Phys. Chem. B (1)

H. Chosrowjan, S. Taniguchi, N. Mataga, M. Unno, S. Yamauchi, N. Hamada, M. Kumauchi, and F. Tokunaga, “Low-frequency vibration and their role in ultrafast photoisomerization reaction dynamics of photoactive yellow protein,” J. Phys. Chem. B 108(8), 2686–2698 (2004).
[Crossref]

Nature (1)

T. Kobayashi, T. Saito, and H. Ohtani, “Real-time spectroscopy of transition states in bacteriorhodopsin during retinal isomerization,” Nature 414(6863), 531–534 (2001).
[Crossref] [PubMed]

Opt. Express (1)

Opt. Lett. (3)

Other (2)

R. Trebino, Frequency-Resolved Optical Grating: The Measurement of Ultrashort Laser Pulses, (Kluwer Academic Publishers, 2000) pp. 237–250.

J. Liu, K. Okamura, Y. Kida, and T. Kobayashi, “Temporal contrast enhancement of femtosecond pulses by a self-diffraction process in a bulk Kerr medium,” (accepted).

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Figures (3)

Fig. 1
Fig. 1

(Color online) (a) Setup of the dispersive compensating system. PR1, PR2: Brewster-angle cut fused silica prisms; G: Aluminum-coating grating (1200 groove/mm, blaze wavelength and angle: 400 nm, 13.88°); R: Aluminum-coating concave mirror, R = - 400 mm; FM: deformable mirror. (b) Spectra of the incident laser pulse (olive dash-dot-dot line), the retrieved laser pulse (black-solid line), the compressed laser pulse (red-dash line), and the first-order SD signal (magenta-dash-dot line). The retrieved spectral phase is shown as blue-dot line. (c) The retrieved temporal intensity profile (black-solid line) and temporal phase (blue-dash line) of the compressed pulse. The red-dot line and magenta-dash-dot line show the transform-limited pulse of the compressed laser pulse and its first-order SD signal, respectively. (d) The measured two-dimensional SD-FROG trace.

Fig. 2
Fig. 2

(Color online) The stability of the spectral intensity (a) and the spectral profile (b) of the first-order SD signal in half an hour.

Fig. 3
Fig. 3

(Color online) (a) The total absorbance dA vs. the pump-probe delay time in the spectral range from 374 nm to 399 nm. The inset is the enlarged curves of dA between −20 and 20 fs (red-solid curve) and the SD autocorrelation curve (blue-dashed curve); (b)The two-dimensional FT amplitude spectra of the normalized difference transmittance spectraΔT/T at the probe spectral range from 358 to 438 nm.

Metrics