Abstract

A direct measurement is presented that quantifies prepulse reduction in an intense, ultrashort pulse on reflection from a high-density plasma created from a SiO2 target at Brewster’s angle. The contrast between the intense ultrashort pulse and prepulse energy was improved by a factor of >625. Pulse-width reduction, spectral broadening, and spatial filtering are also observed in the reflected pulse.

© 1994 Optical Society of America

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References

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1994 (1)

1993 (2)

1992 (1)

1991 (4)

1990 (3)

H. M. Milchberg, R. R. Freeman, Phys. Rev. A 41, 2211 (1990).
[Crossref] [PubMed]

M. Ferray, L. A. Lompre, O. Gobert, A. L’Huillier, G. Mainfray, C. Manus, A. Sanchez, A. S. Gomes, Opt. Commun. 75, 278 (1990).
[Crossref]

M. D. Perry, F. G. Patterson, J. Weston, Opt. Lett. 15, 381 (1990).
[Crossref] [PubMed]

1989 (1)

M. M. Murnane, H. C. Kapteyn, R. W. Falcone, Phys. Rev. Lett. 62, 155 (1989).
[Crossref] [PubMed]

1977 (1)

1965 (1)

L. V. Keldysh, Sov. Phys. JETP 20, 1307 (1965).

Augst, S.

Backus, S.

Barty, C. P. J.

Chang, Y. H.

Chen, H.

Falcone, R. W.

Ferray, M.

M. Ferray, L. A. Lompre, O. Gobert, A. L’Huillier, G. Mainfray, C. Manus, A. Sanchez, A. S. Gomes, Opt. Commun. 75, 278 (1990).
[Crossref]

Freeman, R. R.

H. M. Milchberg, R. R. Freeman, Phys. Rev. A 41, 2211 (1990).
[Crossref] [PubMed]

Gobert, O.

M. Ferray, L. A. Lompre, O. Gobert, A. L’Huillier, G. Mainfray, C. Manus, A. Sanchez, A. S. Gomes, Opt. Commun. 75, 278 (1990).
[Crossref]

Gold, D. M.

S. Backus, H. C. Kapteyn, M. M. Murnane, D. M. Gold, H. Nathel, W. White, Opt. Lett. 18, 134 (1993).
[Crossref] [PubMed]

W. E. White, H. Nathel, W. Tulloch, D. M. Gold, “A compact laser system for producing sub-100fs laser pulses with millijoule energies,” in Division of Plasma Physics Annual Meeting (American Physical Society, New York, 1990).

Goldberg, K. A.

K. A. Goldberg, “Prepulse energy suppression of ultrashort laser pulses using second harmonic generation in nonlinear media,” M.S. thesis (University of California, Berkeley, Berkeley, Calif., 1992).

Gomes, A. S.

M. Ferray, L. A. Lompre, O. Gobert, A. L’Huillier, G. Mainfray, C. Manus, A. Sanchez, A. S. Gomes, Opt. Commun. 75, 278 (1990).
[Crossref]

Kapteyn, H. C.

Kato, Y.

Keldysh, L. V.

L. V. Keldysh, Sov. Phys. JETP 20, 1307 (1965).

L’Huillier, A.

M. Ferray, L. A. Lompre, O. Gobert, A. L’Huillier, G. Mainfray, C. Manus, A. Sanchez, A. S. Gomes, Opt. Commun. 75, 278 (1990).
[Crossref]

Lemoff, B. E.

Lompre, L. A.

M. Ferray, L. A. Lompre, O. Gobert, A. L’Huillier, G. Mainfray, C. Manus, A. Sanchez, A. S. Gomes, Opt. Commun. 75, 278 (1990).
[Crossref]

Mainfray, G.

M. Ferray, L. A. Lompre, O. Gobert, A. L’Huillier, G. Mainfray, C. Manus, A. Sanchez, A. S. Gomes, Opt. Commun. 75, 278 (1990).
[Crossref]

Manus, C.

M. Ferray, L. A. Lompre, O. Gobert, A. L’Huillier, G. Mainfray, C. Manus, A. Sanchez, A. S. Gomes, Opt. Commun. 75, 278 (1990).
[Crossref]

Meyerhofer, D. D.

Milchberg, H. M.

H. M. Milchberg, R. R. Freeman, Phys. Rev. A 41, 2211 (1990).
[Crossref] [PubMed]

Moncur, N. K.

Mourou, G.

Murnane, M. M.

Nathel, H.

S. Backus, H. C. Kapteyn, M. M. Murnane, D. M. Gold, H. Nathel, W. White, Opt. Lett. 18, 134 (1993).
[Crossref] [PubMed]

W. E. White, H. Nathel, W. Tulloch, D. M. Gold, “A compact laser system for producing sub-100fs laser pulses with millijoule energies,” in Division of Plasma Physics Annual Meeting (American Physical Society, New York, 1990).

Patterson, F. G.

Peatross, J.

Perry, M. D.

Sanchez, A.

M. Ferray, L. A. Lompre, O. Gobert, A. L’Huillier, G. Mainfray, C. Manus, A. Sanchez, A. S. Gomes, Opt. Commun. 75, 278 (1990).
[Crossref]

Shiraga, H.

Sullivan, A.

Szoke, A.

Tapie, J. L.

Tulloch, W.

W. E. White, H. Nathel, W. Tulloch, D. M. Gold, “A compact laser system for producing sub-100fs laser pulses with millijoule energies,” in Division of Plasma Physics Annual Meeting (American Physical Society, New York, 1990).

Uchida, S.

Weston, J.

White, W.

White, W. E.

A. Sullivan, W. E. White, Opt. Lett. 19, 1544 (1994).
[Crossref] [PubMed]

W. E. White, H. Nathel, W. Tulloch, D. M. Gold, “A compact laser system for producing sub-100fs laser pulses with millijoule energies,” in Division of Plasma Physics Annual Meeting (American Physical Society, New York, 1990).

Yamakawa, K.

Zigler, A.

Appl. Opt. (1)

J. Opt. Soc. Am. B (1)

Opt. Commun. (1)

M. Ferray, L. A. Lompre, O. Gobert, A. L’Huillier, G. Mainfray, C. Manus, A. Sanchez, A. S. Gomes, Opt. Commun. 75, 278 (1990).
[Crossref]

Opt. Lett. (8)

Phys. Rev. A (1)

H. M. Milchberg, R. R. Freeman, Phys. Rev. A 41, 2211 (1990).
[Crossref] [PubMed]

Phys. Rev. Lett. (1)

M. M. Murnane, H. C. Kapteyn, R. W. Falcone, Phys. Rev. Lett. 62, 155 (1989).
[Crossref] [PubMed]

Sov. Phys. JETP (1)

L. V. Keldysh, Sov. Phys. JETP 20, 1307 (1965).

Other (3)

W. E. White, H. Nathel, W. Tulloch, D. M. Gold, “A compact laser system for producing sub-100fs laser pulses with millijoule energies,” in Division of Plasma Physics Annual Meeting (American Physical Society, New York, 1990).

S. L. Chin, P. Lambropoulos, Multiphoton Ionization of Atoms (Academic, New York, 1984), Chaps. 2 and 3, pp. 7–63.

K. A. Goldberg, “Prepulse energy suppression of ultrashort laser pulses using second harmonic generation in nonlinear media,” M.S. thesis (University of California, Berkeley, Berkeley, Calif., 1992).

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Figures (4)

Fig. 1
Fig. 1

The plasma shutter improves the contrast ratio by passing the low-intensity prepulse and reflecting the high-intensity, femtosecond pulse.

Fig. 2
Fig. 2

High-dynamic-range autocorrelation showing that the plasma shutter prepulse suppression at Brewster’s angle improves the contrast ratio by a factor of >625.

Fig. 3
Fig. 3

Incident and reflected spectra. Spectral broadening is associated with the observed 7–10% pulse-width reduction on reflection.

Fig. 4
Fig. 4

(a) Incident and (b) reflected pulse profiles. Reflective spatial filtering smooths the beam profile.

Equations (3)

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n c = m e ω L 2 / 4 π e 2 = 1 . 1 × 10 21 ( 1 μ m / λ L 2 ) cm 3 ,
υ = c s = ( Z T e / M i ) 1 / 2 10 7 cm / s = 0 . 1 nm / fs ,
c s τ l < 2 R focal spot ,

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