Abstract

The technique of self-induced plasma shuttering can be used to suppress prepulse energy from an ultrashort pulse. If a femtosecond pulse is incident upon a transparent target, the leading edge passes through while the peak reflects owing to ionization breakdown at the surface. We describe a fluid jet, enclosed in a vacuum chamber, that allows this technique to be used at high repetition rates. The jet has excellent stability and a fast (~500 μs) recovery time. At normal incidence, we demonstrate a reflection efficiency of 70% with a prepulse-to-main-pulse energy suppression ratio of >10, while at Brewster incidence we measure a reflection efficiency of 38% with a suppression ratio of nearly 400.

© 1993 Optical Society of America

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References

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1992 (1)

1991 (6)

1990 (1)

W. E. White, H. Nathel, W. Tulloch, Bull. Am. Phys. Soc. 35, 1942 (1990).

1989 (1)

1986 (1)

1974 (1)

S. I. Anisimov, B. L. Kapeliovich, T. L. Perel’man, Sov. Phys. JETP 39, 375 (1974).

Anisimov, S. I.

S. I. Anisimov, B. L. Kapeliovich, T. L. Perel’man, Sov. Phys. JETP 39, 375 (1974).

Barty, C. P. J.

Beaudoin, Y.

Blair, R. J.

Book, D. L.

D. L. Book, NRL Plasma Formulary (Naval Research Laboratory, Washington, D.C., 1983).

Boyer, K.

Chien, C. Y.

Coe, J. S.

Falcone, R. W.

Freeman, R. R.

Gordon, S.

Hamster, H.

Johann, U.

Kapeliovich, B. L.

S. I. Anisimov, B. L. Kapeliovich, T. L. Perel’man, Sov. Phys. JETP 39, 375 (1974).

Kapteyn, H. C.

Kato, Y.

Kmetec, J. D.

Luk, T. S.

Macklin, J.J.

McIntyre, I. A.

McPherson, A.

Milchberg, H. M.

Mourou, G.

Murnane, M.

M. Murnane, Ph.D. dissertation (University of California at Berkeley, Berkeley, California, 1989).

Murnane, M. M.

M. M. Murnane, H. C. Kapteyn, M. D. Rosen, R. W. Falcone, Science 251, 531 (1991).
[CrossRef] [PubMed]

H. C. Kapteyn, M. M. Murnane, A. Szöke, R. W. Falcone, Opt. Lett. 16, 490 (1991).
[CrossRef] [PubMed]

Nathel, H.

Perel’man, T. L.

S. I. Anisimov, B. L. Kapeliovich, T. L. Perel’man, Sov. Phys. JETP 39, 375 (1974).

Rhodes, C. K.

Rosen, M. D.

M. M. Murnane, H. C. Kapteyn, M. D. Rosen, R. W. Falcone, Science 251, 531 (1991).
[CrossRef] [PubMed]

Salin, F.

Schwarzenbach, A. P.

Shiraga, H.

Squier, J.

Sullivan, A.

Szöke, A.

Tapié, J. L.

Tulloch, W.

W. E. White, H. Nathel, W. Tulloch, Bull. Am. Phys. Soc. 35, 1942 (1990).

Vaillancourt, G.

White, W.

White, W. E.

W. E. White, H. Nathel, W. Tulloch, Bull. Am. Phys. Soc. 35, 1942 (1990).

Yamakawa, K.

Young, J. F.

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Figures (3)

Fig. 1
Fig. 1

Schematic diagram of the self-induced shuttering apparatus.

Fig. 2
Fig. 2

Oscilloscope traces showing the incoming 2-mJ [curve (a)] and the outgoing pulse [curve (b)] with the ASE prepulse removed.

Fig. 3
Fig. 3

Reflectivity of focused light (using a 10-cm lens) reflected from the jet at Brewster’s angle [trace (a)] and at normal incidence [trace (b)] as a function of incident energy.

Tables (1)

Tables Icon

Table 1 Observed Reflectivity and Contrast Enhancement Factor for a 2.5-mJ, 140-fs Pulse as a Function of Angle of Incidence, Focal Spot, and Polarizationa

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