Abstract

We discuss a modified femtosecond pulse shaper that uses microlens arrays to convert the continuous band of frequencies normally obtained in the mask plane of a pulse shaper into a series of discrete spots. Our experiments demonstrate that this modification can improve pulse-shaping quality when modulator arrays with large interpixel gaps are used for Fourier-plane filtering.

© 1996 Optical Society of America

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References

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1995 (3)

1994 (1)

1993 (2)

1992 (2)

A. M. Weiner, D. E. Leaird, D. H. Reitze, E. G. PaekIEEE J. Quantum Electron. 28, 2251 (1992).
[CrossRef]

A. M. Weiner, D. E. Leaird, J. S. Patel, J. R. WullertIEEE J. Quantum Electron. 28, 908 (1992).
[CrossRef]

1990 (2)

K. Ema, F. ShimizuJpn. J. Appl. Phys. 29, 631 (1990).
[CrossRef]

A. G. KostenbauderIEEE J. Quantum Electron. 26, 1148 (1990).
[CrossRef]

1988 (1)

1985 (1)

Chu, K. C.

De Souza, E. A.

Dienes, A.

Ema, K.

K. Ema, F. ShimizuJpn. J. Appl. Phys. 29, 631 (1990).
[CrossRef]

Fork, R. L.

Gordon, J. P.

Goswami, D.

Heritage, J. P.

Hillegas, C. W.

Kirschner, E. M.

Knox, W. H.

Kostenbauder, A. G.

A. G. KostenbauderIEEE J. Quantum Electron. 26, 1148 (1990).
[CrossRef]

Kwong, K. F.

Leaird, D. E.

A. M. Weiner, D. E. Leaird, D. H. Reitze, E. G. PaekIEEE J. Quantum Electron. 28, 2251 (1992).
[CrossRef]

A. M. Weiner, D. E. Leaird, J. S. Patel, J. R. WullertIEEE J. Quantum Electron. 28, 908 (1992).
[CrossRef]

Miller, D. A. B.

Morrison, R. L.

Nelson, K. A.

Nuss, M. C.

Paek, E. G.

A. M. Weiner, D. E. Leaird, D. H. Reitze, E. G. PaekIEEE J. Quantum Electron. 28, 2251 (1992).
[CrossRef]

Patel, J. S.

A. M. Weiner, D. E. Leaird, J. S. Patel, J. R. WullertIEEE J. Quantum Electron. 28, 908 (1992).
[CrossRef]

Reitze, D. H.

A. M. Weiner, D. E. Leaird, D. H. Reitze, E. G. PaekIEEE J. Quantum Electron. 28, 2251 (1992).
[CrossRef]

Shimizu, F.

K. Ema, F. ShimizuJpn. J. Appl. Phys. 29, 631 (1990).
[CrossRef]

Strickland, D.

Tull, J. X.

Valdmanis, J. A.

Warren, W. S.

Wefers, M. M.

Weiner, A. M.

A. M. WeinerProg. Quantum Electron. 19, 161 (1995).
[CrossRef]

A. M. Weiner, D. E. Leaird, D. H. Reitze, E. G. PaekIEEE J. Quantum Electron. 28, 2251 (1992).
[CrossRef]

A. M. Weiner, D. E. Leaird, J. S. Patel, J. R. WullertIEEE J. Quantum Electron. 28, 908 (1992).
[CrossRef]

A. M. Weiner, J. P. Heritage, E. M. KirschnerJ. Opt. Soc. Am. B 5, 1563 (1988).
[CrossRef]

Wullert, J. R.

A. M. Weiner, D. E. Leaird, J. S. Patel, J. R. WullertIEEE J. Quantum Electron. 28, 908 (1992).
[CrossRef]

Yankelevich, D.

IEEE J. Quantum Electron. (3)

A. M. Weiner, D. E. Leaird, D. H. Reitze, E. G. PaekIEEE J. Quantum Electron. 28, 2251 (1992).
[CrossRef]

A. M. Weiner, D. E. Leaird, J. S. Patel, J. R. WullertIEEE J. Quantum Electron. 28, 908 (1992).
[CrossRef]

A. G. KostenbauderIEEE J. Quantum Electron. 26, 1148 (1990).
[CrossRef]

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

Jpn. J. Appl. Phys. (1)

K. Ema, F. ShimizuJpn. J. Appl. Phys. 29, 631 (1990).
[CrossRef]

Opt. Lett. (6)

Prog. Quantum Electron. (1)

A. M. WeinerProg. Quantum Electron. 19, 161 (1995).
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

Schematic of a modified pulse shaper that uses microlens arrays. The microlens arrays are separated by twice the microlens focal length (f) and the grating-to-bulk-lens spacing is the bulk-lens focal length (F).

Fig. 2
Fig. 2

Cross correlations of the output pulses emerging from the modified pulse shaper without any filtering of the frequency spectrum.

Fig. 3
Fig. 3

Cross correlations of the output pulses from the (a) conventional and (b) modified pulse shapers. The waveforms produced with a mask that has (i) 90-μm pixels with a 10-μm gap, (ii) 80-μm pixels/20-μm gap, (iii) 70-μm pixels/30 μm gap, and (iv) 50-μm pixels/50-μm gap are shown.

Equations (1)

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Δ f = cd cos θ d λ 2 F Δ x ,

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