Abstract

A major technical difficulty in comparing picosecond experiments with nanosecond experiments is to maintain beam overlap for long optical delay lines. We describe an active feedback system for an optical delay line that maintains the beam position to within 25 μm before the focusing lens and to within less than ~2 μm in the focal region within the sample.

© 1987 Optical Society of America

Prism-pair dispersive delay lines in optical pulse compression

J. D. Kafka and T. Baer
Opt. Lett. 12(6) 401-403 (1987)

Method for measuring the spot size of a laser beam using a boundary-diffraction wave

S. Kimura and C. Munakata
Opt. Lett. 12(8) 552-554 (1987)

Optical bistability using a Fabry–Perot semiconductor-laser amplifier with two holding beams

Hitoshi Kawaguchi, Hiroyuki Tani, and Kyo Inoue
Opt. Lett. 12(7) 513-515 (1987)

Laser spectroscopy using beam-overlap modulation

T. P. Duffey, D. Kammen, A. L. Schawlow, S. Svanberg, H.-R. Xia, G.-G. Xiao, and G.-Y. Yan
Opt. Lett. 10(12) 597-599 (1985)

Phase locking two beams by means of seeded Brillouin scattering

Thomas R. Loree, David E. Watkins, Tamara M. Johnson, Norman A. Kurnit, and Robert A. Fisher
Opt. Lett. 12(3) 178-180 (1987)