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Amplification of femtosecond pulses in Ti:Al2O3 using an injection-seeded laser

M. J. LaGasse, R. W. Schoenlein, J. G. Fujimoto, and P. A. Schulz

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Abstract

A 440-fsec, 0.1-pJ pulse from a dye laser is injected into a high-repetition-rate Ti:Al2O3 laser pumped by a copper-vapor laser to study the amplification and pulse broadening of femtosecond pulses in Ti: Al2O3. Gains of 2 × 107 are achieved with output pulse durations of 1.1 psec. After recompression with a grating pair to compensate dispersion broadening, pulses as short as 275 fsec are obtained.

© 1989 Optical Society of America

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