We have achieved 62 dB of gain in a four-pass 4 mm × 4 mm × 10 cm flash-lamp-pumped Nd:YAG slab laser amplifier. The zigzag-slab geometry permits the overlap of several beams in a small gain volume and thus provides efficient high-gain unsaturated amplification.
© 1986 Optical Society of America
Original Manuscript: December 16, 1985
Manuscript Accepted: January 30, 1986
Published: April 1, 1986
Thomas J. Kane, William J. Kozlovsky, and Robert L. Byer, "62-dB-gain multiple-pass slab geometry Nd:YAG amplifier," Opt. Lett. 11, 216-218 (1986)