One joule per pulse, 100-W, diode-pumped, near-diffraction-limited, phase-conjugated Nd:YAG master oscillator power amplifier

Randall J. St. Pierre; Hagop Injeyan; Rodger C. Hilyard; Mark E. Weber; Jacqueline Gish Berg; Michael G. Wickham; Carolyn S. Hoefer; Jason P. Machan

doi:10.1117/12.146935

16 June 1993 One joule per pulse, 100-W diode-pumped, near-diffraction-limited, phase-conjugated Nd:YAG master oscillator power amplifier

Randall J. St. Pierre, Hagop Injeyan, Rodger C. Hilyard, Mark E. Weber, Jacqueline Gish Berg, Michael G. Wickham, Carolyn S. Hoefer, Jason P. Machan

Author Affiliations +

Proceedings Volume 1865, Diode Pumping of Average-Power Solid State Lasers; (1993) https://doi.org/10.1117/12.146935
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

We have assembled and tested a diode-pumped, phase conjugated Nd:YAG master oscillator power amplifier (PC MOPA) operating at an average power of 100 Watts. One joule per pulse has been extracted at a repetition rate of 100 Hz with a beam quality (BQ) of 1.1 x diffraction limited (D.L.). This combination of average power and beam quality makes this the brightest short pulse solid-state laser reported to date. The optical efficiency of 22% and the overall efficiency of 9.4% also represent record performance for high energy short pulse lasers. Excellent spatial uniformity and a pulse length of 7 ns make this laser ideal for frequency doubling and parametric conversion.

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Randall J. St. Pierre, Hagop Injeyan, Rodger C. Hilyard, Mark E. Weber, Jacqueline Gish Berg, Michael G. Wickham, Carolyn S. Hoefer, and Jason P. Machan "One joule per pulse, 100-W diode-pumped, near-diffraction-limited, phase-conjugated Nd:YAG master oscillator power amplifier", Proc. SPIE 1865, Diode Pumping of Average-Power Solid State Lasers, (16 June 1993); https://doi.org/10.1117/12.146935

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