25 March 1996 Diode-pumped, self-Q-switched, independently addressable laser arrays
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This paper presents results of a program to develop compact, independently-addressable, pulsed infrared laser arrays useful for applications such as laser topographic mapping. Our approach is based on combining the technology of high-power diode lasers with the recent development of self-Q-switching via saturable absorption in co-doped solid-state laser crystals. Proof-of-concept was demonstrated by the design, construction, and characterization of an independently-addressable, three-element monolithic diode laser array end-pumping a single Cr,Nd:YAG solid-state crystal. Pulse durations of approximately 5 ns at 1.06 micrometer and pulse energies of 8 microjoules at repetition rates up to 400 Hz were obtained with individual pulses exhibiting both excellent repeatability and outstanding spatial mode characteristics.
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Harvey B. Serreze, Kurt J. Linden, S. Zhou, Ying-Chih Chen, "Diode-pumped, self-Q-switched, independently addressable laser arrays", Proc. SPIE 2698, Solid State Lasers V, (25 March 1996); doi: 10.1117/12.236151; https://doi.org/10.1117/12.236151

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