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Proceedings Paper

Performance of diode-end-pumped Cr4+, Nd3+:YAG self-Q-switched and Nd:YAG/Cr4+:YAG diffusion-bonded lasers
Author(s): Yehoshua Y. Kalisky; Leonid Kravchik; Milan R. Kokta
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Paper Abstract

Self passively Q-switching of a diode-pumped Cr,Nd:YAG, where the Cr4+ is used as a saturable absorber for the 1064 nm laser emission is reported. The maximum average output power was obtained using an output coupler of R=86%. The self Q-switched diode pumped laser yielded 1.86-W average output power with low threshold pumping power (≈1.7-W), average slope efficiency of ≈34%, pulse duration of about 14-16 nsec, and modulation frequency ranging from 2.4 kHz-73 kHz, depending on the input pumping power. Higher slope efficiency (42%) and shorter Q-switched pulses were obtained for a Q-switched Nd:YAG/Cr4+:YAG diffusion bonded laser. A comparison of the codoped Cr,Nd:YAG laser performance, with that of a diffusion bonded laser is reported and analyzed.

Paper Details

Date Published: 16 June 2003
PDF: 10 pages
Proc. SPIE 4970, Laser Crystals, Glasses, and Nonlinear Materials Growth and Characterization, (16 June 2003); doi: 10.1117/12.479015
Show Author Affiliations
Yehoshua Y. Kalisky, Arava Laser Lab. (Israel)
Leonid Kravchik, Arava Laser Lab. (Israel)
Milan R. Kokta, Saint-Gobain Crystals and Detectors (United States)

Published in SPIE Proceedings Vol. 4970:
Laser Crystals, Glasses, and Nonlinear Materials Growth and Characterization
Yehoshua Y. Kalisky, Editor(s)

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