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4 October 2000 Frequency-mode structure analysis of the diode-pumped solid state lasers
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Abstract
The analysis of pump geometry presented in this work allowed to determine optimal conditions of excitations of diode pumped solid state lasers for oscillation of quasi-Gaussian TEM00 mode. There appears the existence of weak transverse mode structure. The heterodyne analysis for two kinds of laser: Nd:YAG and Nd:YVO4 was performed. We found the strong mode competition effect decreasing long- term frequency stability of the lasers. The offset frequency stability between two Nd:YVO4 lasers for short averaging time is 10-10. Using offset frequency feedback loop, stability of the level of 300kHz has been obtained.
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Pawel A. Duda, Jerzy S. Witkowski, Romuald Nowicki, and Krzysztof M. Abramski "Frequency-mode structure analysis of the diode-pumped solid state lasers", Proc. SPIE 4237, Laser Technology VI: Progress in Lasers, (4 October 2000); https://doi.org/10.1117/12.402868
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