Frequency-mode structure analysis of the diode-pumped solid state lasers

Pawel A. Duda; Jerzy S. Witkowski; Romuald Nowicki; Krzysztof M. Abramski

doi:10.1117/12.402868

4 October 2000 Frequency-mode structure analysis of the diode-pumped solid state lasers

Pawel A. Duda, Jerzy S. Witkowski, Romuald Nowicki, Krzysztof M. Abramski

Proceedings Volume 4237, Laser Technology VI: Progress in Lasers; (2000) https://doi.org/10.1117/12.402868
Event: Laser Technology VI, 1999, Szczecin, Poland

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.

Citation Download Citation

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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