Measurements of cavity losses in diode-pumped lasers

Jan Karol Jabczynski; Krzysztof Kopczynski; Piotr Marciniak

doi:10.1117/12.373732

13 December 1999 Measurements of cavity losses in diode-pumped lasers

Jan Karol Jabczynski, Krzysztof Kopczynski, Piotr Marciniak

Author Affiliations +

Proceedings Volume 4018, Optoelectronic Metrology; (1999) https://doi.org/10.1117/12.373732
Event: Optoelectronic Metrology, 1998, Lancut, Poland

Abstract

Two methods of loss measurements: Findlay-Clay's method and relaxation frequency method were verified for two types of diode pumped lasers. In case of Nd:YAG laser with changeable output coupler the results obtained in both methods were in good agreement. However there was observed the contradictory between the relatively high losses (about 10% for transmission losses of 5%) and very high slope efficiency (approximately 50%) of this laser. The measurements of cavity losses via relaxation method were carried for several types of microlasers made of Nd:YAG, Nd:GGG, Nd:YAG crystals and Nd:phosphate glass. There were obtained total losses (including transmission ones) in the range from 7% to 30%.

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Jan Karol Jabczynski, Krzysztof Kopczynski, and Piotr Marciniak "Measurements of cavity losses in diode-pumped lasers", Proc. SPIE 4018, Optoelectronic Metrology, (13 December 1999); https://doi.org/10.1117/12.373732

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