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Proceedings Paper

Investigative study of a diode-pumped continuous-wave Tm:YAP laser as an efficient 1.94 μm pump source
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Paper Abstract

A detailed study of a Tm:YAP laser in continuous-wave (CW), single-pass end-pumped by a 793 nm diode laser is presented. The laser based on c-cut 3 at. % Tm:YAP crystal was experimentally examined and presented in the dependence on transmittance and radius of curvature of output coupling mirrors. A detailed spectral analysis was presented. The influence of a heat-sink cooling water temperature on the laser performance was studied. At room temperature, for an output coupling transmission of 19.5%, the maximum CW output power of 4.53 W was achieved, corresponding to a slope efficiency of 41.5% and an optical-to-optical conversion efficiency of 25.7% with respect to the incident pump power, respectively. We have shown that the output spectrum at a certain wavelength (e.g. 1940 nm) for a given pump power can be realized via the change of resonator parameters (OC transmittance, mode size).

Paper Details

Date Published: 8 December 2016
PDF: 7 pages
Proc. SPIE 10159, Laser Technology 2016: Progress and Applications of Lasers, 1015904 (8 December 2016); doi: 10.1117/12.2257886
Show Author Affiliations
Jacek Kwiatkowski, Military Univ. of Technology (Poland)
Waldemar Zendzian, Military Univ. of Technology (Poland)
Jan K. Jabczynski, Military Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 10159:
Laser Technology 2016: Progress and Applications of Lasers
Ryszard S. Romaniuk; Krzysztof Kopczynski; Jan K. Jabczyński; Zygmunt Mierczyk, Editor(s)

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