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Proceedings Paper

1 mJ single-rod fiber Er:glass laser for rangefinding
Author(s): Andrey A. Mak; Vadim M. Polyakov; Vladimir V. Vitkin; Artem A. Kharitonov; Vyacheslav A. Buchenkov; Andrey Yu. Rodionov; Irina P. Alekseeva; Olga S. Dymshits; Alexander A. Zhilin
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Paper Abstract

We demonstrate a compact Er:glass single-rod fiber laser for rangefinding with 1 mJ energy Q-switched at 1.54μm. Double-pass pumping with 16 W power and 5 ms pulse duration was used. Active medium was enveloped with diffuse reflector. Thus efficient output power operation achieved. Free-running mode output pulse energy was 12 mJ with a slope efficiency of 16%. Transparent glass-ceramics containing Co2+:MgAl2O4 nanocrystals were selected as the optimal passive gate to ensure Q-switching in a temperature range and transverse mode selection. The Q-switch mode had steady operation at 1 Hz repetition rate with thermal effects playing no visible role.

Paper Details

Date Published: 11 March 2015
PDF: 5 pages
Proc. SPIE 9342, Solid State Lasers XXIV: Technology and Devices, 93421K (11 March 2015); doi: 10.1117/12.2077657
Show Author Affiliations
Andrey A. Mak, ITMO Univ. (Russian Federation)
Vadim M. Polyakov, ITMO Univ. (Russian Federation)
Vladimir V. Vitkin, ITMO Univ. (Russian Federation)
Artem A. Kharitonov, ITMO Univ. (Russian Federation)
Vyacheslav A. Buchenkov, Vavilov State Optical Institute (Russian Federation)
Andrey Yu. Rodionov, Vavilov State Optical Institute (Russian Federation)
Irina P. Alekseeva, NITIOM S.I. Vavilov State Optical Institute (Russian Federation)
Olga S. Dymshits, S.I. Vavilov State Optical Institute (Russian Federation)
Alexander A. Zhilin, NITIOM S.I. Vavilov State Optical Institute (Russian Federation)


Published in SPIE Proceedings Vol. 9342:
Solid State Lasers XXIV: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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