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Proceedings Paper

High-power diode-pumped Q-switched Er3+:YAG single-crystal fiber laser
Author(s): Igor Martial; Julien Didierjean; Nicolas Aubry; François Balembois; Patrick Georges
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Paper Abstract

We describe an efficient laser emission from a directly grown Er3+:YAG single-crystal fiber that is resonantly pumped using a continuous-wave (CW) laser diode at 1532 nm. In a longitudinal pumping, it emits 12.5 W at 1645 nm with a slope efficiency of 32%, which is the highest ever reported for a directly grown Er:YAG single-crystal fiber laser. Using an off-axis pumping scheme, CW output powers up to 7.3 W can be reached and in Q-switched operation, the laser produces 2 mJ pulses with a duration of 38 ns at the repetition rate of 1 kHz with an M2 factor below 1.8. To our knowledge this is the first directly grown Er3+:YAG single-crystal fiber Q-switched laser.

Paper Details

Date Published: 15 February 2011
PDF: 6 pages
Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79121G (15 February 2011); doi: 10.1117/12.874534
Show Author Affiliations
Igor Martial, Lab. Charles Fabry, CNRS, Univ. Paris-Sud (France)
FiberCryst SAS (France)
Julien Didierjean, FiberCryst SAS (France)
Nicolas Aubry, FiberCryst SAS (France)
François Balembois, Lab. Charles Fabry, CNRS, Univ. Paris-Sud (France)
Patrick Georges, Lab. Charles Fabry, CNRS, Univ. Paris-Sud (France)


Published in SPIE Proceedings Vol. 7912:
Solid State Lasers XX: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh Shori, Editor(s)

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