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Proceedings Article

High-power diode-pumped Q-switched Er3+:YAG single-crystal fiber laser

[+] Author Affiliations
Igor Martial

Lab. Charles Fabry, CNRS, Univ. Paris-Sud (France) and FiberCryst SAS (France)

Julien Didierjean, Nicolas Aubry

FiberCryst SAS (France)

François Balembois, Patrick Georges

Lab. Charles Fabry, CNRS, Univ. Paris-Sud (France)

Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79121G (February 15, 2011); doi:10.1117/12.874534
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From Conference Volume 7912

  • Solid State Lasers XX: Technology and Devices
  • W. Andrew Clarkson; Norman Hodgson; Ramesh Shori
  • San Francisco, California, USA | January 22, 2011

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.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Igor Martial ; Julien Didierjean ; Nicolas Aubry ; François Balembois and Patrick Georges
"High-power diode-pumped Q-switched Er3+:YAG single-crystal fiber laser", Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79121G (February 15, 2011); doi:10.1117/12.874534; http://dx.doi.org/10.1117/12.874534


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