High-energy Q-switched Tm3+-doped polarization maintaining silica fiber laser

Christina C. C. Willis; Lawrence Shah; Matthieu Baudelet; Pankaj Kadwani; Timothy S. McComb; R. Andrews Sims; Vikas Sudesh; Martin Richardson

doi:10.1117/12.843003

17 February 2010 High-energy Q-switched Tm³⁺-doped polarization maintaining silica fiber laser

Christina C. C. Willis, Lawrence Shah, Matthieu Baudelet, Pankaj Kadwani, Timothy S. McComb, R. Andrews Sims, Vikas Sudesh, Martin Richardson

Author Affiliations +

Proceedings Volume 7580, Fiber Lasers VII: Technology, Systems, and Applications; 758003 (2010) https://doi.org/10.1117/12.843003
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

We report the performance of an actively Q-switched Tm fiber laser system. The laser was stabilized to sub-nanometer spectral width using each of two feedback elements: a blazed reflection grating and a volume Bragg grating. Maximum pulse energy using the reflection grating was 325 μJ pulses at 1992 nm (< 200 pm width) with a 125 ns duration at a 20 kHz repetition rate. Maximum pulse energy using the volume Bragg grating was 225 μJ pulses at 2052 nm (<200 pm width) with a 200 ns duration also at 20 kHz. We also report the laser's performance as an ablation source for LIBS experiments on copper.

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Christina C. C. Willis, Lawrence Shah, Matthieu Baudelet, Pankaj Kadwani, Timothy S. McComb, R. Andrews Sims, Vikas Sudesh, and Martin Richardson "High-energy Q-switched Tm³⁺-doped polarization maintaining silica fiber laser", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 758003 (17 February 2010); https://doi.org/10.1117/12.843003

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