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17 February 2010 High-energy Q-switched Tm3+-doped polarization maintaining silica fiber laser
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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.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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