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29 November 2012 High average power (11 W) eye-safe diamond Raman laser
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Abstract
We report external cavity Raman lasers using a 9.5-mm-long low-loss CVD diamond pumped by a 35 W q-switched Nd:YVO4 laser with approximately 22 ns pulses at 36 kHz pulse repetition frequency. Two systems were investigated. The first demonstrated first and second Stokes simultaneously with more than 14.5 W of combined optical power. For an output coupler optimized for second Stokes only output (1485 nm), 11.1 W at 38% conversion efficiency was obtained. This output power is comparable to the maximum output powers reported for competing pulsed eye-safe technologies such as optical parametric oscillators and Er:YAG lasers.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Aaron McKay, Ondrej Kitzler, Hua Liu, David Fell, and Richard P. Mildren "High average power (11 W) eye-safe diamond Raman laser", Proc. SPIE 8551, High-Power Lasers and Applications VI, 85510U (29 November 2012); https://doi.org/10.1117/12.999857
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