25 September 2009 Visible and mid-IR output using a fibre laser pump source
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Abstract
Results are presented for generation of visible and mid-IR output using a common fibre-based laser pump source. This source comprised a master oscillator power amplifier (MOPA) configuration incorporating a semiconductor seed source. Operation in the nanosecond and picosecond range is possible via use of the appropriate seed source. The MOPA is capable of generating 100 W average power in an output beam with an M2 of 1.1. Here the MOPA was operated in the nanosecond regime, using 100 ns seed pulses at a pulse repetition frequency of 100 kHz. 40 W each of pump power was available for a frequency doubling and an OPO stage. 9.8 W of green light was generated in an output beam with an M2 of 1.2; using a degenerate PPLN OPO 12.7 W of broadband mid-IR output, with a FWHM linewidth in excess of 170 nm, was generated.
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James Beedell, James Beedell, Ian Elder, Ian Elder, Kang Kang Chen, Kang Kang Chen, Shaif-ul Alam, Shaif-ul Alam, David J. Richardson, David J. Richardson, Duncan Hand, Duncan Hand, } "Visible and mid-IR output using a fibre laser pump source", Proc. SPIE 7483, Technologies for Optical Countermeasures VI, 748307 (25 September 2009); doi: 10.1117/12.835443; https://doi.org/10.1117/12.835443
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