20 February 2017 3.5 W of diffraction-limited green light at 515 nm from SHG of a single-frequency tapered diode laser
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Abstract
Multi-Watt efficient compact green laser sources are required for a number of applications e.g. within biophotonics, laser pumping and laser displays. We present generation of 3.5 W of diffraction-limited green light at 515 nm by second harmonic generation (SHG) of a tapered diode laser, itself yielding more than 9 W at 1030 nm. SHG is performed in single pass through a cascade of two nonlinear crystals with re-focusing and dispersion compensating optics between the two nonlinear crystals. The laser is single-frequency and the output power is stabilized to better than ±0.4%.
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Ole Bjarlin Jensen, Ole Bjarlin Jensen, Anders Kragh Hansen, Anders Kragh Hansen, André Müller, André Müller, Bernd Sumpf, Bernd Sumpf, Paul Michael Petersen, Paul Michael Petersen, Peter E. Andersen, Peter E. Andersen, } "3.5 W of diffraction-limited green light at 515 nm from SHG of a single-frequency tapered diode laser", Proc. SPIE 10088, Nonlinear Frequency Generation and Conversion: Materials and Devices XVI, 1008803 (20 February 2017); doi: 10.1117/12.2249671; https://doi.org/10.1117/12.2249671
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