3.5 W of diffraction-limited green light at 515 nm from SHG of a single-frequency tapered diode laser

Ole Bjarlin Jensen; Anders Kragh Hansen; André Müller; Bernd Sumpf; Paul Michael Petersen; Peter E. Andersen

doi:10.1117/12.2249671

20 February 2017 3.5 W of diffraction-limited green light at 515 nm from SHG of a single-frequency tapered diode laser

Ole Bjarlin Jensen, Anders Kragh Hansen, André Müller, Bernd Sumpf, Paul Michael Petersen, Peter E. Andersen

Proceedings Volume 10088, Nonlinear Frequency Generation and Conversion: Materials and Devices XVI; 1008803 (2017) https://doi.org/10.1117/12.2249671
Event: SPIE LASE, 2017, San Francisco, California, United States

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%.

Citation Download Citation

Ole Bjarlin Jensen, Anders Kragh Hansen, André Müller, Bernd Sumpf, Paul Michael Petersen, and 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); https://doi.org/10.1117/12.2249671

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