Frequency doubling of a CO2 laser using orientation patterned GaAs

Leonel P. Gonzalez; Derek C. Upchurch; Jacob O Barnes; Peter G. Schunemann; Lee Mohnkern; Shekhar Guha

doi:10.1117/12.879273

21 February 2011 Frequency doubling of a CO₂ laser using orientation patterned GaAs

Leonel P. Gonzalez, Derek C. Upchurch, Jacob O Barnes, Peter G. Schunemann, Lee Mohnkern, Shekhar Guha

Proceedings Volume 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X; 79171H (2011) https://doi.org/10.1117/12.879273
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

High efficiency second harmonic generation of a pulsed TEA CO₂ laser operating at 9.569 μm was demonstrated in a quasi-phase-matched GaAs structure, 1.48 mm thick, 39.7 mm long and 8.3 mm wide, and having a grating period of 219.6 μm. The structure was grown by hydride vapor phase epitaxy and was dual-band anti-reflection coated on both entrance and exit surfaces. Energy of 1.2 mJ was obtained at 4.78 μm from single pass conversion with incident energy of 2.56 mJ.

Citation Download Citation

Leonel P. Gonzalez, Derek C. Upchurch, Jacob O Barnes, Peter G. Schunemann, Lee Mohnkern, and Shekhar Guha "Frequency doubling of a CO₂ laser using orientation patterned GaAs", Proc. SPIE 7917, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications X, 79171H (21 February 2011); https://doi.org/10.1117/12.879273

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