Mid wave IR high average power OPO and OPA using CSP

Kevin T. Zawilski; Peter G. Schunemann; Leonard A. Pomeranz; Spencer L. Horton; Scott D. Setzler; Carl Liebig; Kent Averett

doi:10.1117/12.2579391

5 March 2021 Mid wave IR high average power OPO and OPA using CSP

Kevin T. Zawilski, Peter G. Schunemann, Leonard A. Pomeranz, Spencer L. Horton, Scott D. Setzler, Carl Liebig, Kent Averett

Author Affiliations +

Proceedings Volume 11670, Nonlinear Frequency Generation and Conversion: Materials and Devices XX; 1167007 (2021) https://doi.org/10.1117/12.2579391
Event: SPIE LASE, 2021, Online Only

Abstract

CdSiP2 (CSP) is a nonlinear optical chalcopyrite semiconductor developed as a wider-band-gap analog of ZnGeP2 (ZGP) to enable mid-infrared generation. Two laser architectures were explored to pump CSP crystals at 2 microns. The first was a ring OPO with two CSP crystals that produced 27 W of average power, demonstrating the viability of CSP as a material capable of producing high average power output. The second architecture was an OPO seeded OPA train that was used to directly compare the thermal lenses generated by pumping either CSP or ZGP with high average power 2 micron light. The CSP crystals demonstrated significantly less thermal lensing than the ZGP crystals.

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Citation Download Citation

Kevin T. Zawilski, Peter G. Schunemann, Leonard A. Pomeranz, Spencer L. Horton, Scott D. Setzler, Carl Liebig, and Kent Averett "Mid wave IR high average power OPO and OPA using CSP", Proc. SPIE 11670, Nonlinear Frequency Generation and Conversion: Materials and Devices XX, 1167007 (5 March 2021); https://doi.org/10.1117/12.2579391

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