Special Section on Laser Damage II

Laser damage of the nonlinear crystals CdSiP2 and ZnGeP2 studied with nanosecond pulses at 1064 and 2090 nm

[+] Author Affiliations
Anne Hildenbrand, Christelle Kieleck, Georg Stöppler, Marc Eichhorn

French–German Research Institute of Saint-Louis, 5 rue du Général Cassagnou, BP 70034, 68301 Saint Louis Cedex, France

Aleksey Tyazhev, Georgi Marchev, Vladimir L. Panyutin, Valentin Petrov

Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy, 2A Max-Born-Str., D-12489 Berlin, Germany

Peter G. Schunemann

BAE Systems, Inc., MER15-1813, P.O. Box 868, Nashua, New Hampshire 03061-0868, United States

Opt. Eng. 53(12), 122511 (Aug 21, 2014). doi:10.1117/1.OE.53.12.122511
History: Received March 17, 2014; Revised August 1, 2014; Accepted August 5, 2014
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Abstract.  CdSiP2 (CSP) is a very promising nonlinear crystal for the mid-infrared spectral range with a nonlinear coefficient slightly larger than that of ZnGeP2 (ZGP). In contrast to ZGP, CSP is phase-matchable and can be employed in 1.064-μm pumped optical parametric oscillators (OPOs) without two-photon absorption. Although low damage resistivity has been reported in such initial OPO tests of CSP, no reliable data on the damage threshold of uncoated CSP exists. In this work, we compare the damage resistivity of uncoated CSP with ZGP at two wavelengths, 2.09μm (1 kHz, 21 ns) and 1.064μm (100 Hz, 8 ns).

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© 2014 Society of Photo-Optical Instrumentation Engineers

Citation

Anne Hildenbrand ; Christelle Kieleck ; Aleksey Tyazhev ; Georgi Marchev ; Georg Stöppler, et al.
"Laser damage of the nonlinear crystals CdSiP2 and ZnGeP2 studied with nanosecond pulses at 1064 and 2090 nm", Opt. Eng. 53(12), 122511 (Aug 21, 2014). ; http://dx.doi.org/10.1117/1.OE.53.12.122511


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