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Optical Engineering

Laser damage of the nonlinear crystals CdSiP2 and ZnGeP2 studied with nanosecond pulses at 1064 and 2090 nm
Author(s): Anne Hildenbrand; Christelle Kieleck; Aleksey Tyazhev; Georgi Marchev; Georg Stöppler; Marc Eichhorn; Peter G. Schunemann; Vladimir L. Panyutin; Valentin P. Petrov
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Paper Abstract

CdSiP 2 (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, 2.09  μm (1 kHz, 21 ns) and 1.064  μm (100 Hz, 8 ns).

Paper Details

Date Published: 21 August 2014
PDF: 6 pages
Opt. Eng. 53(12) 122511 doi: 10.1117/1.OE.53.12.122511
Published in: Optical Engineering Volume 53, Issue 12
Show Author Affiliations
Anne Hildenbrand, Institut Franco-Allemand de Recherches de Saint-Louis (France)
Christelle Kieleck, Institut Franco-Allemand de Recherches de Saint-Louis (France)
Aleksey Tyazhev, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)
Georgi Marchev, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)
Georg Stöppler, Institut Franco-Allemand de Recherches de Saint-Louis (France)
Marc Eichhorn, Institut Franco-Allemand de Recherches de Saint-Louis (France)
Peter G. Schunemann, BAE Systems, Inc. (United States)
Vladimir L. Panyutin, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)
Valentin P. Petrov, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)


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