Direct studies on nonlinear oxide crystals able to generate mid-infrared parametric light (Conference Presentation)

Patricia Segonds; Benoit Boulanger

doi:10.1117/12.2555168

10 March 2020 Direct studies on nonlinear oxide crystals able to generate mid-infrared parametric light (Conference Presentation)

Patricia Segonds, Benoit Boulanger

Author Affiliations +

Proceedings Volume 11281, Oxide-based Materials and Devices XI; 112811I (2020) https://doi.org/10.1117/12.2555168
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

Nowadays, there is a real need in all solid-state sources emitting a high energy and tunable coherent light covering Band II of transparency of the atmosphere (2-5 µm). The best alternative is frequency down-conversion in a nonlinear crystal of a monochromatic wavelength emitted by a commercial laser. The requested performances of the crystal are a high damage threshold and phase-matching conditions associated with large conversion efficiencies. It is the case of the oxyde crystals KTiOPO4 (KTP) and the periodically poled LiNbO3 (PPLN) that are mainly used. The goal of this talk is to give an overview of their full characterization by using the sphere method we developed many years ago. We will also report recent data of new promising oxyde crystals as La3Ga5.5Ta0.5O14 (LGT), NaI3O8 and periodically poled KTiOPO4 (PPKTP). All our data can be used per se. They also lead to the main parameters enabling calculations of the best use of oxyde crystals in optical parametric generators (OPG).

Conference Presentation

Citation Download Citation

Patricia Segonds and Benoit Boulanger "Direct studies on nonlinear oxide crystals able to generate mid-infrared parametric light (Conference Presentation)", Proc. SPIE 11281, Oxide-based Materials and Devices XI, 112811I (10 March 2020); https://doi.org/10.1117/12.2555168

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