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Proceedings Paper

Phase-matching properties of LiIn(SxSe1-x) for THG of a CO2 laser at 10.5910 μm
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Paper Abstract

This paper reports on the phase-matching properties of LiIn(SxSe1-x)2 for type-2 sum-frequency generation (SFG) between the fundamental and second-harmonic of a CO2 laser at 10.5910 μm. The calculations based on the Sellmeier and thermo-optic dispersion formulas of the present authors [Appl. Opt. 53, 7998 (2014) / 53, 1063 (2014)] for LiInS2 and LiInSe2 revealed that LiIn(S0.8Se0.2) is nearly 90° phase-matchable for this process along the y (= a) axis with Δθext·ℓ1/2 = 33.4 deg·cm1/2, Δφext·ℓ1/2 = 13.9 deg·cm1/2, and ΔΤ·ℓ = 117°C·cm at 20°C.

Paper Details

Date Published: 2 March 2020
PDF: 5 pages
Proc. SPIE 11264, Nonlinear Frequency Generation and Conversion: Materials and Devices XIX, 112641W (2 March 2020);
Show Author Affiliations
Kiyoshi Kato, Chitose Institute of Science and Technology (Japan)
Okamoto Optics, Inc. (Japan)
Valentin Petrov, Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy (Germany)
Kentaro Miyata, RIKEN Ctr. for Advanced Photonics (Japan)


Published in SPIE Proceedings Vol. 11264:
Nonlinear Frequency Generation and Conversion: Materials and Devices XIX
Peter G. Schunemann; Kenneth L. Schepler, Editor(s)

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