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New Sellmeier and Thermo-Optic Dispersion Formulas for AgGaS2

1
Chitose Institute of Science and Technology, Faculty of Science and Technology, 758-65 Bibi, Chitose, Hokkaido 066-8655, Japan
2
Okamoto Optics Works Inc., 8-34 Hara-machi, Isogo-ku, Yokohama 253-0008, Japan
3
Prokhorov General Physics Institute of the Russian Academy of Sciences, Vavilov Street 38, 119991 Moscow, Russia
*
Author to whom correspondence should be addressed.
Crystals 2019, 9(3), 129; https://doi.org/10.3390/cryst9030129
Received: 22 January 2019 / Revised: 18 February 2019 / Accepted: 22 February 2019 / Published: 4 March 2019
(This article belongs to the Special Issue Laser Crystals)
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Abstract

This paper reports on the new Sellmeier and thermo-optic dispersion formulas that provide a good reproduction of the temperature-dependent phase-matching conditions for second-harmonic generation (SHG) and sum-frequency generation (SFG) of a CO2 laser and a Nd:YAG laser-pumped KTiOPO4 (KTP) optical parametric oscillator (OPO) in the 0.8859–10.5910 μm range as well as those for difference-frequency generation (DFG) between the two diode lasers in the 4.9–6.5 μm range and DFG between the two periodically poled LiNbO3 (PPLN) OPOs in the 5–12 μm range thus far reported in the literature. View Full-Text
Keywords: AgGaS2; phase-matching; Sellmeier equations; thermo-optic dispersion formula; frequency conversion; mid-IR generation AgGaS2; phase-matching; Sellmeier equations; thermo-optic dispersion formula; frequency conversion; mid-IR generation
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Kato, K.; Okamoto, T.; Grechin, S.; Umemura, N. New Sellmeier and Thermo-Optic Dispersion Formulas for AgGaS2. Crystals 2019, 9, 129.

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