Phase-matching properties of yellow color HgGa2S4 for SHG and SFG in the 0.944-10.5910 μm range

Kiyoshi Kato; Valentin Petrov; Nobuhiro Umemura

doi:10.1364/AO.55.003145

Phase-matching properties of yellow color HgGa₂S₄ for SHG and SFG in the 0.944-10.5910 μm range

Appl Opt. 2016 Apr 20;55(12):3145-8. doi: 10.1364/AO.55.003145.

Authors

Kiyoshi Kato, Valentin Petrov, Nobuhiro Umemura

PMID: 27140080
DOI: 10.1364/AO.55.003145

Abstract

We report new experimental results on the phase-matching properties of yellow color HgGa₂S₄ crystals for harmonic generation of an Nd:YAG laser-pumped KTiOPO₄ (KTP) optical parametric oscillator (OPO) and CO₂ lasers in the 0.944-10.5910 μm range. In addition, we present new Sellmeier equations that provide a good reproduction of the present experimental results as well as the published data points for second-harmonic generation of CO₂ laser radiation at 9.2197-9.6392 μm and Nd:YAG laser-pumped OPOs at 1.205-1.725 μm and 2.77-9.10 μm that were achieved with the orange and yellow color crystals.