Comprehensive formulation of temperature-dependent dispersion of optical materials: illustration with case of temperature tuning of a mid-IR HgGa2S4 OPO

被引：13

作者：

Mangin, Jacques ^{[1
]}

Mennerat, Gabriel ^{[2
]}

Gadret, Gregory ^{[1
]}

Badikov, Valery ^{[3
]}

de Miscault, Jean-Claude ^{[4
]}

机构：

[1] Univ Bourgogne, CNRS, UMR 5209, Inst Carnot Bourgogne, F-21078 Dijon, France

[2] CEA, CESTA, F-33114 Le Barp, France

[3] Kuban State Univ, Lab High Technol, Krasnodar 350058, Russia

[4] Compagnie Ind Lasers, F-45063 Orleans, France

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2009年 / 26卷 / 09期

关键词：

MU-M; ELECTROOPTIC COEFFICIENTS; SCANNING INTERFEROMETRY; CRYSTALS; GENERATION; RADIATION; KTIOPO4; PULSES;

D O I：

10.1364/JOSAB.26.001702

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The temperature dependence of refractive indices of optical materials is characterized in this work by what we call their normalized thermo-optic coefficients. These are determined experimentally through interferometric measurements of thermal expansion and of changes in optical thickness at a few laser wavelengths as function of temperature. A suitable vectorial formalism applied to these data allows predicting the thermal evolution of the refractive index all over the useful range of transparency. The validity and reliability of our methodology is demonstrated through temperature tuning of a mid-IR HgGa2S4 optical parametric oscillator (OPO) pumped at 1.0642 mu m by a Nd:YAG laser. Measured thermal variation of both signal and idler wavelengths agrees very well with the predicted one. (C) 2009 Optical Society of America

引用

页码：1702 / 1709

页数：8

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