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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry Van Driel
  • Vol. 26, Iss. 9 — Sep. 1, 2009
  • pp: 1702–1709

Comprehensive formulation of temperature-dependent dispersion of optical materials: illustration with case of temperature tuning of a mid-IR Hg Ga 2 S 4 OPO

Jacques Mangin, Gabriel Mennerat, Grégory Gadret, Valery Badikov, and Jean-Claude de Miscault  »View Author Affiliations


JOSA B, Vol. 26, Issue 9, pp. 1702-1709 (2009)
http://dx.doi.org/10.1364/JOSAB.26.001702


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Abstract

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 Hg Ga 2 S 4 optical parametric oscillator (OPO) pumped at 1.0642 μ m by a Nd:YAG laser. Measured thermal variation of both signal and idler wavelengths agrees very well with the predicted one.

© 2009 Optical Society of America

OCIS Codes
(120.5710) Instrumentation, measurement, and metrology : Refraction
(120.6810) Instrumentation, measurement, and metrology : Thermal effects
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(260.2030) Physical optics : Dispersion

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: March 18, 2009
Manuscript Accepted: July 6, 2009
Published: August 14, 2009

Citation
Jacques Mangin, Gabriel Mennerat, Grégory Gadret, Valery Badikov, and Jean-Claude de Miscault, "Comprehensive formulation of temperature-dependent dispersion of optical materials: illustration with case of temperature tuning of a mid-IR HgGa2S4 OPO," J. Opt. Soc. Am. B 26, 1702-1709 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-9-1702

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