Temperature-dependent Sellmeier equation for the refractive index of stoichiometric lithium tantalate

Ariel Bruner*, David Eger, Moshe B. Oron, Pinhas Blau, Moti Katz, Shlomo Ruschin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We present a temperature-dependent Sellmeier equation for the refractive index of stoichiometric LiTaO3. The extraordinary refractive index, for the range 0.39-4.1 μm and for temperatures of 30-200 °C, are based on previously published data [Jpn. J. Appl. Phys. 41, 465 (2002)] and on measured data derived from quasi-phase-matched (QPM) resonances. We used the new Sellmeier coefficients that we obtained to calculate the QPM wavelengths for an optical parametric oscillator (OPO) based on periodically poled stoichiometric LiTaO3 pumped at 1064 nm. The measured wavelengths of the OPO were in good agreement with our predictions.

Original languageEnglish
Pages (from-to)194-196
Number of pages3
JournalOptics Letters
Volume28
Issue number3
DOIs
StatePublished - 1 Feb 2003

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