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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 13 — Jul. 1, 2006
  • pp: 2033–2035

Corrections to refractive index data of stoichiometric lithium tantalate in the 5 6 μ m range

V. Z. Kolev, M. W. Duering, and B. Luther-Davies  »View Author Affiliations

Optics Letters, Vol. 31, Issue 13, pp. 2033-2035 (2006)

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We propose corrections to the coefficients in the published Sellmeier equation for stoichiometric LiTaO 3 [ Opt. Lett. 28, 194 (2003) ] that allow the extension of the wavelength range within the region of midinfrared absorption edge up to 6 μ m . The required extraordinary refractive index data for this range were obtained using single-pass optical parametric fluorescence measurements with a pump wavelength of 1064.4 nm . We also observed efficient parasitic second-harmonic generation that could affect some quasi-phase-matching interactions. The corrected Sellmeier equation improves the accuracy of poling period calculations where the idler wavelength is within the region.

© 2006 Optical Society of America

OCIS Codes
(160.2260) Materials : Ferroelectrics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

ToC Category:
Nonlinear Optics

Original Manuscript: February 22, 2006
Revised Manuscript: April 17, 2006
Manuscript Accepted: April 17, 2006

V. Z. Kolev, M. W. Duering, and B. Luther-Davies, "Corrections to refractive index data of stoichiometric lithium tantalate in the 5-6 μm range," Opt. Lett. 31, 2033-2035 (2006)

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