Linear and nonlinear optical properties of the piezoelectric crystal α-GeO 2

We report the first measurements of phase-matching angles for second-harmonic generation, sum- and difference- frequency generations performed over the transparency range of the uniaxial α-GeO 2 crystal. A simultaneous fit of these data provided dispersion equations. The optical damage threshold and...

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Bibliographic Details
Published in:Optical materials express 2021-10, Vol.11 (10), p.3520
Main Authors: Remark, Théodore, Segonds, Patricia, Peña, Alexandra, Menaert, Bertrand, Debray, Jérôme, Jegouso, David, Pujol, Maria Cinta, Boulanger, Benoît
Format: Article
Language:English
Subjects:
Optics
Physics
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Summary:We report the first measurements of phase-matching angles for second-harmonic generation, sum- and difference- frequency generations performed over the transparency range of the uniaxial α-GeO 2 crystal. A simultaneous fit of these data provided dispersion equations. The optical damage threshold and the magnitude of the nonlinear coefficient d 11 are also determined. We found | d 11 G e O 2 ( 0.67 μ m ) | = 0.76 ± 0.09 pm/V.
ISSN:2159-3930
2159-3930
DOI:10.1364/OME.439099