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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 21, Iss. 6 — Jun. 1, 2004
  • pp: 1137–1145

Characterization of quasi-phase-matching gratings in quadratic media through double-pass second-harmonic power measurements

Steffen Kjær Johansen and Pascal Baldi  »View Author Affiliations


JOSA B, Vol. 21, Issue 6, pp. 1137-1145 (2004)
http://dx.doi.org/10.1364/JOSAB.21.001137


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Abstract

A new scheme for nondestructive characterization of quasi-phase-matching grating structures and temperature gradients through inverse Fourier theory using second-harmonic-generation experiments is proposed. By inserting a mirror to reflect the signals back through the sample, we show how it is possible to retrieve the relevant information by measuring only the generated second-harmonic power, avoiding more complicated phase measurements. The potential of the scheme is emphasized through theoretical and numerical investigations in the case of periodically poled lithium niobate bulk crystals.

© 2004 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(220.0220) Optical design and fabrication : Optical design and fabrication

Citation
Steffen Kjær Johansen and Pascal Baldi, "Characterization of quasi-phase-matching gratings in quadratic media through double-pass second-harmonic power measurements," J. Opt. Soc. Am. B 21, 1137-1145 (2004)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-6-1137

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