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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 6 — Jun. 1, 2007
  • pp: 1298–1302

Detection of resonance space-charge wave peaks for holes and electrons in photorefractive crystals

Ivan de Oliveira and Jaime Frejlich  »View Author Affiliations


JOSA B, Vol. 24, Issue 6, pp. 1298-1302 (2007)
http://dx.doi.org/10.1364/JOSAB.24.001298


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Abstract

We report nonstationary photorefractive holograms in absorbing Bi 12 Ti O 20 samples with different degrees of hole-electron competition exhibiting resonance peaks due to electron and hole charge carriers. One sample with moderate hole-electron competition and another with a much larger effect were studied. Experimental data from these samples were analyzed using a theoretical model accounting for electrical hole-electron coupling, wave coupling, and response-time variation along the sample thickness due to bulk light absorption. Comparing experimental data and theoretical results allows finding out material parameters adequately describing hole and electron photoactive centers in these samples.

© 2007 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(160.2900) Materials : Optical storage materials
(160.4330) Materials : Nonlinear optical materials
(160.5320) Materials : Photorefractive materials
(190.5330) Nonlinear optics : Photorefractive optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: December 18, 2006
Revised Manuscript: February 15, 2007
Manuscript Accepted: February 20, 2007
Published: May 17, 2007

Citation
Ivan de Oliveira and Jaime Frejlich, "Detection of resonance space-charge wave peaks for holes and electrons in photorefractive crystals," J. Opt. Soc. Am. B 24, 1298-1302 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-6-1298

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