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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 5 — May. 1, 2006
  • pp: 857–860

Linearity of index grating recording with spatially oscillating photovoltaic currents

Alexandr Shumelyuk, Ulrich Hartwig, Karsten Buse, Serguey Odoulov, and Theo Woike  »View Author Affiliations


JOSA B, Vol. 23, Issue 5, pp. 857-860 (2006)
http://dx.doi.org/10.1364/JOSAB.23.000857


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Abstract

The response of photorefractive crystals with bulk photovoltaic charge transport is usually highly nonlinear, and for illumination with a sinusoidal light pattern the recorded space-charge gratings possess, apart from the principal spatial frequency K, several higher spatial harmonics, 2 K , 3 K , etc. We show experimentally that purely sinusoidal index gratings can be recorded in Li Nb O 3 : Fe when the charge redistribution is governed by spatially oscillating photovoltaic currents. This property is especially beneficial for holographic data storage.

© 2006 Optical Society of America

OCIS Codes
(190.5330) Nonlinear optics : Photorefractive optics
(190.7070) Nonlinear optics : Two-wave mixing

ToC Category:
Materials

History
Original Manuscript: August 16, 2005
Revised Manuscript: October 21, 2005
Manuscript Accepted: October 21, 2005

Citation
Alexandr Shumelyuk, Ulrich Hartwig, Karsten Buse, Serguey Odoulov, and Theo Woike, "Linearity of index grating recording with spatially oscillating photovoltaic currents," J. Opt. Soc. Am. B 23, 857-860 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-5-857

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