Photorefractive subharmonics - a beam-coupling effect?

Henrik C. Pedersen, Per M. Johansen, David J. Webb

Research output: Contribution to journalArticle

Abstract

Using the so-called ac field technique, we investigate experimentally the influence of optical beam coupling on the generation of subharmonic gratings in a photorefractive sillenite crystal. By the use of two different recording configurations, we are able to distinguish between effects caused by material nonlinearities and effects caused by optical beam coupling.
Original languageEnglish
Pages (from-to)1528-1532
Number of pages5
JournalJournal of the Optical Society of America B
Volume15
Issue number5
DOIs
Publication statusPublished - 1 May 1998

Bibliographical note

This paper was published in Journal of the Optical Society of America B - Optical Physics and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-5-1528. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law. © 1998 Optical Society of America.

Keywords

  • ac field technique
  • optical beam coupling
  • subharmonic gratings
  • photorefractive sillenite crystal

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