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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 14, Iss. 22 — Nov. 15, 1989
  • pp: 1275–1277

Noise suppression in photorefractive image amplifiers

H. Rajbenbach, A. Delboulbé, and J. P. Huignard  »View Author Affiliations


Optics Letters, Vol. 14, Issue 22, pp. 1275-1277 (1989)
http://dx.doi.org/10.1364/OL.14.001275


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Abstract

We propose and experimentally demonstrate a simple technique capable of significantly enhancing the signal-to-noise ratio of photorefractive amplifiers. The optical noise due to amplified scattered light and multiple interface reflections is removed by performing two-wave mixing in off-axis-rotating BaTiO3 and Bi12SiO20 crystals. A 20-fold improvement of the signal-to-noise ratio is achieved, and virtually noise-free image amplifiers are demonstrated.

© 1989 Optical Society of America

History
Original Manuscript: May 22, 1989
Manuscript Accepted: September 8, 1989
Published: November 15, 1989

Citation
H. Rajbenbach, A. Delboulbé, and J. P. Huignard, "Noise suppression in photorefractive image amplifiers," Opt. Lett. 14, 1275-1277 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-22-1275

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