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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 35 — Dec. 10, 1998
  • pp: 8247–8253

Photorefractive incoherent-to-coherent optical converter based on anisotropic self-diffraction in BaTiO3

Ching-Cherng Sun, Bor Wang, and Jenq-Yang Chang  »View Author Affiliations


Applied Optics, Vol. 37, Issue 35, pp. 8247-8253 (1998)
http://dx.doi.org/10.1364/AO.37.008247


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Abstract

A photorefractive incoherent-to-coherent optical converter (PICOC) is demonstrated; conversion is accomplished by anisotropic self-diffraction in BaTiO3. The setup of the PICOC is easy, and only two writing beams are required. The diffraction efficiency reaches 50%, and the resolution is 22 line pairs (lp)/mm in a typical-size crystal. Further, the resolution reaches 40 lp/mm when a BaTiO3:Rh crystal of thickness 1.2 mm is used, and the diffraction efficiency is as high as 51%. The resolution of the PICOC can be increased effectively by reduction of the crystal thickness with no penalty for low diffraction efficiency.

© 1998 Optical Society of America

OCIS Codes
(160.5320) Materials : Photorefractive materials
(190.5330) Nonlinear optics : Photorefractive optics
(200.3050) Optics in computing : Information processing

History
Original Manuscript: January 5, 1998
Revised Manuscript: May 15, 1998
Published: December 10, 1998

Citation
Ching-Cherng Sun, Bor Wang, and Jenq-Yang Chang, "Photorefractive incoherent-to-coherent optical converter based on anisotropic self-diffraction in BaTiO3," Appl. Opt. 37, 8247-8253 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-35-8247

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