Photorefractive Incoherent-to-Coherent Optical Converter Based on Anisotropic Self-Diffraction in BaTiO3
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
[Optical Society of America ]
OCIS Codes
(160.5320) Materials : Photorefractive materials
(190.5330) Nonlinear optics : Photorefractive optics
(200.0200) Optics in computing : Optics in computing
(200.3050) Optics in computing : Information processing
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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