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Type: Artigo de periódico
Title: Self-stabilized recording of fixed gratings at high temperature in LiNbO3:Fe
Author: von Bassewitz, JP
de Oliveira, I
Frejlich, J
Abstract: A high quality fixed holographic grating was recorded in a photorefractive LiNbO3:Fe crystal at about 100 degrees C in a homemade temperature-controlled vacuum chamber. The recording was carried out using self-stabilization techniques with lambda = 532 nm beams guided onto the crystal by polarization maintaining fibers. The diffraction efficiency of the fixed grating was eta = 0.44 when measured in the recording setup using the same lambda = 532 nm recording beams. A compatible eta was measured with lambda = 633 nm in an auxiliary setup, and a 1 mrad angular Bragg selectivity at FWMH was estimated, thus demonstrating the uniformity and good quality of the fixed grating. (C) 2008 Optical Society of America
Country: EUA
Editor: Optical Soc Amer
Citation: Applied Optics. Optical Soc Amer, v. 47, n. 29, n. 5315, n. 5320, 2008.
Rights: aberto
Identifier DOI: 10.1364/AO.47.005315
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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