Abstract

A high quality fixed holographic grating was recorded in a photorefractive LiNbO3:Fe crystal at about 100°C in a homemade temperature-controlled vacuum chamber. The recording was carried out using self-stabilization techniques with λ=532nm beams guided onto the crystal by polarization maintaining fibers. The diffraction efficiency of the fixed grating was η=0.44 when measured in the recording setup using the same λ=532nm recording beams. A compatible η was measured with λ=633nm in an auxiliary setup, and a 1mrad angular Bragg selectivity at FWMH was estimated, thus demonstrating the uniformity and good quality of the fixed grating.

© 2008 Optical Society of America

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