Stabilized photorefractive modulation recording beyond 100% diffraction efficiency in LiNbO3:Fe crystals
AA Freschi, J Frejlich - JOSA B, 1994 - opg.optica.org
AA Freschi, J Frejlich
JOSA B, 1994•opg.optica.orgA small photochromic grating is selectively and continuously detected from a much larger
photorefractive modulation in Fe-doped LiNbO3 crystals in a two-wave mixing experiment.
The recording setup is actively fixed to either the photochromic or the photorefractive grating.
In the former case a photorefractive modulation largely exceeding the value required for
100% diffraction efficiency is achieved. In the latter case this modulation is limited to 100%.
Experimental results are in good agreement with the theoretical model.
photorefractive modulation in Fe-doped LiNbO3 crystals in a two-wave mixing experiment.
The recording setup is actively fixed to either the photochromic or the photorefractive grating.
In the former case a photorefractive modulation largely exceeding the value required for
100% diffraction efficiency is achieved. In the latter case this modulation is limited to 100%.
Experimental results are in good agreement with the theoretical model.
A small photochromic grating is selectively and continuously detected from a much larger photorefractive modulation in Fe-doped LiNbO3 crystals in a two-wave mixing experiment. The recording setup is actively fixed to either the photochromic or the photorefractive grating. In the former case a photorefractive modulation largely exceeding the value required for 100% diffraction efficiency is achieved. In the latter case this modulation is limited to 100%. Experimental results are in good agreement with the theoretical model.
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