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11 November 2019 Investigation of close to collinear anisotropic acousto-optic interaction in a biaxial crystal of alpha-iodic acid
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Proceedings Volume 11210, Fourteenth School on Acousto-Optics and Applications; 112100O (2019) https://doi.org/10.1117/12.2541041
Event: Fourteenth School on Acousto-Optics and Applications, 2019, Torun, Poland
Abstract
We present results of theoretical investigation of anisotropic close to collinear acousto-optic interaction in alpha-iodic acid crystal. A comparative analysis of the characteristics of quasi-collinear filters and filters based on close to collinear variant of interaction is carried out. The calculations have shown that filters based on close to collinear variant of interaction are almost as good as quasi-collinear filters in spectral resolution at the same interaction length. It is established that the effect of angular shift of geometry due to the dispersion of directions of biaxial crystal optical axes on the interaction characteristics, in this case, is much less distinct than for the wide-aperture filter in the region of small Bragg angles. This fact opens up possibilities of practical implementation of such devices without geometry of acoustooptic interaction correction.
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Maxim I. Kupreychik and Vladimir I. Balakshy "Investigation of close to collinear anisotropic acousto-optic interaction in a biaxial crystal of alpha-iodic acid", Proc. SPIE 11210, Fourteenth School on Acousto-Optics and Applications, 112100O (11 November 2019); https://doi.org/10.1117/12.2541041
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