FIELD: optics.
SUBSTANCE: invention relates to applied optics and can be used in acoustooptical monochromators, spectrometers and image spectrometers. High-aperture two-crystal acoustooptic monochromator consists of an optically connected light polarization selection input element, a first cell AO, an intermediate light polarization selection element, a second cell AO, an output element for light polarization selection. To increase the aperture of a two-crystal monochromator AO, the reflecting facets of the AO cells acting as the dilution polarizers play the role of the input and output elements of the light polarization selection.
EFFECT: invention relates to applied optics and can be used in acoustooptical monochromators, spectrometers and image spectrometers.
2 cl, 3 dwg
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Authors
Dates
2018-02-13—Published
2016-12-12—Filed