FIELD: optical instrumentation.
SUBSTANCE: invention relates to a high-speed hyperspectrometer with a controlled spectral filter. The hyperspectrometer includes a controlled spectral filter based on a Fabry-Perot interferometer, a lens, a matrix radiation receiver, and an electronic signal processing unit. The hyperspectrometer uses the Felget gain based on the simultaneous registration of several spectral images by one radiation detector and subsequent mathematical processing of the receiver signal to extract information about the intensity distribution in individual channels.
EFFECT: increased signal-to-noise ratio and the speed of the device.
1 cl, 7 dwg
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