Static Fourier transform interference imaging spectrum full-polarization detector

Abstract

The invention discloses a static Fourier transform interference imaging spectrum full-polarization detector, which comprises a fronting optical telescope system, a static all-optical modulation module, a static Fourier transform interference imaging spectrometer, an imaging lens group, an area-array detector which are arranged in sequence along the light transmission direction, wherein the area-array detector is connected with a signal acquiring and processing system; light emitted by a target source is collimated by the fronting optical system, and then is modulated by the static all-optical modulation module; after the modulated transmission light passes through the static Fourier transform interference imaging spectrometer, emergent light is changed into two beams of coherent light; the two beams of light pass through the imaging lens group and then are convergent on the area-array detector for imaging and interference; and a signal received by the area-array detector is sent to the signal acquiring and processing system for processing. The static Fourier transform interference imaging spectrum full-polarization detector has the characteristics of simple and compact structure, no moving parts, high luminous flux, and acquisition of target two-dimensional spacial images, one-dimensional spectral information and complete polarization information at one time.

Description

technical field [0001] The invention relates to the technical field of optical instruments, in particular to a three-in-one static Fourier transform interference imaging spectrum full polarization detection device capable of simultaneously obtaining target two-dimensional intensity, interference spectrum and full polarization characteristics. Background technique [0002] In the 1980s, the American Aerodynamics Laboratory (JPL) proposed the concept of an imaging spectrometer, which integrates an imager and a spectrometer, and can simultaneously obtain two-dimensional spatial information and one-dimensional spectral information of the target, which has attracted great attention from various countries. In more than 20 years, the imaging spectrometer has developed from the multi-channel dispersion type to the hyperspectral interference type. Among them, the Mechelson interference imaging spectrometer has the basic advantage of a large field of view, and the interference type spe...

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Problems solved by technology

[0004] Aiming at the problem that the current Mechelson static Fourier transform hyperspectral imager cannot obtain the full polarization characteristics of the target, the purpose of the present invention is to provide a simple and compact structure, no moving parts, large luminous flux, and one-time acquisition of target two Static Fourier Transform Interferometric Imaging Spectrum Full Polarization Detection Device with Three-Dimensional Spatial Image, One-Dimensional Spectral Information and Complete Polarization Information

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