Snapshot type polarization spectrum imaging method and device

Abstract

The invention relates to a snapshot type polarization spectrum imaging method and device, thereby solving technical problems that in the prior art, a spectral imaging method or device does not meet the requirements for dynamic target detection and real-time detection, the time-sharing period of polarization state measurement is long, the spectral aliasing phenomenon is caused, and the energy utilization rate is not high. The snapshot type polarization spectrum imaging method comprises the steps that target light is collimated and then the collimated light is interfered through an F-P interferometer, the F-P interferometer is continuously and finely adjusted, then a polarization spectrum image with a continuously-changed spectrum band is obtained and output, and then the polarization spectrum image is collected; and thus the capability of snapshot type polarization spectrum acquisition is realized. Therefore, the invention further provides a snapshot type polarization spectrum imaging device for realizing the method, and the snapshot type polarization spectrum imaging device does not have a large-stroke moving part, has very good stability, and does not need to rotate a polarizationwheel or a wave plate in a traditional mode.

Description

technical field [0001] The invention relates to a spectral imaging method and device, in particular to a snapshot type polarization spectral imaging method and device. Background technique [0002] The combination of spectral imaging and polarization imaging forms a new optical remote sensing technology - polarization spectral imaging technology, which is a new detection technology that can integrate image information, spectral information and polarization state information of the target. Due to the advanced principle and technical advantages, spectral imaging equipment may have the phenomenon of "same spectrum and different spectrum" and "same substance and different spectrum", and there are certain limitations in the accuracy of identifying targets. After adding polarization information to the image and spectral information, the best detection and identification capabilities can be achieved. It is especially suitable for target detection in turbid media (smoke, fog, haze,...

AI Technical Summary

Problems solved by technology

[0009] The present invention aims to solve the technical problems that the spectral imaging method or device in the prior art does not meet the requirements of dynamic target detection and real-time detection, the time-sharing period of polarization state measurement is long, the spectral aliasing phenomenon, and the energy utilization rate is not high. Provide a snapshot type polarization spectrum imaging method and device

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