A polarization hyperspectral imaging device based on an immersion grating
An imaging device and immersion technology, applied in polarization spectrum, measurement device, spectrometry/spectrophotometry/monochromator, etc., can solve the contradiction between moving parts, high precision and light weight, and polarization spectrum equipment cannot Simultaneous acquisition and other issues to achieve the effect of improving accuracy, high luminous flux, and improving detection accuracy
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[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0028] Please refer to figure 1 and figure 2 , a polarization hyperspectral imaging device based on an immersion grating of the present invention, comprising: a front optical system 4, an entrance slit 5, a collimator mirror 6, an immersion grating 7, a polarization beam splitter 8, a focusing lens 9 and Detector 10. The working principle of the immersion grating 7 selected by the present invention is as follows: figure 1 As shown, including substrate 1, prism 2 and grating 3.
[0029] The incident light enters the front optical system 4 after passing through the entrance pupil 11, and the entrance pupil 11 is arranged at the front optical system 4; into the entrance slit 5. The incident slit 5 is set in front of the collimator 6, and the incident light can enter the collimator 6 through the incident slit 5; the immersion gratin...
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