Fourier transform hyperspectral imaging device based on high speed double reflection rotating mirror
A hyperspectral imaging and Fourier transform technology, applied in measurement devices, interference spectroscopy, spectrometry/spectrophotometry/monochromator, etc. Optical path difference nonlinearity and other problems, to achieve the effect of improving resolution, improving optical path difference, and improving real-time performance
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[0042] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0043] Such as figure 1 A Fourier transform hyperspectral imaging device based on a high-speed double-reflection rotating mirror is shown, including a collimator mirror 1, a beam splitter mirror 2, a first mirror 3, a second mirror 4, and a first hollow retroreflector 5. The second hollow retroreflector 6, the detector 8, the double-reflection rotating mirror 7 and the motor (not shown in the figure) that drives the double-reflection rotating mirror 7 to rotate. The motor adopts a high-speed permanent magnet with NdFeB as the magnetic core DC motor; the two reflective surfaces of the double-reflection rotating mirror 7 are coated with a high-reflection film; the rotation axis of the double-reflecting rotating mirror 7 is parallel to the mirror surfaces of the first reflector 3 and the second reflector 4; the surface of the beam splitter 2 Coa...
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