DMD spatial dimension coding symmetric Offner dispersive dual-color infrared spectral imaging device
An infrared spectrum and imaging device technology, which is applied in the field of infrared spectrum imaging and can solve the problems of complex microlens array process, curved spectral lines, and difficult processing.
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[0008] The specific scheme of the DMD space-dimensional coding symmetric Offner dispersion two-color infrared spectrum imaging device of the present invention is as follows. Such as figure 2 As shown, the working surface of the two-color infrared DMD9 is located at the image plane of the two-color infrared achromatic zoom objective lens group 8 . The two-color infrared achromatic zoom objective lens group 8 has working bands of 3-5 μm and 8-14 μm. In the two-color infrared achromatic zoom objective lens group 8, the order from the object side to the image side is the front fixed group, the zoom group, the compensation group and the rear Fixed group. The window material in the dual-color infrared DMD9 is simple silicon, such as single crystal silicon or polycrystalline silicon, coated with 3~5μm and 8~14μm anti-reflection coatings. The mirror surface of the micromirror in the two-color infrared DMD9 is coated with a 3-5μm and 8-14μm high-reflection film, such as an aluminum ...
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