An axial variable magnification three-field long-wave infrared imaging optical system
A technology of long-wave infrared and imaging optics, which is applied in optics, optical components, instruments, etc., can solve the problems such as the difficulty of correcting aberrations, and achieve the effect of small investment, simple structure, and fewer lenses
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[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0019] The axial variable magnification three-field long-wave infrared imaging optical system provided by the present invention adopts a secondary imaging configuration to converge and image long-wave infrared radiation, so as to effectively compress the aperture of the objective lens. like figure 1 , 2 Or as shown in 3, the axial variable magnification three-field-of-view long-wave infrared imaging optical system includes an objective lens 1, a variable magnification mirror 2, a compensating mirror 3, a focusing mirror 4, and a converging lens group that are sequentially arranged on the same optical axis from the object side to the image side, Wherein, the converging lens group is composed of a converging mirror 5 and a converging mirror 6 arranged coaxially in sequence. Figure 1-3 Parts 7, 8 and 9 in are components of the detector, which have nothing to ...
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