Coaxial field-biasing type long-wave infrared system based on spherical reflecting mirror
A spherical mirror, long-wave infrared technology, applied in optical components, optics, instruments, etc., can solve the problems of low transmittance, concentric multi-scale system solutions are difficult to apply to the infrared band, etc., to achieve large imaging width, conducive to Effects of stray light suppression, volume and mass reduction
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[0037] The present invention will be further described below in conjunction with the accompanying drawings.
[0038] Such as Figure 1a , Figure 1b , Figure 6 and Figure 7 As shown, it is a schematic structural diagram of the optical system of the present invention, and a spherical mirror 1 is placed on the optical path. In order to separately suppress stray light for the imaging channel corresponding to each correction mirror group, and make full use of the optical characteristics of the spherical mirror 1 full-field rotational symmetry, each imaging compensation mirror is sequentially placed at the corresponding position in front of the spherical mirror 1 according to the optical design results group; the imaging beams of each imaging channel are effectively separated, which avoids the interference of local strong light sources on the entire field of view, and can realize imaging detection with a large dynamic range. Combined with the push-broom imaging mode, the imagi...
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