Spherical focal plane-based sub viewing field step gaze imaging optical system
An optical system and staring imaging technology, applied in optics, optical components, instruments, etc., can solve problems such as occlusion, achieve strong scalability, solve complex system integration difficulties, and solve large-scale device requirements.
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[0024] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
[0025] Such as figure 1 As shown, a sub-field of view step staring imaging optical system based on a spherical focal surface proposed by the present invention includes a front coaxial three-mirror main optical system, a two-dimensional pointing mirror system in the middle, a beam splitting component, and a rear The sub-field of view imaging channel correction lens group and the corresponding area array detector are combined.
[0026] The working principle of the entire optical system is: the target light enters the coaxial three-mirror main optical system, and reaches the two-dimensional pointing mirror system after four reflections; through the stepping motion of the pointing mirror, the light of each sub-field of view is introduced to the refracting mirror system one by one. The rotating mirror is reflected by it to the beam splitting component; a...
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