Chang Weijun, Chen Jiao, Zheng Changqing. Optical design of common path for laser receiving/visual collimator[J]. Journal of Applied Optics, 2016, 37(2): 267-270. DOI: 10.5768/JAO201637.0205003
Citation: Chang Weijun, Chen Jiao, Zheng Changqing. Optical design of common path for laser receiving/visual collimator[J]. Journal of Applied Optics, 2016, 37(2): 267-270. DOI: 10.5768/JAO201637.0205003

Optical design of common path for laser receiving/visual collimator

  • To realize the correction of the optical axis and satisfy the requirement for miniaturization and lightweight, a laser/visual sighting telescope system was designed, which had the common path with laser receiving and visual collimator. By means of shared telephoto objective and coating beamsplitting film on inclined plane of the block prism, the system was applied to opticelectronic observatory, with visual correction of optic axis and laser receiving. The magnification of the visual sighting telescope is 7×, the field of view (FOV) is 5°, the exit pupil diameter is 3.7 mm, and the exit pupil distance is not less than 20mm. The laser receiving system has the FOV of 1mrad and the entrance pupil diameter of 50 mm. The designed results meet the index requirments.
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