The design of visual telescope based on television viewing-aim

Jiao Chen; Ling Wang; Jiaqi Guo; Jun Zhang

doi:10.1117/12.2605921

24 November 2021 The design of visual telescope based on television viewing-aim

Jiao Chen, Ling Wang, Jiaqi Guo, Jun Zhang

Proceedings Volume 12065, AOPC 2021: Optical Sensing and Imaging Technology; 120651R (2021) https://doi.org/10.1117/12.2605921
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

As the development of electro-optical weapon system, the technique of multi-sensor is used popular. A visual telescope based on a television viewing-aim system has been designed in this paper, which has the common aperture. The optical system which used visual telescope as optical reference of correcting the optical axis, share the same objective and compound prism, and has been applied to versatile optic-electronic observation with coating beam-splitting film on inclined plane of the block prism. A visual telescope system has been presented, which has been inverted image with a Schmidt roof-prism. As a result, a visual telescope could be used to aim target by the eye at exit pupil, which magnification is 10^×, field of view is 5°,exit pupil isφ6mm, exit distance is not less than 20mm, the optical resolution is not more than 5″.There is a very important point, that compound prism has been applied in visual telescope optical system, which cause not only reversed image but also turned 45°optical path to meet the requirement of man-machine. Furthermore, owing to high resolution and maximum probability of distinguish, a CMOS digital camera based on cameral link has been used in the television viewing-aim system, which resolution is 1024× 768, the pixel size is 4 μm. So a television viewing-aim system is made up of telephoto objective to shorten optical length, which has F number 4 and 1°×0.75°field of view in near infrared wavelength. And the system could be used to detect, distinguish and aim target by getting reflect characteristic of the target and converting video image in real time. Finally, according to the analysis of tolerance, the fabrication and assembly tolerance are has been formulated, the result could meet the imaging demands.

Citation Download Citation

Jiao Chen, Ling Wang, Jiaqi Guo, and Jun Zhang "The design of visual telescope based on television viewing-aim", Proc. SPIE 12065, AOPC 2021: Optical Sensing and Imaging Technology, 120651R (24 November 2021); https://doi.org/10.1117/12.2605921

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KEYWORDS

Telescopes

Visualization

Televisions

Visual optics

Optical instrument design

Monochromatic aberrations

Tolerancing

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