WANG Xu-an, HUANG Jun-tao. Design of double visual field flexibility change-over imaging system[J]. Journal of Applied Optics, 2013, 34(6): 889-893.
Citation: WANG Xu-an, HUANG Jun-tao. Design of double visual field flexibility change-over imaging system[J]. Journal of Applied Optics, 2013, 34(6): 889-893.

Design of double visual field flexibility change-over imaging system

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  • Aiming at the visual field change-over of electro-optical system, a flexibility change-over method was presented to improve the accuracy and speed of the visual field change-over. The double visual field integrated coaxial and total imaging surface optical system was designed to meet the requirements of miniaturization and light-weight for the electro-optical imaging system of a certain electro-optical tracing device. Using the polarization principle of polarizer, the electro-optical systems of these two large and small visual field were divided into two optical channels of pitching polarization and yawing polarization. Using the liquid crystal rotator (two positions of 0,90) and the polarize principle of polarizer, time-sharing (flexibility change-over) gating of these two optical channels of pitching polarize and yawing polarize was carried out. The test result shows that the (flexibility) change-over time of these two optical channel is milliseconds only, which is 1% of the mechanical change-over. The double visual field flexibility change-over imaging system technical solution is feasible, and can meet the requirement of the certain electro-optical tracing system.
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