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20 August 2014Stray light analysis in the TV system for tracking and measuring
According to the technical features and requirements of the television imaging system for tracking and measuring, we
designed a TV system with focal length of 2800mm, F/11.7 and 2ω(FOV) of 14.2′. The system is compact and easy to
fabricate and align, with good image quality. Meanwhile, we performed stray light analysis with ASAP optical software,
described stray light suppression techniques used in the TV for tracking and measuring, proposed a method to determine
optical properties of the system components and parameters of the scattering model reasonably. We calculated the PST
curve of the system for incident angle from -45° to 45°. The results show that when the off-axis angle is larger than the
critical incident angle of the sun, PST value is less than 10-8.
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Lei Cao, Hong-bin Chen, Qi Qiu, Ge Ren, Yang Jiang, Bo Qi, "Stray light analysis in the TV system for tracking and measuring," Proc. SPIE 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 92812S (20 August 2014);