Research on sun-tracking warning systems in solar blind UV

Yi Tang; Li-jun Zhang; Ting-zhu Bai; Guo-qiang Ni

doi:10.1117/12.807224

26 January 2009 Research on sun-tracking warning systems in solar blind UV

Yi Tang, Li-jun Zhang, Ting-zhu Bai, Guo-qiang Ni

Proceedings Volume 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments; 71560N (2009) https://doi.org/10.1117/12.807224
Event: International Conference of Optical Instrument and Technology, 2008, Beijing, China

Abstract

This paper describes a design of sun-tracking warning demonstration system in solar blind UV. After analyzing of the system structure and guide line of the sun-tracking warning system in solar blind UV, the key techniques of the sun-tracking UV warning system are discussed and designed, including the optical system, UV filter module, optical modulation system, UV detectors and its sun-tracking servo. A total reflect Cassegrain UV optical system with simple structure, reliable performance and high-quality imaging ability is designed and manufactured. In order to enhance the received SNR and process the signal easily, an optical UV filter and an optical modulation reticle are used to filter and modulate the target's direct signals to alternating signal. Functional experiments show that sun-tracking warning system needs better UV filter module whose total stopband rejection should be higher than 10^-10.

Citation Download Citation

Yi Tang, Li-jun Zhang, Ting-zhu Bai, and Guo-qiang Ni "Research on sun-tracking warning systems in solar blind UV", Proc. SPIE 7156, 2008 International Conference on Optical Instruments and Technology: Optical Systems and Optoelectronic Instruments, 71560N (26 January 2009); https://doi.org/10.1117/12.807224

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KEYWORDS

Ultraviolet radiation

Modulation

Optical filters

Mirrors

Reticles

Signal detection

Sun

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