Daytime star detection device using polarization and spectral filtering method

Gongpu Lan; Wenli Ma; Feng Cheng

doi:10.1117/12.866874

22 October 2010 Daytime star detection device using polarization and spectral filtering method

Gongpu Lan, Wenli Ma, Feng Cheng

Proceedings Volume 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology; 76580Y (2010) https://doi.org/10.1117/12.866874
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

How to see the stars in daytime? A new idea is described here in this paper which uses a combination of two methods: one is traditional spectral filtering method and the other is a new attempt on daytime star detection--polarization method. Each of these two method's principle of work, scope of application and limitation on daytime star detection are introduced in detail; and the advantage of the combination is discussed accordingly. Based on the demand of the daytime star detection, a device is designed and its optical system and mechanical structure are also analyzed in this paper. At last, a further discussion of the existing problems and the possible improvements of the current device are presented.

Citation Download Citation

Gongpu Lan, Wenli Ma, and Feng Cheng "Daytime star detection device using polarization and spectral filtering method", Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76580Y (22 October 2010); https://doi.org/10.1117/12.866874

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KEYWORDS

Polarization

Optical filters

Stars

Sun

Signal to noise ratio

Imaging systems

Optical design

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