DocumentCode :
3757450
Title :
Fresnel lens radiation shield for photodiodes
Author :
Minoru Watanabe
Author_Institution :
Electrical and Electronic Engineering, Shizuoka University, 3-5-1 Johoku, Hamamatsu, Shizuoka 432-8561, Japan
fYear :
2015
Firstpage :
1
Lastpage :
2
Abstract :
Recently, since space satellites use image sensors and photodiode sensors, their radiation tolerance has become an important concern. In addition, some available space communication systems use a photodiode sensor for communications. However, since such sensors have an aperture without shielding, the total ionizing dose tolerance of the sensors becomes so weak that the radiation tolerance becomes lower than that of other embedded components. This paper therefore presents a proposal of a Fresnel lens radiation shield for use with photodiodes. A Fresnel lens can increase the light sensitivity and radiation tolerance of a photodiode.
Keywords :
"Photodiodes","Lenses","Image sensors","Metals","Sensitivity"
Publisher :
ieee
Conference_Titel :
Space Optical Systems and Applications (ICSOS), 2015 IEEE International Conference on
Type :
conf
DOI :
10.1109/ICSOS.2015.7425088
Filename :
7425088
Link To Document :
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