Title :
Analysis of charge transfer inefficiency of CCD equipment under proton radiation
Author :
Hou, Rui ; Zhao, Shanghong ; Yao, Zhoushi ; Xu, Jie ; Jiang, Xiaofeng
Author_Institution :
Telecommun. Eng. Inst., Air Force Eng. Univ., Xi´´an, China
Abstract :
The charge coupled device(CCD) is the key component of beacon light subsystem in optical satellite communication system. The influences of space radiation environment on CCD´s charge transfer efficiency(CTE) and its dark current are theoretically analyzed. Based on the analysis the induced CTE degradations under some typical operation temperatures and particle fluences are numerically calculated. The calculation results have proved that adding shielding layers and temperature controlling unit are both the efficient ways to improve the radiation hardness of optical satellite communication system.
Keywords :
charge exchange; charge-coupled devices; optical communication equipment; optical control; satellite communication; temperature control; CCD equipment; charge coupled device; charge transfer efficiency; dark current; light subsystem; optical satellite communication system; proton radiation; radiation hardness; shielding layers; space radiation; temperature controlling unit; Charge coupled devices; Observatories; Optical attenuators; Satellites; CCD; bulk trap; charge transfer efficiency; space radiation;
Conference_Titel :
Electronics and Optoelectronics (ICEOE), 2011 International Conference on
Conference_Location :
Dalian
Print_ISBN :
978-1-61284-275-2
DOI :
10.1109/ICEOE.2011.6013232