CAJ | 학술논문

星敏感器作为一类高灵敏度光电集成部件,易受空间辐射的影响造成性能退化和工作异常.分析星敏感器的辐射效应机理并制定相应的防护对策,既是当前可靠性增长的基础,也是今后高性能星敏感器发展的必然要求,而国内尚缺少对这一问题的详细论述.阐述了空间辐射环境和星敏感器的组成以及工作原理,综述分析了空间辐射效应机理和对星敏感器产生的影响,并介绍了国外在相应防护对策上的经验,更进一步对影响星敏感器较为严重的瞬态效应做了较为深入的探讨.
성민감기작위일류고령민도광전집성부건,역수공간복사적영향조성성능퇴화화공작이상.분석성민감기적복사효응궤리병제정상응적방호대책,기시당전가고성증장적기출,야시금후고성능성민감기발전적필연요구,이국내상결소대저일문제적상세논술.천술료공간복사배경화성민감기적조성이급공작원리,종술분석료공간복사효응궤리화대성민감기산생적영향,병개소료국외재상응방호대책상적경험,경진일보대영향성민감기교위엄중적순태효응주료교위심입적탐토.
The star sensors based on focal plane arrays are widely used on-board of spacecraft due to their high performance. However, as fine electro-optical devices, they are sensitive to radiation effects. A lot of evidences show the radiation effects made the star sensors' property degradation, and even can't work. This paper surveys the space radiation environment, analyses the physical insight for all radiation damages and illustrates the state of the art of radiation hardness methods in star sensor components. Finally, the most susceptible component, image sensor's radiation effects and countermeasures are discussed in more detail.