【摘要】 总结了天文用红外焦平面阵列（IRFPA）的发展历程，阐述了IRFPA的结构，重点介绍了InSb、HgCdTe和Ptsi三种近红外探测器阵列，结合目前正在筹建的红外太阳塔计划，对其各项性能指标作了详细比较．更多还原

【Abstract】 The development course and structure of infrared focal plane arrays are summarized in this paper. InSb, HgCdTe, and PtSi near-infrared focal plane arrays are introduced emphatically, and combined with the plan of the infrared solar tower in China, their features are compared in detail.更多还原