说明：
This paper aims at the actual question that the IR focal plane detector's usage factor of the active detection area to the total focal plane area (als ...展开
o be named as fill factor) is less than 1, which reduces the detector's total properties; the theory of why we can improve the detector's total properties, such as signal-noise ratio etc. , and why we can lighten the fore optics by a certain method is studied,the method here is matching a diffraction microlens arrays (DMLA) in front of the detector arrays,which increases the detector's energy using efficiency. 收起
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