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Indium antimonide large-format detector arrays

机译：锑化铟大幅面检测器阵列

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Large format infrared imaging sensors are required to achieve simultaneously high resolution and wide field of view image data. Infrared sensors are generally required to be cooled from room temperature to cryogenic temperatures in less than 10 min thousands of times during their lifetime. The challenge is to remove mechanical stress, which is due to different materials with different coefficients of expansion, over a very wide temperature range and at the same time, provide a high sensitivity and high resolution image data. These challenges are met by developing a hybrid where the indium antimonide detector elements (pixels) are unconnected islands that essentially float on a silicon substrate and form a near perfect match to the silicon read-out circuit. Since the pixels are unconnected and isolated from each other, the array is reticulated. This paper shows that the front side illuminated and reticulated element indium antimonide focal plane developed at L-3 Cincinnati Electronics are robust, approach background limited sensitivity limit, and provide the resolution expected of the reticulated pixel array.
机译：需要大幅面红外成像传感器才能同时实现高分辨率和宽视场图像数据。红外传感器通常需要在其使用寿命内数千次从室温冷却到低温，且时间不得超过10分钟。面临的挑战是在非常宽的温度范围内消除机械应力，这是由于具有不同膨胀系数的不同材料所致，同时还要提供高灵敏度和高分辨率的图像数据。通过开发一种混合动力装置可以解决这些挑战，在这种混合动力装置中，锑化铟检测器元件（像素）是不相连的岛，这些岛基本上漂浮在硅基板上，并与硅读出电路形成近乎完美的匹配。由于像素未连接且彼此隔离，因此该阵列是网状的。本文表明，L-3辛辛那提电子公司开发的正面照明和网状元素锑化铟铟焦平面坚固，接近背景灵敏度限制，并提供了网状像素阵列所期望的分辨率。

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