长波QWIP-LED量子阱红外探测器杜瓦研制
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中国科学院上海技术物理研究所创新专项项目(No.CX-177)资助


Dewar for long wave QWIP-LED IRFPA
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    摘要:

    在用于封装长波QWIP-LED量子阱探测器的杜瓦研制中,详细阐明了一种用于封装长波QWIP-LED量子阱红外探测器的结构,结构采用侧罩式设计,光信号从红外窗口进入,近红外窗口透出,提出了一种探测器胶接在管座上,管座整体再螺接在冷头的方法,提高探测器的互换性,通过热适配设计,降低低温应力对探测器影响,选择低冷损的TC4材料,降低杜瓦漏热,基本解决了长波QWIP-LED量子阱探测器杜瓦组件的关键技术,性能指标达标,成像效果良好,达到工程封装要求。

    Abstract:

    In the development of Dewar for packaging long-wave QWIP-LED quantum well detectors,a structure for encapsulating long-wave QWIP-LED quantum well infrared detectors is elaborated.Dewar uses a side-cover design with optical signals from the infrared.The Light signals enter from the infrared window and pass out from the near-infrared window.A method is proposed in which the detector is glued to the pipe socket,and the pipe socket is screwed to the cry cryogenic platform as a whole,thereby improving the interchangeability of the detector and reducing the design by thermal adaptation.To reduce the influence of Low-temperature stress on the detector,TC4 material with low-temperature loss is selected to reduce Dewar heat leakage.Through the breakthrough of these key technologies,the long-wave QWIP-LED quantum well detector Dewar component has been successfully developed.The performance index of Dewar is up to the standard,the imaging effect is good,which meeting the requirements of engineering applications.

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陈俊林,王小坤,曾智江,孙闻,张冬冬,甄红楼,李雪.长波QWIP-LED量子阱红外探测器杜瓦研制[J].激光与红外,2020,50(7):846~850

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  • 在线发布日期: 2020-08-05
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