Characterization and acceptance testing of fully depleted thick CCDs for the large synoptic survey telescope
Characterization and acceptance testing of fully depleted thick CCDs for the large synoptic survey telescope
复制标题
大型综合巡天望远镜全耗尽厚 CCD 的表征和验收测试
DOI：
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发表时间：
2016
期刊：
影响因子：
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通讯作者：
J. Chiang
中科院分区：
文献类型：
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作者：
I. Kotov;J. Haupt;P. O'connor;Thomas Smith;P. Takacs;H. Neal;J. Chiang
大型综合巡天望远镜 (LSST) 相机将由 189 个大幅面电荷耦合器件 (CCD) 拼接而成。它们是 n 沟道、100 微米厚的器件，在过度耗尽状态下运行。有 16 个段，每个段 100 万像素，通过单独的放大器读出。 LSST 相机的图像质量和读出速度转化为对各个传感器的严格验收要求。原型传感器和预生产 CCD 由供应商提供，它们已用于开发测试程序和协议。基于这些经验，布鲁克海文国家实验室设计并调试了两个测试台，用于生产光电测试。本文概述并讨论了传感器验收标准，介绍了测试台设计和使用的设备，并显示了调试传感器运行的结果。
The Large Synoptic Survey Telescope (LSST) camera will be made as a mosaic assembled of 189 large format Charge Coupled Devices (CCD). They are n-channel, 100 micron thick devices operated in the over depleted regime. There are 16 segments, 1 million pixels each, that are read out through separate amplifiers. The image quality and readout speed expected from LSST camera translates into strict acceptance requirements for individual sensors. Prototype sensors and preproduction CCDs were delivered by vendors and they have been used for developing test procedures and protocols. Building upon this experience, two test stands were designed and commissioned at Brookhaven National Laboratory for production electro-optical testing. In this article, the sensor acceptance criteria are outlined and discussed, the test stand design and used equipment are presented and the results from commissioning sensor runs are shown.