arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 1306.6897astro-ph.IM
收藏

被动冷却空间任务用灵敏长波红外探测器阵列的研制

Development of sensitive long-wave infrared detector arrays for passively cooled space missions

Craig McMurtry, Donald Lee, James Beletic, Chi-Yi A. Chen, Richard T. Demers, Meghan Dorn, Dennis Edwall, Candice Bacon Fazar, William J. Forrest, Fengchuan Liu… 展开作者

Craig McMurtry, Donald Lee, James Beletic, Chi-Yi A. Chen, Richard T. Demers, Meghan Dorn, Dennis Edwall, Candice Bacon Fazar, William J. Forrest, Fengchuan Liu, Amanda K. Mainzer, Judith L. Pipher, Aristo Yulius

摘要:

近地天体照相机是一项拟议的红外空间飞行任务,旨在发现和确定在地球附近轨道运行的大多数直径大于140米的具有潜在危险的小行星的特征。美国航天局为近地天体摄影技术开发提供了资金,包括开发长波长红外探测器阵列,这种探测器阵列在被动冷却焦平面温度下将具有出色的黄道背景发射限制性能。Teledyne Imaging Sensors开发并交付了第一套约10微米截止、1024 x 1024像素的HgCdTe探测器阵列,供罗切斯特大学测试。这些阵列的测量表明,发展是非常有前途的:噪声,暗电流,量子效率,以及深度的目标已经满足了这项技术在焦平面温度为35至40 K,很容易实现被动冷却。下一组有待开发的阵列将处理第一组交付成果所建议的变化。

英文摘要:

The near-earth object camera (NEOCam) is a proposed infrared space mission designed to discover and characterize most of the potentially hazardous asteroids larger than 140 m in diameter that orbit near the Earth. NASA has funded technology development for NEOCam, including the development of long wavelength infrared detector arrays that will have excellent zodiacal background emission-limited performance at passively cooled focal plane temperatures. Teledyne Imaging Sensors has developed and delivered for test at the University of Rochester the first set of approximately 10 micron cutoff, 1024 x 1024 pixel HgCdTe detector arrays. Measurements of these arrays show the development to be extremely promising: noise, dark current, quantum efficiency, and well depth goals have been met by this technology at focal plane temperatures of 35 to 40 K, readily attainable with passive cooling. The next set of arrays to be developed will address changes suggested by the first set of deliverables.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑