论文标题

CCAT-PRIME:850 GHz模块的光学和低温设计用于PRIME-CAM

CCAT-prime: Optical and cryogenic design of the 850 GHz module for Prime-Cam

论文作者

Huber, Anthony I., Chapman, Scott C., Sinclair, Adrian K., Spencer, Locke D., Austermann, Jason E., Choi, Steve K., Devina, Jesslyn, Gallardo, Patricio A., Henke, Doug, Huber, Zachary B., Keller, Ben, Li, Yaqiong, Lin, Lawrence T., Niemack, Mike, Rossi, Kayla M., Vavagiakis, Eve M., Wheeler, Jordan D.

论文摘要

Prime-Cam是Cerro Chajnantor Atacama望远镜Prime(CCAT-PRIME)设施的第一代工具。用于Prime-Cam的850 $〜$ GHz模块将探测所有仪器模块中最高的频率。我们描述了F $λ$间距,梁大小,像素灵敏度和检测器计数之间的850 $〜$ GHz光学系统的参数空间。我们介绍了针对CCAT PRIME的850 $〜$ GHz仪器模块的光学设计的优化。我们进一步描述了低温RF链设计的开发,以容纳$> $ 30的读取线,以读取低温测试床内的41,400个动力学电感探测器(儿童)。

Prime-Cam is a first-generation instrument for the Cerro Chajnantor Atacama Telescope-prime (CCAT-prime) Facility. The 850$~$GHz module for Prime-Cam will probe the highest frequency of all the instrument modules. We describe the parameter space of the 850$~$GHz optical system between the F$λ$ spacing, beam size, pixel sensitivity, and detector count. We present the optimization of an optical design for the 850$~$GHz instrument module for CCAT-prime. We further describe the development of the cryogenic RF chain design to accommodate $>$30 readout lines to read 41,400 kinetic inductance detectors (KIDs) within the cryogenic testbed.

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