AI 中文总结
该研究介绍了将部署到FYST的CCAT合作组350 GHz仪器模块的设计，经实验室测试性能达标，将用于开展高灵敏度偏振尘埃辐射测量及相关科学研究。
AI 中文摘要
CCAT合作组的Prime-Cam仪器即将部署到智利阿塔卡马沙漠的Fred Young亚毫米波望远镜（FYST）中。在Prime-Cam的校准及早期科学观测中，350 GHz仪器模块将发挥重要作用，该宽带相机在三个探测器阵列上配置了超过10000个微波动力学电感探测器（KIDs）。预测显示，该模块将能够对该频率下的大部分天区进行迄今为止最灵敏的偏振尘埃辐射测量，从而推动新的星系偏振科学发展并加深对宇宙学前景的理解。本研究讨论了350 GHz仪器模块的设计，涵盖光学、读出及探测器阵列等方面。随后报告了全集成模块的实验室测试结果，该模块实现了稳定的低温性能，具备100 mK焦平面、高探测器良率以及与设计规格相当的通带。完成这些测试后，该模块已运往智利望远镜站点，用于集成到Prime-Cam中。
英文摘要
The CCAT Collaboration's Prime-Cam instrument will soon be deployed to the Fred Young Submillimeter Telescope (FYST) in Chile's Atacama Desert. Featuring prominently in Prime-Cam's calibration and early science observations will be the 350 GHz instrument module, a broadband camera that will field more than 10,000 microwave kinetic inductance detectors (KIDs) across three detector arrays. Forecasts show this module will be capable of making the most sensitive to-date measurements of polarized dust emission over a large fraction of the sky at this frequency, enabling new galactic polarization science and improved understanding of cosmological foregrounds. In this work we discuss the design of the 350 GHz instrument module, covering aspects of the optics, readout, and detector arrays. We then report on the results of in-lab testing of the fully-integrated module, achieving stable cryogenic performance with a 100 mK focal plane, high detector yield, and a passband comparable to designed specifications. Upon completion of these tests, this module was shipped to the telescope site in Chile for integration in Prime-Cam.
Comments13 pages, 12 figures, 2 tables
