多色馈电喇叭耦合TES偏振计
Multi-Chroic Feed-Horn Coupled TES Polarimeters
摘要：
多色偏振敏感探测器提供了一种途径，以增加光谱覆盖范围和灵敏度的仪器优化观测的宇宙微波背景（CMB）或亚毫米天空。我们报告的努力，以适应休战协作喇叭耦合测辐射热偏振仪的操作倍频程带宽。开发的重点是在90和150 GHz频段工作的探测器，这些频段提供最高的CMB偏振前景比。我们计划在2013年在ACTPol上部署一个由256个多色90/150 GHz偏振计和1024个TES探测器组成的阵列，并且有人建议将这种技术用于气球载仪器。束流系统的良好控制和灵敏度的结合使这项技术成为未来地面，气球和太空任务的理想选择。
英文摘要：
Multi-chroic polarization sensitive detectors offer an avenue to increase both the spectral coverage and sensitivity of instruments optimized for observations of the cosmic-microwave background (CMB) or sub-mm sky. We report on an effort to adapt the Truce Collaboration horn coupled bolometric polarimeters for operation over octave bandwidth. Development is focused on detectors operating in both the 90 and 150 GHz bands which offer the highest CMB polarization to foreground ratio. We plan to deploy an array of 256 multi-chroic 90/150 GHz polarimeters with 1024 TES detectors on ACTPol in 2013, and there are proposals to use this technology for balloon-borne instruments. The combination of excellent control of beam systematics and sensitivity make this technology ideal for future ground, ballon, and space missions.
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