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首页> 外文会议>SPIE Astronomical Telescopes + Instrumentation Conference >Next Generation Sub-millimeter Wave Focal Plane Array Coupling Concepts - An ESA TRP project to develop multichroic focal plane pixels for future CMB polarization experiments.
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Next Generation Sub-millimeter Wave Focal Plane Array Coupling Concepts - An ESA TRP project to develop multichroic focal plane pixels for future CMB polarization experiments.

机译：下一代亚毫米波焦平面阵列耦合概念-一个ESA TRP项目，用于开发多色焦平面像素以用于将来的CMB偏振实验。

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In this activity, we develop novel focal plane detector pixels for the next generation CMB B mode detection missions. Such future mission designs will require focal plane pixel technologies that optimizes the coupling from telescope optics to the large number of detectors required to reach the sensitivities required to measure the faint CMB polarization traces. As part of an ESA Technical Research Programme (TRP) programme we are tasked with developing, manufacturing and experimentally verifying a prototype multichroic pixel which would be suitable for the large focal plane arrays to reduce the focal plane size requirement. The concept of replacing traditional single channel pixels with multi frequency pixels will be a key driver in future mission design and the ability to couple radiation effectively over larger bandwidths (30 -100%) is a real technical challenge. In the initial part of the programme we reviewed the science drivers and this determined the technical specifications of the mission. Various options for focal plane architectures were considered and then after a tradeoff study and review of resources available, a pixel demonstrator was selected for design manufacture and test. The chosen design consists of a novel planar mesh lens coupling to various planar antenna configurations with Resonant Cold Electron Bolometer (RCEB) for filtering and detection of the dual frequency signal. The final cryogenic tests are currently underway and a final performance will be verified for this pixel geometry.
机译：在本活动中，我们将为下一代CMB B模式检测任务开发新颖的焦平面检测器像素。这种未来的任务设计将需要焦平面像素技术，以优化从望远镜光学器件到大量检测器的耦合，以达到测量微弱CMB极化迹线所需的灵敏度。作为ESA技术研究计划（TRP）计划的一部分，我们的任务是开发，制造和实验验证多色像素原型，该像素将适用于大型焦平面阵列以减小焦平面尺寸要求。用多频像素代替传统的单通道像素的概念将成为未来任务设计的关键驱动力，并且在较大带宽（30 -100％）上有效耦合辐射的能力是一项真正的技术挑战。在计划的最初部分，我们审查了科学驱动因素，这确定了任务的技术规格。考虑了焦平面架构的各种选择，然后在权衡研究和可用资源审查之后，选择了像素演示器进行设计制造和测试。选择的设计包括一种新颖的平面网状透镜，该透镜与各种平面天线配置耦合，并具有共振冷电子测距仪（RCEB），用于对双频信号进行滤波和检测。目前正在进行最终的低温测试，并将针对该像素几何图形验证最终的性能。

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