QUBIC技术设计报告
QUBIC Technical Design Report
摘要：
QUBIC是一种旨在测量中等角度范围（30-200多极）的B模式偏振各向异性的仪器。原始CMB B模式偏振信号的搜索是具有挑战性的，因为有许多困难：预期信号的小，可能会导致从大E信号到B的偏振泄漏的仪器系统学，比预期的偏振前景（灰尘）更亮，将找到足够干净的天空区域的最初希望降低到零，以直接观测原始B模式。QUBIC仪器旨在通过一种新型仪器--测辐射热干涉仪来解决这一挑战的所有方面，它结合了过渡边缘传感器的背景限制灵敏度和干涉条纹图案观察所允许的系统控制，同时在两个频率下工作，以将偏振前景与原始B模式偏振分离。其特点在本工艺设计报告中有详细描述。
英文摘要：
QUBIC is an instrument aiming at measuring the B mode polarisation anisotropies at medium scales angular scales (30-200 multipoles). The search for the primordial CMB B-mode polarization signal is challenging, because of many difficulties: smallness of the expected signal, instrumental systematics that could possibly induce polarization leakage from the large E signal into B, brighter than anticipated polarized foregrounds (dust) reducing to zero the initial hope of finding sky regions clean enough to have a direct primordial B-modes observation. The QUBIC instrument is designed to address all aspects of this challenge with a novel kind of instrument, a Bolometric Interferometer, combining the background-limited sensitivity of Transition-Edge-Sensors and the control of systematics allowed by the observation of interference fringe patterns, while operating at two frequencies to disentangle polarized foregrounds from primordial B mode polarization. Its characteristics are described in details in this Technological Design Report.
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