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arXiv 1409.8516astro-ph.IM
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用于CMB卫星任务的大半径半波片的研制

Development of large radii half-wave plates for CMB satellite missions

G. Pisano, B. Maffei, M. W. Ng, V. Haynes, M. Brown, F. Noviello, P. de Bernardis, S. Masi, F. Piacentini, L. Pagano, M. Salatino, B. Ellison, M. Henry, P. de Maagt, B. Shortt

摘要:

欧洲航天局(ESA)普朗克探测任务的成功完成,使宇宙微波背景(CMB)的温度各向异性得到了前所未有的精确测量。然而,普朗克并没有被设计成以可比的精度检测CMB的极化成分。BICEP2合作最近报告了B模式偏振的首次检测。欧空局正在资助与B模式偏振探测相关的关键使能技术的开发,其中之一是大直径半波片。我们比较不同的偏振调制器,并讨论其各自的权衡制造,RF性能和热机械性能。然后,我们为未来的卫星任务选择最合适的解决方案,并针对B模式的检测进行优化。

英文摘要:

The successful European Space Agency (ESA) Planck mission has mapped the Cosmic Microwave Background (CMB) temperature anisotropy with unprecedented accuracy. However, Planck was not designed to detect the polarised components of the CMB with comparable precision. The BICEP2 collaboration has recently reported the first detection of the B-mode polarisation. ESA is funding the development of critical enabling technologies associated with B-mode polarisation detection, one of these being large diameter half-wave plates. We compare different polarisation modulators and discuss their respective trade-offs in terms of manufacturing, RF performance and thermo-mechanical properties. We then select the most appropriate solution for future satellite missions, optimized for the detection of B-modes.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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