A Transmissive X-ray Polarimeter Design For Hard X-ray Focusing Telescopes
Dong YW(董永伟); Lu FJ(卢方军); Zhang SN(张双南); Li; H; Feng; H; Ji; JF; Deng; Z; He; L; Zeng; M; Li; TL; Liu; YN; Heng; PY; Wu; Q; Han; D; Dong; YW; Lu; FJ; Zhang; SN
刊名Proceedings of SPIE
2015
卷号9601页码:96010V
关键词X-ray polarimeter Gas Detector Time Projection Chamber XTP Space Astronomy
学科分类Astronomy & Astrophysics; Instruments & Instrumentation; Optics
DOI10.1117/12.2185435
文章类型Proceedings Paper
英文摘要The X-ray Timing and Polarization (XTP) is a mission concept for a future space borne X-ray observatory and is currently selected for early phase study. We present a new design of X-ray polarimeter based on the time projection gas chamber. The polarimeter, placed above the focal plane, has an additional rear window that allows hard X-rays to penetrate (a transmission of nearly 80% at 6 keV) through it and reach the detector on the focal plane. Such a design is to compensate the low detection efficiency of gas detectors, at a low cost of sensitivity, and can maximize the science return of multilayer hard X-ray telescopes without the risk of moving focal plane instruments. The sensitivity in terms of minimum detectable polarization, based on current instrument configuration, is expected to be 3% for a 1mCrab source given an observing time of 10(5) s. We present preliminary test results, including photoelectron tracks and modulation curves, using a test chamber and polarized X-ray sources in the lab.
类目[WOS]Astronomy & Astrophysics ; Instruments & Instrumentation ; Optics
收录类别EI ; CPCI
WOS记录号WOS:000366016700022
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228962
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
中国科学院高能物理研究所_粒子天体物理中心
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Dong YW,Lu FJ,Zhang SN,et al. A Transmissive X-ray Polarimeter Design For Hard X-ray Focusing Telescopes[J]. Proceedings of SPIE,2015,9601:96010V.
APA 董永伟.,卢方军.,张双南.,Li.,H.,...&SN.(2015).A Transmissive X-ray Polarimeter Design For Hard X-ray Focusing Telescopes.Proceedings of SPIE,9601,96010V.
MLA 董永伟,et al."A Transmissive X-ray Polarimeter Design For Hard X-ray Focusing Telescopes".Proceedings of SPIE 9601(2015):96010V.
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