24 July 2014 Development of the depth-graded multilayers for XTP mission
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Abstract
X-ray Timing and Polarization (XTP) mission will use focusing optics and advanced detector technology to be dedicated to the study of Black Hole, Neutron Star, Quark Star and the physics under extreme gravity, density and magnetism. XTP is expected to make the most sensitive temporal and polarization observations with good energy resolution in 1-30 keV with a detection area of ~1 square meter and a combination of various types of X-ray telescopes. We present a recent overview on the depth-graded multilayers coated on segmented glass optics used in XTP Telescope. This presentation will focus on improving the design, fabrication and characterization of grazing incident depth-graded multilayers based on the requirements of XTP. We discuss metrology on X-ray reflectivity and scatter of grazing incident depth-graded multilayers. We also present the future plan of making more depth-graded multilayers on thermally-slumped glass uesd in several prototype optics.
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Li Jiang, Li Jiang, Runze Qi, Runze Qi, Mingwu Wen, Mingwu Wen, Zhong Zhang, Zhong Zhang, Bin Ma, Bin Ma, Zhanshan Wang, Zhanshan Wang, Yuhong Bai, Yuhong Bai, } "Development of the depth-graded multilayers for XTP mission", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 91441L (24 July 2014); doi: 10.1117/12.2055841; https://doi.org/10.1117/12.2055841
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