Chinese Optics Letters, 2016, 14 (12): 123401, Published Online: Aug. 2, 2018   

Wolter-I-like X ray telescope structure using one conical mirror and one quadric mirror Download: 867次

Author Affiliations
1 Key Laboratory of Advanced Micro-Structure Materials, Ministry of Education, Shanghai 200092, China
2 Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
Abstract
Nested multilayer mirrors are commonly used in X ray telescope structure to increase the collecting area. To balance the difficulty and cost of producing these mirrors, Wolter-I structures are replaced with conical Wolter-I structures, but these can lead to significantly poorer angular resolutions. In this Letter, we consider changing one of the mirror shapes (paraboloid or hyperboloid) of a Wolter-I structure to a conical mirror shape, while the other mirror shape remains a quadric surface-type structure, which can thus ensure the imaging quality. The cone-hyperboloid structure is nested to obtain on-axis angular resolution and off-axis images.

Shenghao Chen, Shuang Ma, Zhanshan Wang. Wolter-I-like X ray telescope structure using one conical mirror and one quadric mirror[J]. Chinese Optics Letters, 2016, 14(12): 123401.

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