Performance testing of an x-ray telescope prototype at Shanghai Synchrotron Radiation Facility

Yingyu Liao; Zhengxiang Shen; Jun Yu; Qiushi Huang; Kun Wang; Pengfeng Sheng; Runze Qi; Yang Yang; Zhe Zhang; Shenghao Chen; Jie Wang; Zhongliang Li; Charles J. Hailey; Zhanshan Wang

doi:10.1117/1.JATIS.5.2.024005

2 May 2019 Performance testing of an x-ray telescope prototype at Shanghai Synchrotron Radiation Facility

Yingyu Liao, Zhengxiang Shen, Jun Yu, Qiushi Huang, Kun Wang, Pengfeng Sheng, Runze Qi, Yang Yang, Zhe Zhang, Shenghao Chen, Jie Wang, Zhongliang Li, Charles J. Hailey, Zhanshan Wang

Author Affiliations +

Journal of Astronomical Telescopes, Instruments, and Systems, Vol. 5, Issue 2, 024005 (May 2019). https://doi.org/10.1117/1.JATIS.5.2.024005

Abstract

Several imaging x-ray telescope (IXT) prototypes have been fabricated independently by the Institute of Precision Optical Engineering, which employed thermal slumping technology. To verify the performance of the IXT prototypes, a three-layer prototype with a focal length of 2052.5 mm was tested using a narrow beam at the Shanghai Synchrotron Radiation Facility. The performance testing posed a challenge due to the need to suppress the finite source distance effect on the IXT prototype (43-m long source-optic distance). In addition, limited use of motorized stages presents challenges. We present the experimental setups and detailed measurement approaches by utilizing limited measurement devices. The prototype is a segmented telescope comprising six sectors. For the best sector, the measured point spread function (PSF) yields a half power diameter (HPD) of 66″ and agrees well with modeling (62″) and the value measured at PANTER (65″). In addition, the integrated HPD of the whole prototype is 82″ obtained by coadding the PSFs of the six sectors.

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Yingyu Liao, Zhengxiang Shen, Jun Yu, Qiushi Huang, Kun Wang, Pengfeng Sheng, Runze Qi, Yang Yang, Zhe Zhang, Shenghao Chen, Jie Wang, Zhongliang Li, Charles J. Hailey, and Zhanshan Wang "Performance testing of an x-ray telescope prototype at Shanghai Synchrotron Radiation Facility," Journal of Astronomical Telescopes, Instruments, and Systems 5(2), 024005 (2 May 2019). https://doi.org/10.1117/1.JATIS.5.2.024005

Received: 12 January 2019; Accepted: 12 April 2019; Published: 2 May 2019

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