Compact hard X-ray imaging system with a large FOV

被引：0

作者：

Katsuragawa, Miho ^{[1
,2
]}

Takeda, Shin'ichiro ^{[3
]}

Sato, Goro ^{[1
]}

Harayama, Atsushi ^{[1
]}

Kennedy, Patrick Kenneth ^{[3
]}

Deasy, Kieran ^{[3
]}

Watanabe, Shin ^{[1
,2
]}

Takahashi, Tadayuki ^{[1
,2
]}

机构：

[1] ISAS JAXA, Chuo Ku, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 2298510, Japan

[2] Univ Tokyo, Dept Phys, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[3] OIST, 1919-1 Tancha, Onna Son, Okinawa 9040495, Japan

来源：

SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY | 2016年 / 9905卷

关键词：

CdTe-DSD; Coded mask; Uniformly Redundant Arrays; DETECTOR;

D O I：

10.1117/12.2240497

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We have developed a compact hard X-ray imaging system composed of a cadmium telluride double-sided strip detector (CdTe-DSD) and a coded mask. We investigate the imaging performance using two different coded masks with different sizes and patterns. In our system, a CdTe-DSD of pitch 250 pm is used in conjunction with a coded mask is placed 70-100 mm above the detector to form a compact imaging system. We obtained an angular resolution of up to 11.8 arc min, as measured from gamma-ray lines of point-like radioactive isotope sources. This is consistent with that expected from the geometry. The energy resolution is 1.7 keV (FWHM) at 60 keV and the energy range of imaging is from 5 keV to 122 keV. These results agree very well with Monte Carlo simulations of the detector.

引用

页数：7

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