A lobster eye space X-ray detector
An X-ray and lobster eye technology, applied in the field of detectors for detecting space X-rays, can solve problems such as insufficient structural rigidity, achieve the effects of improving performance, reducing propagation loss, and improving coupling efficiency
Active Publication Date: 2017-08-25
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology
[0007] The present invention provides a lobster-eye space X-ray detector, which solves the problems of insufficient structural rigidity and light leakage in the transmission process of the existing X-ray detector based on the optical principle of the lobster-eye due to the adoption of a plug-in detection structure. Improve the structural rigidity of the detector and reduce the loss of light during coupling and transmission
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[0052] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0053] Such as figure 1 As shown, an embodiment of the present invention includes a curved frame 10, a scintillation crystal 20, a photoconductive material 30 and a photosensor array 40;
[0054] The photosensor array 40 is composed of a plurality of photodetectors arranged in an array, and the photosensor array and the scintillation crystal 20 are coupled through the photoconductive material 30; The edge of the sphere.
[0055] Such as Figure 2A , Figure 2B As shown, in this embodiment, the arc-shaped frame 10 is an integrated spherical shell, including an upper spherical surface 11 and a lower spherical surface 12. The upper spherical surface 11 and the lower spherical surface 12 have the same spherical center, and the radius of the upper spherical surface is larger than that of the lower spherical surface. spherical radius;
[0056] The arc-sh...
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A lobster eye space X-ray detector, which belongs to a detector for detecting space X-rays, solves the problem of insufficient structural rigidity of existing X-ray detectors based on the principle of lobster eyes and light leakage during light transmission, so as to improve the structure of the detector Stiffness, reducing the loss of light in the coupling transmission process. The invention comprises an arc-shaped frame, a scintillation crystal, a photoconductive material and a light sensor array. The arc-shaped frame has a plurality of tapered through holes distributed in an array, and scintillation crystals are inserted in each tapered through hole. The light sensor array and the scintillation crystal Coupling through the photoconductive material, the size of the photosensor array is larger than that and completely envelops the lower opening of each tapered through hole on the edge of the lower spherical surface. The rigidity of the arc-shaped frame of the present invention is improved compared with that of the insert type structure; the photoconductive material is used as a medium to connect the detector parts to complete the light coupling transmission, improve the light transmission efficiency, and effectively reduce the loss of light during coupling.
Description
technical field [0001] The invention belongs to a detector for detecting space X-rays, in particular to a lobster-eye space X-ray detector, which is suitable for detecting and imaging large-field X-rays. Background technique [0002] X-ray is a kind of electromagnetic wave with transmission ability, and it is also an information carrier for studying many physical phenomena. At present, X-rays are widely used in astrophysical research, medical testing, material analysis, industrial flaw detection, security inspection and many other fields. [0003] A large number of X-rays in the cosmic environment will interfere with the navigation of satellites and other spacecraft. Collecting and analyzing X-rays and overcoming the interference of X-rays to the navigation system are of great significance to the stable operation of spacecraft. A new type of X-ray pulsar positioning system currently developed is to detect and analyze the weak X-rays emitted by pulsars, so that the spacecraf...
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IPC IPC(8): G01T1/202
Inventor 许剑锋孙权权吴忠鼎陈肖
Owner HUAZHONG UNIV OF SCI & TECH