A quantum integral spectral enhancement method for Xray imaging  

作　　者：ZHU Yan XU Ning-xin MU Yi-ning WANG He WANG Yi-ming REN Hang 朱焱;徐宁欣;母一宁;王贺;王祎明;任航(Department of Electronic Science and Technology,Faculty of Science,Changchun University of Science and Technology,Changchun 130022,China)

机构地区：[1]Department of Electronic Science and Technology,Faculty of Science,Changchun University of Science and Technology,Changchun 130022,China

出　　处：《Optoelectronics Letters》2020年第5期390-395,共6页光电子快报（英文版）

基　　金：This work has been supported by the National Natural Science Foundation of China(Nos.61905026 and 11874091);the Jilin Province Science and Technology Development Project(Nos.20180519019JH,20180804009HJ and 20190701024GH);the Jilin Province Industrial Innovation Special Fund Project(Nos.2018C040-3 and 2019C043-6);the Development of Key Laboratory of Astronomical Optics Technology,Chinese Academy of Sciences(No.CAS-KLAOTKF201803);the Changchun University of Science and Technology(No.XJJLG-2017-01).

摘　　要：In order to avoid the effect of photon defect on the imaging during X-ray generation,an imaging integral filter based on quantum enhancement was proposed in this paper to effectively reduce the sensitivity of X-ray detection system for quantum noise.Firstly,the coupling constraint at the end of the image intensifier was analyzed by discussing the X-ray imaging mechanism.The effects of quantum thermal noise and defects on spectrum transfer were studied from the micro perspective.Then the effectiveness of the new integral filter method was verified from the view of the integral effect of fundamental space frequency transfer characteristics in Fourier spectrum.Finally,the superior ity and real-time performance of the quantum enhancement filter method were verified by the comparison filter testing.

关 键 词：mechanism. spectrum. QUANTUM 

分 类 号：O17[理学—数学]