光学精密工程2012，Vol.20Issue(11)：2389-2394,6.DOI:10.3788/OPE.20122011.2389
聚变反应速率测量光学系统设计
Design of optical system for fusion reaction-rate measurement
摘要
Abstract
Based on a plastic scintillator and an optic streak camera, a measuring system for fusion reaction-rate was designed, then the working princile and design method of the measuring system were addressed in detail. A piece of fused silica window was set just behind the plastic scintillator to protect optical elements from darkening after a long time exposure in scatted X rays and the ultraviolet crystals and other ultraviolet glass were selected to ensure the high system transmission. Furthermore, the image plane of the optical system was put onto a photocathode of the streak camera directly to remove the aperture non-matching of input optic system of the streak camera. Finally, a field mirror was put on the first image plane to reduce the max diameter of optical element from 160 mm to 120 mm. The designed optical system has a total length of 2 660 mm, magnification of 3 ! 1 and its final lens is F/0. 667 and transmission is 67%. Moreover, the time dispersion of the optical system is less than 7.3 ps. These results meet the experimental needs of different neutron yields and good experimental results have been obtained in a laser targeting experiment.关键词
聚变反应速率/反应速率测量/中子/光学设计/时间弥散Key words
fusion reaction-rate/ reaction rate measurement/ neutron/ optical design/ temporal dispersion分类
能源科技引用本文复制引用
闫亚东,何俊华..聚变反应速率测量光学系统设计[J].光学精密工程,2012,20(11):2389-2394,6.基金项目
国家教育部博士点(西部)基金资助项目(No.200929441213) （西部）
