多通道门选通纳秒分幅相机-深圳大学.PDF

15 12 V ol . 15 N o. 12 2007 12 Optics and Pr ecision Eng ineering Dec. 2007 1004-924X( 2007 12- 1963- 06 单宝忠, 郭宝平, 牛憨笨 ( 深圳大学 光电工程学院光电子学研究所 广东省光电子器件与系统重点 验室, 广东 深圳518060 : 8 , , CCD , 8 , 1 @ 108 frame/ s, 3 ns 10 ns , , 15 lp/ mm , , : 纳秒分幅相机; 8 通道分幅; 双近贴门选通像增强器; 八棱锥分光 : T B 853. 17 : A Mult-i channel nano-second framing camera with gate selection SH A N Bao- zho ng , GU O Bao- ping , N IU H an- ben ( I nstitute of Op toelectronics , College of Op tronics Engineer ing , Shenz hen Univ ersity , Guangd ong Province K ey L a or atory of Op toelectronic Dev ices and Systems , S henz hen 518060, China) Abstract: T he ult ra high- speed phot og raphy is an essential diagnost ic t ool in research on ult ra f ast pro cess. T he image diagnost ic instr ument is required t o obt ain hig h speed fr am ing im ag es in high fram ing rat e, shor t ex posur e t ime and suit able g ap , and recor ding ultr a f ast pro cess in f ix t im e. A nan- o second f raming cam er a w as developed using o pt ical f raming technique and gat e selectio n met hord in this paper . A n im ag e w as split int o eig ht u sing octag onal pyramid mirror in t he space and each split image has equal opt ical energy and original inf orm at ion . A nearly- past ed im ag e int ensif ier w it h g at e select ion was also developed to enhance t he w eak opt ical im ag e. Each channel uses an independent im- ag e int ensifier w it h gat e selection and an CCD cam era. T his syst em co uld capt ure eight imag es in se- quence at t he short est ex po sure t ime and gap of