中国激光, 2014, 41 (s1): s102009, 网络出版: 2014-07-03  

“天光”装置光学角多路系统倍增研究

Investigation of Double the Optical Angular Multiplexing System for “Heaven” Facility
作者单位
1 中国原子能科学研究院高功率准分子激光实验室, 北京 102413
2 Department of Experimental Physics University of Szeged, Domter 9.H-6720 Szeged
摘要
“天光”装置是我国目前最大的一台高功率氟化氪准分子激光装置,装置主要包括前端激光器、一级放电抽运激光放大器、两级电子束抽运激光放大器、平滑化光学角多路及打靶平台诊断等系统,装置输出激光波长为248 nm,脉宽为23 ns,输出能力为6束百焦耳量级。主要介绍了一种将装置现有的6束23 ns光学角多路系统升级到12束10 ns光学角多路系统的方法和技术。包括前端10 ns短脉冲激光的产生,偏振分光原理,紫外偏振激光的传输与控制及6路12束光学角多路系统的设计方案等。
Abstract
The “Heaven” facility is the maximal high power krypton-fluoride (KrF) excimer laser in our country. It is composed of an excellent beam profile amplified spontaneous emission (ASE) source, a discharge pumped KrF laser, two stage two-electron-pumped KrF amplifiers, six beams optical angular multiplexing system for beam smoothing, physical diagnostic system, etc. The facility can produce six beams, more than one hundred joule energy, 248 nm wavelength, 23 ns width laser pulse. This paper introduces a method and technology research of double the optical angular multiplexing system for “Heaven” facility. The main contents are as followed: the method of producing 10 ns pulse, the principle introduce of polarization beam split,and the design scheme of twelve beams angular multiplexing system.

向益淮, 高智星, 汤秀章, Sandor Szatmari, Bohus Janos. “天光”装置光学角多路系统倍增研究[J]. 中国激光, 2014, 41(s1): s102009. Xiang Yihuai, Gao Zhixing, Tang Xiuzhang, Sandor Szatmari, Bohus Janos. Investigation of Double the Optical Angular Multiplexing System for “Heaven” Facility[J]. Chinese Journal of Lasers, 2014, 41(s1): s102009.

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