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题名:
Multilayer dielectric thin film reflector for spectrum reshaping of chirped pulse laser in Nd : glass chirped pulse amplification system
作者: Li Ming1,2; Zhang Bin1; Dai Ya-Ping2; Wang Tao2; Fan Zheng-Xiu3; Huang Wei4
刊名: ACTA PHYSICA SINICA
出版日期: 2008-08-01
卷号: 57, 期号:8, 页码:4898-4903
关键词: multilayer dielectric film ; spectrum reshaping ; kilo-joule peta-watt ; chirped pulse
文章类型: Article
英文摘要: In order to compensate for the gain narrowing and gain saturation effects, and also to improve the signal to noise ratio of the output high-power laser pulse, lots of attention have been paid to the spatial distribution, the temporal profile, as well as the spectrum reshaping in the design of kilo-joule peta-watt chirped pulse amplification (CPA) systems. In this paper, a new method for the spectrum reshaping is proposed, which utilizes a multilayer dielectric thin film reflector with specific construction to realize the spectrum reshaping of the chirped pulse laser in large energy and high power Nd: glass CPA system. The results show that the reflectivity distribution of the multilayer dielectric film reflector can be controlled effectively only if the parameters of the thin film reflector are chosen appropriately. The spectrum modulation radio can be varied over 60% under the condition that the phase of the reflecting light remains nearly constant. The thin film reflector designed for spectrum reshaping of the Nd:glass CPA system with the central wavelength of 1053 nm exhibits a bandwidth of reflect light of 196 run, the chromatic resolving capability of about 0. 1 nm and the phase aberration in the range of the tens of nanometer of up to 12 mrad, which can meet the requirement of the "Senguang-H " kilo-joule peta-watt reconstruction project.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
收录类别: SCI
语种: 英语
WOS记录号: WOS:000258602600039
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3645
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Sichuan Univ, Coll Elect Informat, Chengdu 610064, Peoples R China
2.Shanghai Inst Laser Plasma, Shanghai 201800, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
4.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China

Recommended Citation:
Li Ming,Zhang Bin,Dai Ya-Ping,et al. Multilayer dielectric thin film reflector for spectrum reshaping of chirped pulse laser in Nd : glass chirped pulse amplification system[J]. ACTA PHYSICA SINICA,2008,57(8):4898-4903.
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