变栅距光栅实现啁啾脉冲光谱整形

CORC > 上海光学精密机械研究所 > 中国科学院上海光学精密机械研究所 > 高功率激光物理国家实验室

	变栅距光栅实现啁啾脉冲光谱整形; Chirped Pulse Spectrum Shaping by Spatial Grating with Variable Line-Space
	郭爱林 ; 杨庆伟 ; 谢兴龙 ; 高奇 ; 薛志玲 ; 李美荣
刊名	光学学报
	2007
卷号	27 期号:2 页码:272
关键词	激光光学 laser optics 啁啾脉冲 chirped pulse 光谱整形 spectrum shaping 变栅距光栅 variable line-space gratings 严格耦合波分析 rigorous coupled-wave analysis 空间整形 spatial shaping
ISSN号	0253-2239
其他题名	Chirped Pulse Spectrum Shaping by Spatial Grating with Variable Line-Space
中文摘要	为了充分利用放大介质的增益带宽，获得脉宽更短，功率更高的输出脉冲，需要将输入到主放大链的种子脉冲进行光谱整形来补偿放大过程中的增益窄化效应。提出了利用变栅距反射光栅实现中心波长1053nm，谱宽6nm啁啾脉冲的光谱整形。运用严格的光栅衍射耦合波理论分析光栅的衍射特性，发现该方案不会引入相位畸变。分别计算和分析了刻槽深度、入射角大小、光栅周期以及入射光波长的变化对衍射效率的影响，通过选取适当的光栅参量可获得0．5％～84％的光谱调制深度。; In order to take full advantage of amplifier gain-bandwidth, and obtain a shorter pulse with higher power in the terminal, it is necessary to conduct a spectrum shaping before the seed pulse being injected into the main amplifier chain to compensate the effect of gain narrowing. A new method, based on the spatial grating with variable line-space for spectrum shaping of chirped laser pulse with the central wavelength at 1053 nm and line width 6 nm, is presented. The rigorous coupled-wave theory is used to analyze the characteristics of grating diffraction, and the results indicate that this method produces no phase distortion. The diffraction efficiency, as a function of the depth and period of groove, incidenct angle, and incident wavelength, is calculated and analyzed, respectively. With proper grating parameters, the spectrum modulation depth from 0.5% to 84% can be achieved.
分类号	TN243
收录类别	EI
语种	中文
公开日期	2009-09-18
内容类型	期刊论文
源URL	[http://ir.siom.ac.cn/handle/181231/3126]
专题	上海光学精密机械研究所_高功率激光物理国家实验室
推荐引用方式 GB/T 7714	郭爱林,杨庆伟,谢兴龙,等. 变栅距光栅实现啁啾脉冲光谱整形, Chirped Pulse Spectrum Shaping by Spatial Grating with Variable Line-Space[J]. 光学学报,2007,27(2):272, 274.
APA	郭爱林,杨庆伟,谢兴龙,高奇,薛志玲,&李美荣.(2007).变栅距光栅实现啁啾脉冲光谱整形.光学学报,27(2),272.
MLA	郭爱林,et al."变栅距光栅实现啁啾脉冲光谱整形".光学学报 27.2(2007):272.