| 用反射式达曼光栅产生飞秒激光双脉冲 |
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| 引用本文： | 刘文军,白冰,周常河,曲士良,戴恩文,李国伟.用反射式达曼光栅产生飞秒激光双脉冲[J].物理学报,2007,56(6):3292-3299. |
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| 作者姓名： | 刘文军 白冰 周常河 曲士良 戴恩文 李国伟 |
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| 作者单位： | (1)哈尔滨工业大学光电科学系(威海),威海 264209; (2)哈尔滨工业大学光电科学系(威海),威海 264209；中国科学院上海光学精密机械研究所,上海 201800; (3)中国科学院上海光学精密机械研究所,上海 201800 |
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| 摘 要： | 采用反射式达曼光栅建立了一种产生飞秒激光双脉冲的新装置.由于采用反射式结构，避免了材料色散和吸收导致的脉冲畸变，并构建了一台二次谐波-频率分辨光学开关装置对产生的双脉冲进行了测量.实验结果表明可以实现脉冲强度相等、时间宽度相同、不同间隔的双脉冲输出.产生双脉冲的装置在飞秒激光领域有着应用的价值.
关键词：
飞秒激光双脉冲
达曼光栅
二次谐波-频率分辨光学开关
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| 关 键 词： | 飞秒激光双脉冲 达曼光栅 二次谐波-频率分辨光学开关 |
| 文章编号： | 1000-3290/2007/56(06)/3292-08 |
| 收稿时间： | 2006-08-17 |
| 修稿时间： | 2006-08-17 |
Generating femtosecond double pulses using Dammann reflection gratings |
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| Liu Wen-Jun,Bai Bing,Zhou Chang-He,Qu Shi-Liang,Dai En-Wen,Li Guo-Wei.Generating femtosecond double pulses using Dammann reflection gratings[J].Acta Physica Sinica,2007,56(6):3292-3299. |
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| Authors: | Liu Wen-Jun Bai Bing Zhou Chang-He Qu Shi-Liang Dai En-Wen Li Guo-Wei |
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| Institution: | 1.Department of Optics and Electronics Sciences, Harbin Institute of Technology at Wei Hai, Wei Hai 264209, China ; 2. Shanghai Institute of Optics and Fine Mechanics, the Chinese Academy of Sciences, Shanghai 201800, China |
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| Abstract: | A novel device for generating femtosecond double pulses is constructed, which mainly consists of three Dammann reflection gratings. Being free from transmission elements, pulse distortion is avoided. Measuring the generated double pulses with a home-made second-harmonic generation frequency-resolved optical gating, experimental results demonstrated that this device can generate double pulses exactly equal in pulse intensity and pulse width with arbitrary delay time. This method should be highly interesting for double pulses generation and its practical applications. |
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| Keywords: | femtosecond double pulses Dammann-grating second-harmonic generation frequency-resolved optical gating |
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