| 宽带自锁模钛宝石飞秒激光脉冲的实验研究 |
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| 引用本文： | 王屹山,陈国夫,赵尚弘,于连君,王贤华. 宽带自锁模钛宝石飞秒激光脉冲的实验研究[J]. 光子学报, 2000, 29(3): 203-208 |
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| 作者姓名： | 王屹山 陈国夫 赵尚弘 于连君 王贤华 |
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| 作者单位： | [1]西安光学精密机械研究所瞬态光学技术国家重点实验室,西安 [2]西安光学精密机械研究所瞬态光学技术国家重点实验,西安 |
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| 摘 要： | 在线性Z形折叠腔的基础上,采用了一种能够消除输出耦合镜带宽限制的方法,用3mm的钛宝石短晶体和石英色散补偿棱镜得到了光谱带宽为121nm的自锁模钛宝石激光脉冲.在分析光脉冲自相关仪测量系统对测量影响的基础上,优化并基本消除了测量系统带来的影响,假设光脉冲形状为双曲正割型,得到了12fs的光脉冲,该光脉冲光谱半宽(FWHM)为87.6nm,中心波长为849.7nm,光脉冲平均输出功率为400mW,重复率为97MHz.
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| 关 键 词： | 自锁模钛宝石激光脉冲 宽带 短脉冲 自相关仪 |
| 收稿时间： | 1999-09-14 |
| 修稿时间： | 1999-09-14 |
EXPERIMENTAL STUDY OF BROADBAND KLM TI:SAPPHIRE FEMTOSECOND PULSE |
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| Wang Yishan,ChenGuofu,Zhao Shanghong,Yu Lianjun,Wang XianhuaState Key Laboratory of Transient Optics Technology,Xi. EXPERIMENTAL STUDY OF BROADBAND KLM TI:SAPPHIRE FEMTOSECOND PULSE[J]. Acta Photonica Sinica, 2000, 29(3): 203-208 |
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| Authors: | Wang Yishan ChenGuofu Zhao Shanghong Yu Lianjun Wang XianhuaState Key Laboratory of Transient Optics Technology Xi |
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| Affiliation: | State Key Laboratory of Transient Optics Technology, Xi’an Institute of optics and Precision Mechanics, Academia Sinica, Xi’an 710068 |
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| Abstract: | On the basis of linear Z shape folded cavity,a method is applied which can extinguish the limit of output mirror bandwidth.With a 3mm Ti:sapphire short crystal and a pair of silicon prisms for dispersion compensation,a maximum bandwidth of 121nm is obtained for KLM Ti:S pulse.Analyzing the effect of autocorrelator to the measurement of optical pulse,the measurement system has been optimized and the influence of the measurement system on the measured result has been almost excluded.Assuming a such pulse shape,it is got the shortest pulse of 12 fs.The FWHM of the shortest pulse spectrum is 87.6nm.The center wavelength is 849.6nm.The output average power of laser is 400mW. |
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| Keywords: | Ultrabroadband KLM Ti:sapphire Autocorrelator |
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