| 镱钠共掺氟化钙锁模激光器产生190 fs光脉冲 |
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| 引用本文： | 葛文琦,柴路,胡明列,王清月,苏良碧,李红军,郑丽和,徐军.镱钠共掺氟化钙锁模激光器产生190 fs光脉冲[J].物理学报,2012,61(1):14213-014213. |
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| 作者姓名： | 葛文琦 柴路 胡明列 王清月 苏良碧 李红军 郑丽和 徐军 |
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| 作者单位： | 1. 天津大学精密仪器与光电子工程学院,光电信息技术科学教育部重点实验室, 天津 300072;
2. 中国科学院上海硅酸盐研究所,透明与光功能无机材料重点实验室, 上海 200050 |
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| 基金项目： | 国家重点基础研究发展计划 (批准号: 2011CB808101)、国家自然科学基金(批准号: 60978022, 60838004, 60938001, 60778036)、教育部新世纪优秀人才支持计划(批准号: NCET-07-0597)和高等学校博士学科点专项科研基金(批准号: 20090032110050)资助的课题. |
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| 摘 要： | 在半导体激光器高功率抽运的镱、钠共掺氟化钙(Yb, Na:CaF2)激光器中, 通过对晶体的负热透镜效应的数值模拟,进行激光器腔型的调节和优化,使得该激光器在采用2%的耦合输出镜和吸收抽运功率为7.8 W的条件下,获得了脉冲宽度为190 fs、平均输出功率为503 mW、中心波长为1034 nm、重复频率为82.4 MHz的连续锁模脉冲序列. 如果计算晶体表面反射等其他形式的泄漏输出,激光器的总平均输出功率为905 mW.
关键词：
Yb
2晶体')" href="#">Na:CaF2晶体
激光二极管抽运
飞秒激光
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| 关 键 词： | Yb Na:CaF2晶体 激光二极管抽运 飞秒激光 |
| 收稿时间： | 2010-12-09 |
Generation of 190 fs optical pulses from a mode-locked Yb, Na: CaF2 laser |
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| Ge Wen-Qi,Chai Lu,Hu Ming-Lie,Wang Qing-Yue,Su Liang-Bi,Li Hong-Jun,Zheng Li-He and Xu Jun.Generation of 190 fs optical pulses from a mode-locked Yb, Na: CaF2 laser[J].Acta Physica Sinica,2012,61(1):14213-014213. |
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| Authors: | Ge Wen-Qi Chai Lu Hu Ming-Lie Wang Qing-Yue Su Liang-Bi Li Hong-Jun Zheng Li-He and Xu Jun |
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| Institution: | School of Precision Instruments and Optoelectronics Engineering, Key Laboratory of Opto-Electronic Information Technology of Ministry of Education, Tianjin University, Tianjin 300072, China;School of Precision Instruments and Optoelectronics Engineering, Key Laboratory of Opto-Electronic Information Technology of Ministry of Education, Tianjin University, Tianjin 300072, China;School of Precision Instruments and Optoelectronics Engineering, Key Laboratory of Opto-Electronic Information Technology of Ministry of Education, Tianjin University, Tianjin 300072, China;School of Precision Instruments and Optoelectronics Engineering, Key Laboratory of Opto-Electronic Information Technology of Ministry of Education, Tianjin University, Tianjin 300072, China;Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), Shanghai 200050, China;Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), Shanghai 200050, China;Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), Shanghai 200050, China;Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), Shanghai 200050, China |
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| Abstract: | In the paper, the demonstration of a high-power LD-pumped Yb, Na:CaF2 femtosecond laser is presented, which the cavity is optimized concerning the numerical simulation for the thermal lens effect. With a 2% output coupler, a continuous-wave mode-locked pulse train with a pulsewidth of 190 fs, the average output power of 503 mW, the center wavelength at 1034 nm and a repetition frequency of 82.4 MHz is obtained under the absorbed pump power of 7.8 W. If other forms of output are recorded, such as the reflection of the crystal surface, the total output power is 905 mW. |
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| Keywords: | Yb Na:CaF2 crystal Laser diode-pump femtosecond laser |
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