光子学报, 2019, 48 (9): 0914001, 网络出版: 2019-10-12  

采用块材料展宽器的紧凑型飞秒掺钛蓝宝石激光再生放大研究

A Compact Ti∶Sapphire Regenerative Amplifier with Bulk Material Stretcher
作者单位
清华大学 工程物理系 核技术及应用研究所, 北京 100084
摘要
采用特殊结构的块材料作为脉冲展宽器的紧凑型掺钛蓝宝石再生放大器设计, 相对传统设计展宽器结构更加简洁可靠, 利用棱栅对结构进行脉冲压缩, 在25 W, 527 nm, 1 kHz的激光泵浦条件下, 输出单脉冲能量为3.5 mJ, 重复频率1 kHz, 脉冲宽度为30 fs的超快激光脉冲.稳定性测试发现, 8 h功率抖动性小于0.7%.
Abstract
A compact Ti∶sapphire regenerative amplifier with bulk material as pulse stretcher is designed. Compared with the traditional structure stretcher, the bulk material stretcher is more consise and stable in structure. The laser pulses are compressed by a grismpair which combines together the gratings and prisms. Under the laser pumping conditions of 25 W, 527 nm and 1 kHz, the single pulse energy of output is 3.5 mJ, the repetition rate is 1 kHz, and the pulse width is 30 fs. The stability measurement shows that the power fluctuation in 8 hours is less than 0.7%.
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秦爽, 宁笑楠, 陈九成. 采用块材料展宽器的紧凑型飞秒掺钛蓝宝石激光再生放大研究[J]. 光子学报, 2019, 48(9): 0914001. QIN Shuang, NING Xiaonan, CHEN Jiucheng. A Compact Ti∶Sapphire Regenerative Amplifier with Bulk Material Stretcher[J]. ACTA PHOTONICA SINICA, 2019, 48(9): 0914001.

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