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914 nm LD端面抽运Nd:YVO4 100 kHz皮秒再生放大器

100 kHz Nd:YVO4 Picosecond Regenerative Amplifier End-Pumped by 914 nm Laser Diode

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摘要

采用Nd:YVO4晶体带内抽运波长914 nm,降低激光二极管(LD)连续抽运时晶体的热负荷和端面热应力,提高高重复频率Nd:YVO4皮秒再生放大器输出性能。研究分析了普克尔盒加压脉宽对工作频率为100 kHz的Nd:YVO4再生放大器输出脉冲稳定性的影响,在吸收914 nm抽运功率为68 W,通过控制普克尔盒加压脉宽,实现了对单脉冲能量为1 nJ、脉宽为5.7 ps、频率为42.7 MHz的全固态Nd:YVO4半导体可饱和吸收镜(SESAM)锁模种子激光脉冲的稳定的100 kHz皮秒激光再生放大,输出平均功率为21.2 W。

Abstract

914 nm wavelength in-band pumping of Nd:YVO4 reduces crystal thermal load and end-surface thermal stress, then the performance of Nd:YVO4 regenerative amplifier is enhanced at high repetition rate. The influence of high-voltage-duration applied to Pockel-cell on Nd:YVO4 regenerative amplifier with output pulse stability of 100 kHz is investigated in detail. When 68 W pumping power at 914 nm center wavelength is absorbed by the Nd:YVO4 crystal and appropriated high-voltage-duration is applied to Pockel-cell, the Nd:YVO4 regenerative amplifier that produces stable 21.2 W average power at 100 kHz repetition rate is seeded by a low power of 1 nJ and 5.7 ps duration semiconductor saturable absorber mirror (SESAM) mode-locked Nd:YVO4 laser with repetition rate of 42.7 MHz.

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中图分类号:O436

DOI:10.3788/cjl201340.0602010

所属栏目:激光物理

基金项目:国家自然科学基金(61144007)资助课题。

收稿日期:2013-02-28

修改稿日期:2013-04-10

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作者单位    点击查看

陈檬:北京工业大学激光工程研究院, 北京 100124
常亮:北京工业大学激光工程研究院, 北京 100124
杨超:北京工业大学激光工程研究院, 北京 100124
陈立元:北京工业大学激光工程研究院, 北京 100124
李港:北京工业大学激光工程研究院, 北京 100124

联系人作者:陈檬(chenmeng@bjut.edu.cn)

备注:陈檬(1963-),女,副研究员,主要从事全固态纳秒、皮秒、倍频激光器件及技术等方面的研究。

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引用该论文

Chen Meng,Chang Liang,Yang Chao,Chen Liyuan,Li Gang. 100 kHz Nd:YVO4 Picosecond Regenerative Amplifier End-Pumped by 914 nm Laser Diode[J]. Chinese Journal of Lasers, 2013, 40(6): 0602010

陈檬,常亮,杨超,陈立元,李港. 914 nm LD端面抽运Nd:YVO4 100 kHz皮秒再生放大器[J]. 中国激光, 2013, 40(6): 0602010

被引情况

【1】石朝辉,刘学松,黄玉涛,闫莹,余锦,樊仲维. 500 kHz,6 ns高重复频率电光腔倒空Nd:YVO4激光器. 中国激光, 2014, 41(10): 1002006--1

【2】尹祺巍,卢华东. 抽运波长对连续单频Nd∶YVO4激光器输出特性的影响. 激光与光电子学进展, 2015, 52(9): 91402--1

【3】冯立春,张赫楠. 声光调Q腔内倍频532 nm激光器的数值模型与实验. 光学学报, 2015, 35(s2): 214001--1

【4】赵 鹏,陈 檬,禹伶洁,龙明亮. 百千赫兹皮秒再生放大器的输出特性. 激光与光电子学进展, 2017, 54(6): 61403--1

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