激光与光电子学进展, 2010, 47 (10): 101406, 网络出版: 2010-09-20   

高功率掺铥光纤激光的研究进展 下载: 586次

Progress of High Power Tm-Doped Fiber Laser
作者单位
国防科学技术大学光电科学与工程学院, 湖南 长沙 410073
摘要
掺铥光纤激光可调谐范围宽、人眼安全、非线性阈值高,功率提升潜力大,在遥感、激光雷达、医疗、光学参量振荡等领域具有重要的应用。主要报道了国内外在连续、脉冲掺铥光纤激光方面的进展。目前连续掺铥光纤激光已经实现1 kW的输出,其中单频连续掺铥光纤激光实现了608 W的输出,如果进一步采用高功率、高亮度的半导体激光作为抽运源,增多放大级,则有望实现更高功率的激光输出。在脉冲激光方面,采用调Q方式实现了重复频率100 kHz,单脉冲能量360 μJ的纳秒脉冲输出;采用锁模方式实现了重复频率为37 MHz,脉宽为1.32 ps,平均功率为3.4 mW的输出。最后对掺铥光纤激光的未来发展进行了展望。
Abstract
In recent years, Tm-doped fiber laser aroused much attention for its superior properties such as wide tunable range, eye-safe and high nonlinear threshold. Compared with Yb-doped fiber laser, Tm-doped fiber laser is of great advantage in power rising, which has significant application prospects in remote sensing, laser radar, medical care, optical parametric oscillation and other fields. The progress of continuous-wave (CW) and pulsed Tm-doped fiber laser at home and abroad is reported. At present, CW Tm-doped fiber laser has achieved 1 kW output, and single-frequency Tm-doped fiber laser has achieved 608 W output. Moreover, higher laser output will be achieved if high-power high-brightness LD pump source and multi-stage amplifier configuration are used. With Q-switched technology, the repetition rate of pulsed laser achieves 100 kHz, and the single nanosecond pulse energy reaches 360 μJ; with mode-locked technology, the repetition rate of pulsed laser achieves 37 MHz and the average power of the picosecond pulse reaches 3.4 mW. Finally, the trend of Tm-doped fiber laser is discussed.

韩凯, 马阎星, 王小林, 周朴, 许晓军, 刘泽金. 高功率掺铥光纤激光的研究进展[J]. 激光与光电子学进展, 2010, 47(10): 101406. Han Kai, Ma Yanxing, Wang Xiaolin, Zhou Pu, Xu Xiaojun, Liu Zejin. Progress of High Power Tm-Doped Fiber Laser[J]. Laser & Optoelectronics Progress, 2010, 47(10): 101406.

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