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Sodium guide star laser pulsed at Larmor frequency
Yang, Xuezong; Zhang, Lei; Cui, Shuzhen; Fan, Tingwei; Dong, Jinyan; Feng, Yan; zhangl@siom.ac.cn; feng@siom.ac.cn
2017
Source PublicationOpt. Lett.
Volume42Issue:21Pages:4351
Abstract589 nm lasers pulsed at Larmor frequency, several hundreds of kilohertz, can increase the brightness of a sodium guide star and are required in remote magnetometry with mesospheric sodium. By amplification of a continuous-wave single-frequency 1178 nm laser in a pulse-pumped Raman fiber amplifier and frequency doubling in an external cavity, high-power pulsed 589 nm laser at Larmor frequency is obtained for the first time, to the best of our knowledge. The pulse format is mainly determined by the 1120 nm Raman pump laser, whose pulse repetition rate and duty cycle are adjustable. Active pulse shaping is applied to minimize the relaxation spike at the leading edge of the pulses. A reduction in pulse width and conversion efficiency from 1120 to 1178 nm is observed in the backwardly pumped Raman fiber amplifier due to the pump pulse transition effect. A 589 nm laser pulsed at a 350 kHz repetition rate and 20% duty cycle with average power up to 17 W is demonstrated as an operation example intended for a geomagnetic field of 0.5 G.
SubtypeArticle
Department空间
DOI10.1364/OL.42.004351
Funding OrganizationNational Natural Science Foundation of China (NSFC) [61378026, 61575210] ; National Natural Science Foundation of China (NSFC) [61378026, 61575210] ; National Natural Science Foundation of China (NSFC) [61378026, 61575210] ; National Natural Science Foundation of China (NSFC) [61378026, 61575210]
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China (NSFC) [61378026, 61575210] ; National Natural Science Foundation of China (NSFC) [61378026, 61575210] ; National Natural Science Foundation of China (NSFC) [61378026, 61575210] ; National Natural Science Foundation of China (NSFC) [61378026, 61575210]
WOS IDWOS:000414097200029
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.siom.ac.cn/handle/181231/28424
Collection空间激光信息技术研究中心
Corresponding Authorzhangl@siom.ac.cn; feng@siom.ac.cn
Affiliation中国科学院上海光学精密机械研究所
Recommended Citation
GB/T 7714
Yang, Xuezong,Zhang, Lei,Cui, Shuzhen,et al. Sodium guide star laser pulsed at Larmor frequency[J]. Opt. Lett.,2017,42(21):4351.
APA Yang, Xuezong.,Zhang, Lei.,Cui, Shuzhen.,Fan, Tingwei.,Dong, Jinyan.,...&feng@siom.ac.cn.(2017).Sodium guide star laser pulsed at Larmor frequency.Opt. Lett.,42(21),4351.
MLA Yang, Xuezong,et al."Sodium guide star laser pulsed at Larmor frequency".Opt. Lett. 42.21(2017):4351.
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