High-Repetition-Rate MHz Acoustooptic [Formula Omitted]-Switched Fiber Laser

High-Repetition-Rate MHz Acoustooptic [Formula Omitted]-Switched Fiber Laser

A simple actively Q-switched double-clad fiber laser combining an amplifying cavity is reported by using a dynamic acoustooptic Q-switching as a beam splitter. Sub-100-ns pulses independence of the repetition rate of acoustooptic modulator are almost changeless with repetition rate varied from 50 kH...

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Veröffentlicht in:IEEE photonics technology letters 2008-06, Vol.20 (12), p.1009-1011
Hauptverfasser: Zhao, Hongming, Lou, Qihong, Zhou, Jun, Zhang, Fangpei, Dong, Jingxing, Wei, Yunrong, Wu, Guohua, Yuan, Zhijun, Fang, Zujie, Wang, Zhijiang
Format: Artikel
Sprache:eng
Schlagworte:
Acoustooptics
Amplification
Beam splitters
Fiber lasers
Holes
Modulators
Pulse duration
Repetition
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Beschreibung
Zusammenfassung:A simple actively Q-switched double-clad fiber laser combining an amplifying cavity is reported by using a dynamic acoustooptic Q-switching as a beam splitter. Sub-100-ns pulses independence of the repetition rate of acoustooptic modulator are almost changeless with repetition rate varied from 50 kHz to 1.5 MHz. With 4.5-W absorbed power, 9.4-W peak-power pulses at 1.5-MHz repetition rate with 75-ns pulse duration are generated.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2008.923780