1590-nm-pumped passively Q-switched thulium all-fiber laser at 1900 nm

Tzong-Yow Tsai, Hong Xi Tsao, Chun Lin Huang, Wei Ju Chen

研究成果: Article

5 引文 斯高帕斯(Scopus)

摘要

We propose and demonstrate a passively Q-switched 1900-nm thulium all-fiber laser using the mode-field-area mismatch method. A thulium fiber laser was core-pumped at 1590 nm and saturable-absorber Qswitched at 1900 nm through the use of a thulium saturable absorber fiber that had a relatively smaller mode field area than the gain medium. Sequential pulsing with a pulse energy of 12 μJ and a pulse duration of 160 ns was obtained. The pulse repetition rate was increased linearly with the applied pump power. With a pump power of 4.5 W, an average output power of 0.61 W and a pulse repetition rate of 50.7 kHz were achieved.

原文English
頁(從 - 到)11205-11210
頁數6
期刊Optics Express
23
發行號9
DOIs
出版狀態Published - 2015 五月 4

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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