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

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)11205-11210
Number of pages6
JournalOptics Express
Volume23
Issue number9
DOIs
Publication statusPublished - 2015 May 4

Fingerprint

thulium
fiber lasers
pulse repetition rate
absorbers
pumps
pulse duration
fibers
output
pulses
energy

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Tsai, Tzong-Yow ; Tsao, Hong Xi ; Huang, Chun Lin ; Chen, Wei Ju. / 1590-nm-pumped passively Q-switched thulium all-fiber laser at 1900 nm. In: Optics Express. 2015 ; Vol. 23, No. 9. pp. 11205-11210.
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1590-nm-pumped passively Q-switched thulium all-fiber laser at 1900 nm. / Tsai, Tzong-Yow; Tsao, Hong Xi; Huang, Chun Lin; Chen, Wei Ju.

In: Optics Express, Vol. 23, No. 9, 04.05.2015, p. 11205-11210.

Research output: Contribution to journalArticle

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