Fabrication of air-clad fibers for near-IR laser application

Debashri Ghosh, Arindam Halder, Mrinmay Pal, Mukul C. Paul, Shyamal K. Bhadra, Ajoy Kumar Kar, Henry Bookey

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Abstract

We report the fabrication of ytterbium (Yb)-sensitized thulium (Tm)-doped air-clad fibers for near-IR laser applications. The effect of change in the concentration ratio of Yb and Tm was studied using three such fibers, which were pumped with a 980 nm laser diode and subsequently characterized to test their lasing properties. Lasing at around the 2 mu m wavelength was obtained using a simple cavity design, and improved performance was seen for increased Yb: Tm ratio. (C) 2011 Optical Society of America

Original languageEnglish
Pages (from-to)E1-E6
Number of pages6
JournalApplied Optics
Volume50
Issue number25
DOIs
Publication statusPublished - 1 Sep 2011

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