Cavity-based mid-IR fiber gas laser pumped by a diode laser

Muhammad Rosdi Abu Hassan, Fei Yu, William J. Wadsworth, Jonathan C. Knight

Research output: Contribution to journalLetter

58 Citations (Scopus)

Abstract

Mid-infrared (IR) lasers are currently an area of rapid development, with several competing technologies. In traditional gas lasers, the effective interaction length is limited and the system as a whole is bulky and inflexible, limiting their applications. Standard gain fibers cannot be used in the mid-IR because the glass forming the fiber core is not transparent at these longer wavelengths. In this Letter, we report the demonstration of a mid-IR fiber gas laser using feedback in an optical cavity. The laser uses acetylene gas in a high-performance silica hollow-core fiber as the gain medium, and lases either continuous wave or synchronously pumped when pumped by telecom-wavelength diode lasers. We have demonstrated lasing on a number of transitions in the spectral band of 3.1–3.2 μm. The system could be extended to other selected molecular species to generate output in the spectral band up to 5 μm, and it has excellent potential for power scaling.
LanguageEnglish
Pages218-221
Number of pages4
JournalOptica
Volume3
Issue number3
Early online date24 Feb 2016
DOIs
StatusPublished - 20 Mar 2016

Cite this

Cavity-based mid-IR fiber gas laser pumped by a diode laser. / Abu Hassan, Muhammad Rosdi; Yu, Fei; Wadsworth, William J.; Knight, Jonathan C.

In: Optica, Vol. 3, No. 3, 20.03.2016, p. 218-221.

Research output: Contribution to journalLetter

Abu Hassan, Muhammad Rosdi ; Yu, Fei ; Wadsworth, William J. ; Knight, Jonathan C. / Cavity-based mid-IR fiber gas laser pumped by a diode laser. In: Optica. 2016 ; Vol. 3, No. 3. pp. 218-221.
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