Efficient diode-pumped mid-infrared emission from acetylene-filled hollow-core fiber

Z. Wang, W. Belardi, F. Yu, W.J. Wadsworth, J.C. Knight

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Abstract

We report 3.1-3.2 μm mid-infrared emission from acetylene-filled low loss antiresonant hollow-core fiber pumped with an amplified, modulated, narrowband, tunable 1.5 μm diode laser. The maximum power conversion efficiency of ~30%, with respect to the absorbed pump power, is obtained with a 10.5 m length of fiber at 0.7 mbar. The maximum efficiency with respect to the total incident pump power (~20%) and the minimum pump laser energy required (<50 nJ) are both improved compared to similar work reported previously using an optical parametric oscillator as a pump source. This paper provides an effective route to obtain compact mid-infrared fiber lasers.
Original languageEnglish
Pages (from-to)21872-21878
Number of pages7
JournalOptics Express
Volume22
Issue number18
DOIs
Publication statusPublished - 8 Sep 2014

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acetylene
hollow
diodes
pumps
fibers
parametric amplifiers
infrared lasers
fiber lasers
narrowband
semiconductor lasers
routes
lasers
energy

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Efficient diode-pumped mid-infrared emission from acetylene-filled hollow-core fiber. / Wang, Z.; Belardi, W.; Yu, F.; Wadsworth, W.J.; Knight, J.C.

In: Optics Express, Vol. 22, No. 18, 08.09.2014, p. 21872-21878.

Research output: Contribution to journalArticle

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