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

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

doi:10.1364/OE.22.021872

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

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

National University of Defense Technology

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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 language	English
Pages (from-to)	21872-21878
Number of pages	7
Journal	Optics Express
Volume	22
Issue number	18
Early online date	2 Sept 2014
DOIs	https://doi.org/10.1364/OE.22.021872
Publication status	Published - 8 Sept 2014

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10.1364/OE.22.021872

oe-22-18-21872
This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OE.22.021872 Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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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. ",

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AU - Knight, J.C.

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AB - 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.

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

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New Fibres for New Lasers

Jonathan Knight

William Wadsworth

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

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Jonathan Knight

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