Flexible single-mode delivery of a high-power 2 μm pulsed laser using an antiresonant hollow-core fiber

Elizabeth Lee; Jiaqi Luo; Biao Sun; Vincent Ramalingam; Ying Zhang; Qijie Wang; Fei Yu; Xia Yu

doi:10.1364/OL.43.002732

Flexible single-mode delivery of a high-power 2 μm pulsed laser using an antiresonant hollow-core fiber

Elizabeth Lee, Jiaqi Luo, Biao Sun, Vincent Ramalingam, Ying Zhang, Qijie Wang, Fei Yu, Xia Yu

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

We demonstrate flexible single-mode transmission of a high average power 2 μm nanosecond pulse using antiresonant hollow-core fibers (AR-HCFs). 39.1 W average power is delivered using a coiled 1.7 m AR-HCF, which is designed for single-mode guidance and good higher-order mode suppression. The effect of bending on the fiber output power and beam profile is also investigated. The Gaussian-like output beam profile is maintained up to a 7.5 cm bending radius. This is the highest average power delivered by a flexible long HCF in this wavelength without the need for an enclosed controlled environment, to the best of our knowledge.

Original language	English
Pages (from-to)	2732-2735
Number of pages	4
Journal	Optics Letters
Volume	43
Issue number	12
DOIs	https://doi.org/10.1364/OL.43.002732
Publication status	Published - 15 Jun 2018

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Flexible single-mode delivery of a high-power 2 μm pulsed laser using an antiresonant hollow-core fiber",

abstract = "We demonstrate flexible single-mode transmission of a high average power 2 μm nanosecond pulse using antiresonant hollow-core fibers (AR-HCFs). 39.1 W average power is delivered using a coiled 1.7 m AR-HCF, which is designed for single-mode guidance and good higher-order mode suppression. The effect of bending on the fiber output power and beam profile is also investigated. The Gaussian-like output beam profile is maintained up to a 7.5 cm bending radius. This is the highest average power delivered by a flexible long HCF in this wavelength without the need for an enclosed controlled environment, to the best of our knowledge.",

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AU - Lee, Elizabeth

AU - Luo, Jiaqi

AU - Sun, Biao

AU - Ramalingam, Vincent

AU - Zhang, Ying

AU - Wang, Qijie

AU - Yu, Fei

AU - Yu, Xia

PY - 2018/6/15

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