Single-mode solarization-free hollow-core fiber for ultraviolet pulse delivery

Fei Yu, Maria Cann, Adam Brunton, William Wadsworth, Jonathan Knight

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

In this paper, we report anti-resonant silica hollow-core fibers (AR-HCFs) for solarization-free ultraviolet (UV) pulse transmission. The new fibers reported have lower attenuation than any previous HCFs for this spectral range. We report a single fiber that guides over a part of the UV-C and the whole of the UV-A spectral regions in adjacent transmission bands. A second AR-HCF is used for delivery of 17 nanosecond laser pulses at 266 nm at 30 kHz repetition rate. The fiber maintained a constant transmission, free of silica fluorescence and solarization-induced fiber degradation while delivering 0.46 μJ pulses for a period of over one hour. By direct comparison, we demonstrate that the single-mode AR-HCF significantly outperforms commercially-available high-OH and solarization-resistant silica multimode fibers for pulsed light delivery in this spectral range.
LanguageEnglish
Pages10879-10887
Number of pages9
JournalOptics Express
Volume26
Issue number8
DOIs
StatusPublished - 13 Apr 2018

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hollow
delivery
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silicon dioxide
repetition
attenuation
degradation
fluorescence
lasers

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Single-mode solarization-free hollow-core fiber for ultraviolet pulse delivery. / Yu, Fei; Cann, Maria; Brunton, Adam; Wadsworth, William; Knight, Jonathan.

In: Optics Express, Vol. 26, No. 8, 13.04.2018, p. 10879-10887.

Research output: Contribution to journalArticle

Yu, Fei ; Cann, Maria ; Brunton, Adam ; Wadsworth, William ; Knight, Jonathan. / Single-mode solarization-free hollow-core fiber for ultraviolet pulse delivery. In: Optics Express. 2018 ; Vol. 26, No. 8. pp. 10879-10887.
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