Ultra-low Background Raman Sensing Using a Negative-curvature Fibre

• DOI: 10.1364/sof.2018.sow3h.2
• Publication Date: 2018-06-28T20:33:03Z
• Authors: S. Yerolatsitis; F. Yu; S. McAughtrie; M. G. Tanner; H. Fleming; J. M. Stone; C. J. Campbell; T. A. Birks; J. C. Knight
• Keywords: Negative curvature

We demonstrated hollow core negative curvature fibres (NCFs) for Raman sensing. The background emission from the silica in NCF was at least 1000× smaller than a conventional solid fibre while maintaining same collection efficiency.