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Sensing with Hollow-Core Photonic-Crystal Fibers

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Optical Sensors".

Deadline for manuscript submissions: closed (15 January 2023) | Viewed by 3060

Special Issue Editors


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Guest Editor
GPPMM Group, XLIM Institute, CNRS UMR 7252, University of Limoges, 87060 Limoges, France
Interests: fiber optics; hollow-core fibers; photonic–crystal fibers; fiber sensors

E-Mail Website
Guest Editor
GPPMM Group, XLIM Institute, CNRS UMR 7252, University of Limoges, 87060 Limoges, France
Interests: optical fiber; hollow-core PCF; laser source; plasma photonics; nanomaterials; nonlinear effects
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Specialty Optical Fibers and Sensing Laboratory, Gleb Wataghin Physics Institute, State University of Campinas, Campinas 13083-970, Brazil
Interests: fiber optics; photonic crystal fibers; fiber sensors; microstructured polymer optical fibers; teaching optics

Special Issue Information

Dear Colleagues,

The recent achievements in the hollow-core photonic–crystal fibers field consolidate them as an enabling technology for a myriad of applications. In this framework, sensing is one of the domains which directly profits from hollow-core fiber science and technology developments. This Special Issue aims to assemble the new advances in hollow-core photonic–crystal fibers-based sensors and publish the most recent theoretical and experimental results in the field. 

Dr. Jonas H. Osório
Dr. Frédéric Gérôme
Prof. Dr. Cristiano M. B. Cordeiro
Guest Editors

Manuscript Submission Information

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Keywords

  • hollow-core fibers
  • photonic–crystal fibers
  • fiber optics
  • fiber sensors
  • fiber design
  • sensing

Published Papers (1 paper)

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Research

9 pages, 5226 KiB  
Communication
Micro-Lensed Negative-Curvature Fibre Probe for Raman Spectroscopy
by Karolina Milenko, Stephanos Yerolatsitis, Astrid Aksnes, Dag Roar Hjelme and James M. Stone
Sensors 2021, 21(24), 8434; https://0-doi-org.brum.beds.ac.uk/10.3390/s21248434 - 17 Dec 2021
Cited by 3 | Viewed by 2358
Abstract
We developed a novel miniature micro-lensed fibre probe for Raman spectroscopy. The fibre probe consists of a single negative-curvature fibre (NCF) and a spliced, cleaved, micro-lensed fibre cap. Using a single NCF, we minimized the Raman background generated from the silica and maintained [...] Read more.
We developed a novel miniature micro-lensed fibre probe for Raman spectroscopy. The fibre probe consists of a single negative-curvature fibre (NCF) and a spliced, cleaved, micro-lensed fibre cap. Using a single NCF, we minimized the Raman background generated from the silica and maintained the diameter of the probe at less than 0.5 mm. In addition, the cap provided fibre closure by blocking the sample from entering the hollow parts of the fibre, enabling the use of the probe in in vivo applications. Moreover, the micro-lensed cap offered an improved collection efficiency (1.5-times increase) compared to a cleaved end-cap. The sensing capabilities of the micro-lensed probe were demonstrated by measuring different concentrations of glucose in aqueous solutions. Full article
(This article belongs to the Special Issue Sensing with Hollow-Core Photonic-Crystal Fibers)
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