ArticleJournal of biophotonics2019
Ultra-low background Raman sensing using a negative-curvature fibre and no distal optics.
Article in Journal of biophotonics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 28 citations in OpenAlex.
- Microlens Hollow-Core Fiber Probes for Operando Raman Spectroscopy.ACS photonics · 2024Article
- Optical Fiber Probe with Integrated Micro-Optical Filter for Raman and Surface-Enhanced Raman Scattering Sensing.Nanomaterials (Basel, Switzerland) · 2024Article
- In-situ background-free Raman probe using double-cladding anti-resonant hollow-core fibers.Biomedical optics express · 2024Article
- Review: Emerging Eye-Based Diagnostic Technologies for Traumatic Brain Injury.IEEE reviews in biomedical engineering · 2023Review
- Micro-Lensed Negative-Curvature Fibre Probe for Raman Spectroscopy.Sensors (Basel, Switzerland) · 2021Article
- Microfluidic Raman Sensing Using a Single Ring Negative Curvature Hollow Core Fiber.Biosensors · 2021Article
- A Miniature Fibre-Optic Raman Probe Fabricated by Ultrafast Laser-Assisted Etching.Micromachines · 2020Article
- Ultra-low background Raman sensing using a negative-curvature fibre and no distal optics.Journal of biophotonics · 2019Article
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Measuring Raman spectra through an optical fibre is usually complicated by the high intrinsic Raman scatter of the fibre material. Common solutions such as the use of multiple fibres and distal optics are complex and bulky. We demonstrate the use of single novel hollow-core negative-curvature fibres (NCFs) for Raman and surface-enhanced Raman spectroscopy (SERS) sensing using no distal optics. The background Raman emission from the silica in the NCF was at least 1000× smaller than in a conventional solid fibre, while maintaining the same collection efficiency. We transmitted pump light from a 785-nm laser through the NCF, and we collected back the weak Raman spectra of different distal samples, demonstrating the fibre probe can be used for measurements of weak Raman and SERS signals that would otherwise overlap spectrally with the silica background. The lack of distal optics and consequent small probe diameter (<0.25 mm) enable applications that were not previously possible.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.