Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Optical frequency-domain reflectometry for microbend sensor demodulation.

S G Pierce1, A MacLean, B Culshaw

  • 1Department of Electronic and Electrical Engineering, University of Strathclyde, 204 George Street, Glasgow, Scotland G1 1XW, United Kingdom.

Applied Optics
|March 20, 2008
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Canadian Surgery Forum: Abstracts of presentations to the Annual Meetings of the Canadian Association of Bariatric Physicians and Surgeons, Canadian Association of General Surgeons, Canadian Association of Thoracic Surgeons, Canadian Hepato-Pancreato-Biliary Association, Canadian Society of Surgical Oncology, Canadian Society of Colon and Rectal Surgeons, Vancouver, BC, Sept. 17-21, 2013.

Canadian journal of surgery. Journal canadien de chirurgie·2025
Same author

The effect of pre-analytical variables on downstream application and data analysis of human endometrial biopsies.

Human reproduction open·2022
Same author

Canadian Surgery Forum 2018: St. John's, NL Sept. 13-15, 2018.

Canadian journal of surgery. Journal canadien de chirurgie·2022
Same author

Canadian Surgery Forum: Abstracts of presentations to the Annual Meetings of the Canadian Association of Bariatric Physicians and Surgeons, Canadian Association of General Surgeons, Canadian Association of Thoracic Surgeons, Canadian Hepato-Pancreato-Biliary Society, Canadian Society of Surgical Oncology, Canadian Society of Colon and Rectal Surgeons, London, Ont. Sept. 15-18, 2011.

Canadian journal of surgery. Journal canadien de chirurgie·2022
Same author

2021 Canadian Surgery Forum: Virtual, online Sept. 21-24, 2021.

Canadian journal of surgery. Journal canadien de chirurgie·2022
Same author

Phosphate stress triggers the conversion of glycerol into l-carnitine in Pseudomonas fluorescens.

Microbiological research·2021
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

This study presents an incoherent optical frequency-domain reflectometer for monitoring multimode optical fibers. The system effectively detects and locates fiber loss, offering an alternative to traditional methods.

Area of Science:

  • Optical Engineering
  • Fiber Optics Communications
  • Sensing Technologies

Background:

  • Multimode optical fibers are crucial for data transmission but susceptible to loss.
  • Traditional monitoring techniques like optical time-domain reflectometry have limitations.
  • Continuous Rayleigh backscatter monitoring is essential for fiber integrity.

Purpose of the Study:

  • To present an incoherent optical frequency-domain reflectometer (iOFDR) for multimode fiber monitoring.
  • To develop and validate a model for predicting beat frequencies in the iOFDR system.
  • To demonstrate the system's sensitivity to microbending loss and its application in water-sensing cables.

Main Methods:

  • Development of a predictive model for beat frequencies under frequency-swept amplitude modulation.

Related Experiment Videos

  • Experimental verification of the model using graded-index multimode optical fibers of varying lengths.
  • Demonstration of microbending loss detection, including in a hydrogel-based water-sensing cable.

    • Main Results:

    • A validated model accurately predicts beat frequencies and modulation depth indices.
    • The iOFDR system successfully detects and locates sections of increased loss in multimode fibers.
    • Sensitivity to microbending loss was demonstrated, enabling alternative interrogation methods.

    Conclusions:

    • The incoherent optical frequency-domain reflectometer is effective for detecting and locating loss in multimode optical fibers.
    • The developed model provides accurate predictions for system performance.
    • The system offers a viable alternative to conventional techniques for specific sensing applications.