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 Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Improved phase retrieval method for system simplification or fading suppression in interferometer-based φOTDR systems.

Optics express·2026
Same author

Blast-Assisted Subsurface Characterisation Using a Novel Distributed Acoustic Sensing Setup Based on Geometric Phases.

Sensors (Basel, Switzerland)·2024
Same author

Machine Learning Approaches in Brillouin Distributed Fiber Optic Sensors.

Sensors (Basel, Switzerland)·2023
Same author

Machine learning assisted BOFDA for simultaneous temperature and strain sensing in a standard optical fiber.

Optics express·2023
Same author

Laser source frequency drift compensation in Φ-OTDR systems using multiple probe frequencies.

Optics express·2022
Same author

Geometric phase in distributed fiber optic sensing.

Optics letters·2022

Related Experiment Video

Updated: Aug 9, 2025

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

10.0K

Phase-sensitive optical time domain reflectometry based on geometric phase measurement.

Sabahat Shaheen1, Konstantin Hicke2, Katerina Krebber2

  • 1Bundesanstalt für Materialforschung und -prüfung (BAM), Unter den Eichen 87, 12205, Berlin, Germany. sabahat.shaheen@bam.de.

Scientific Reports
|February 22, 2023
PubMed
Summary
This summary is machine-generated.

A novel phase-sensitive optical time domain reflectometer uses geometric phase for strain measurement, overcoming polarization fading and phase unwrapping issues. This innovative approach offers a robust solution for accurate strain sensing applications.

More Related Videos

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
06:25

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

8.5K
Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

9.9K

Related Experiment Videos

Last Updated: Aug 9, 2025

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

10.0K
Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
06:25

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

8.5K
Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

9.9K

Area of Science:

  • Optics and Photonics
  • Strain Sensing Technology
  • Metrology

Background:

  • Phase-sensitive optical time domain reflectometry (OTDR) is crucial for distributed strain sensing.
  • Traditional methods suffer from polarization diversity fading and phase unwrapping errors.
  • Existing techniques require complex algorithms or specialized hardware to mitigate these issues.

Purpose of the Study:

  • To report a novel phase-sensitive OTDR system utilizing geometric phase for strain measurement.
  • To demonstrate immunity to polarization mismatch fading and eliminate the need for phase unwrapping.
  • To provide a simplified and robust solution for accurate strain sensing.

Main Methods:

  • Implementation of a phase-sensitive OTDR based on coherent heterodyne detection.
  • Utilizing the geometric phase of the beat signal for strain extraction.
  • Calculating geometric phase from beat signal amplitude and individual beam intensities.

Main Results:

  • The developed system successfully measures strain without polarization diversity fading.
  • The geometric phase method eliminates the requirement for phase unwrapping.
  • Measurements are immune to polarization mismatch between interfering light beams.

Conclusions:

  • A novel phase-sensitive OTDR system based on geometric phase is demonstrated.
  • This approach provides a robust and accurate method for strain measurement.
  • The system offers a significant advancement by overcoming key limitations of existing OTDR techniques.