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 Video

Updated: May 20, 2026

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
08:23

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

Published on: September 30, 2019

Dual-modulation fiber Fabry-Perot interferometer with double reflection for slowly-varying displacements.

H C Seat1, P Chawah, M Cattoen

  • 1CNRS, LAAS, F-31077 Toulouse, France. seat@enseeiht.fr

Optics Letters
|July 25, 2012
PubMed
Summary

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

Implementation of a peer health navigator program for patients at risk of frequent hospitalisation.

BMC geriatrics·2026
Same author

Analysis of challenging mammographic cases demonstrates subtle reader group discrepancies.

Radiography (London, England : 1995)·2025
Same author

Partial mycoheterotrophy in Apostasia wallichii, an early-diverging Asian tropical orchid.

Plant biology (Stuttgart, Germany)·2025
Same author

QMAC-dRAST for direct testing of antibiotic susceptibility in positive blood-culture broth: a comparison with the BD Phoenix<sup>®</sup> system and the disc diffusion method.

JAC-antimicrobial resistance·2024
Same author

An initial exploration of factors that may impact radiographer performance in reporting mammograms.

Radiography (London, England : 1995)·2024
Same author

CFD and statistical approach to optimize the average air velocity and air volume fraction in an inert-particles spouted-bed reactor (IPSBR) system.

Heliyon·2021

A novel fiber optic sensor uses dual-amplitude modulation in a Fabry-Perot interferometer to precisely measure various displacements. This technique offers high resolution for geophysical applications.

Area of Science:

  • Optics and Photonics
  • Sensor Technology
  • Geophysical Instrumentation

Background:

  • Fiber optic sensors offer remote and precise measurement capabilities.
  • Fabry-Perot interferometers are sensitive optical devices.
  • Accurate displacement measurement is crucial for geophysical monitoring.

Purpose of the Study:

  • To introduce a dual-amplitude modulation technique for fiber optic displacement sensors.
  • To enhance the measurement capabilities of extrinsic fiber Fabry-Perot interferometers.
  • To enable precise measurement of periodic, nonperiodic, and quasi-static displacements.

Main Methods:

  • Incorporation of a dual-amplitude modulation scheme into a fiber Fabry-Perot interferometer.
  • Simultaneous maintenance of interference signal pair in quadrature.

More Related Videos

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-P&#233;rot Etalon
07:22

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Published on: February 3, 2023

A Multimodal Wide-Field Fourier-Transform Raman Microscope
06:48

A Multimodal Wide-Field Fourier-Transform Raman Microscope

Published on: December 30, 2025

Related Experiment Videos

Last Updated: May 20, 2026

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
08:23

A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

Published on: September 30, 2019

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-P&#233;rot Etalon
07:22

Fabrication of a Low-Cost, Fiber-Coupled, and Air-Spaced Fabry-Pérot Etalon

Published on: February 3, 2023

A Multimodal Wide-Field Fourier-Transform Raman Microscope
06:48

A Multimodal Wide-Field Fourier-Transform Raman Microscope

Published on: December 30, 2025

  • Software-based control and phase demodulation for quasi-real-time measurements and sensor alignment.

    • Main Results:

    • The developed sensor system measures displacements with a resolution better than 2.2 nm.
    • The system operates effectively in the low frequency range from 10(-3) to ~500 Hz.
    • The modulation scheme provides a reference signal for sub-wavelength displacements.

    Conclusions:

    • The dual-amplitude modulation technique enhances fiber Fabry-Perot interferometer performance for displacement sensing.
    • The sensor system is suitable for quasi-real-time measurements and facilitates sensor alignment.
    • The high-resolution sensor is targeted for applications in geophysics.