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 26, 2026

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Refractive index sensor using microfiber-based Mach-Zehnder interferometer.

Jianghai Wo1, Guanghui Wang, Ying Cui

  • 1Huazhong University of Science and Technology, College of Optoelectronic Science and Engineering, Wuhan National Laboratory for Optoelectronics, Wuhan 430074, China.

Optics Letters
|January 4, 2012
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

Reversible coma and elevated central venous pressure: warning signs of acute superior vena cava graft thrombosis following Warden procedure: a case report.

BMC anesthesiology·2026
Same author

SRSF1/Mcl-1 Axis Drives Apoptosis Evasion and Shapes the Immune Microenvironment to Promote Gastric Cancer Progression.

Human mutation·2026
Same author

Application and Molecular Modification of Enzyme in Textile Degumming.

Applied biochemistry and biotechnology·2026
Same author

Nonlinear compensation using a robust neural network for noisy samples in a high-speed coherent optical transceiver.

Optics express·2026
Same author

Triple-valve replacement in repaired tetralogy of fallot patients with mirror-image dextrocardia: a case report.

Journal of cardiothoracic surgery·2026
Same author

Technical Approach for Structural Analysis of an Unknown Compound in Huoxiang Zhengqi Oral Liquid based on Linear Ion Trap Mass Spectrometry.

Journal of visualized experiments : JoVE·2026
Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026
Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026
Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026
Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026
Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026
Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026
See all related articles

A novel refractive index (RI) sensor uses a Mach-Zehnder interferometer with an optical microfiber. This sensor accurately measures ambient RI changes by detecting variations in optical length, achieving high sensitivity.

Area of Science:

  • Optics and Photonics
  • Materials Science

Background:

  • Refractive index (RI) sensing is crucial for various scientific applications.
  • Existing RI sensors may face limitations in sensitivity or robustness.
  • Mach-Zehnder interferometers offer a platform for precise optical measurements.

Purpose of the Study:

  • To demonstrate a simple and robust refractive index sensor.
  • To achieve high RI sensitivity using an optical microfiber.
  • To develop a method for accurate RI demodulation.

Main Methods:

  • Fabrication of a Mach-Zehnder interferometer using a silica optical microfiber.
  • Utilizing the evanescent field of the microfiber to detect RI changes.
  • Incorporating a tunable optical delay line (ODL) to compensate for optical length variations.

More Related Videos

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
07:28

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics
09:54

Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics

Published on: September 10, 2018

Related Experiment Videos

Last Updated: May 26, 2026

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
07:28

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics
09:54

Fabrication of Refractive-index-matched Devices for Biomedical Microfluidics

Published on: September 10, 2018

  • Demodulating the ambient RI by measuring the ODL delay.

    • Main Results:

    • A RI sensor with high sensitivity of approximately 7159 μm/RIU was achieved.
    • The sensor demonstrated robustness and simplicity in its design.
    • The microfiber diameter was optimized to 2.0 μm for enhanced performance.

    Conclusions:

    • The demonstrated Mach-Zehnder interferometer-based RI sensor is effective and highly sensitive.
    • The use of an optical microfiber and ODL provides a reliable method for RI sensing.
    • This technology holds potential for various applications requiring precise RI measurements.