Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: May 17, 2026

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

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

Published on: September 30, 2019

Fiber-optic bending vector sensor based on Mach-Zehnder interferometer exploiting lateral-offset and up-taper.

Shanshan Zhang¹, Weigang Zhang, Shecheng Gao

¹Key Laboratory of Optical Information Science and Technology, Ministry of Education, Institute of Modern Optics, Nankai University, Tianjin, China.

|November 2, 2012

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

Preoperative low-dose dexmedetomidine reduces postoperative delirium in elderly patients with hip fracture under spinal anesthesia: A randomized, double blind, controlled clinical study.

Journal of clinical anesthesia·2025

Same author

Molecular identification of tick (Acari: Ixodidae) and tick-borne pathogens from Przewalski's gazelle (Procapra Przewalskii) and Tibetan sheep (Ovis aries) in Qinghai Lake National Nature Reserve, China.

Heliyon·2024

Same author

The impact of bloodmeal and geographic region on the richness, diversity, and function of internal microbial community in <i>Haemaphysalis qinghaiensis</i> from the Qinghai province, China.

Heliyon·2024

Same author

Effect of postoperative ultrasound-guided internal superior laryngeal nerve block on sore throat after intubation of double-lumen bronchial tube: a randomized controlled double-blind trial.

BMC anesthesiology·2022

Same author

Potassium Channel Protein KCNK6 Promotes Breast Cancer Cell Proliferation, Invasion, and Migration.

Frontiers in cell and developmental biology·2021

Same author

Aberrant MCM10 SUMOylation induces genomic instability mediated by a genetic variant associated with survival of esophageal squamous cell carcinoma.

Clinical and translational medicine·2021

This study introduces a compact optical fiber sensor for measuring bending direction and magnitude. The novel sensor design achieves high sensitivity, enabling precise bending vector measurements.

Area of Science:

Optoelectronics
Fiber Optics Sensors
Interferometry

Background:

Optical fiber sensors offer advantages in remote and harsh environment sensing.
Mach-Zehnder interferometers are sensitive to external perturbations.
Directional bending measurement in optical fibers remains a challenge.

Purpose of the Study:

To develop a simple, compact, and highly sensitive optical fiber sensor.
To enable directional bending vector measurement using optical fiber.
To investigate the performance of a novel fiber optic bend sensor.

Main Methods:

Fabrication of a sensor using lateral-offset splicing and excessive fusion splicing.
Utilizing a Mach-Zehnder interferometer transmission spectrum.

More Related Videos

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Implementation of a Reference Interferometer for Nanodetection

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Related Experiment Videos

Last Updated: May 17, 2026

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

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

Published on: September 30, 2019

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response

Published on: January 7, 2019

Implementation of a Reference Interferometer for Nanodetection

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Analyzing the differential bending response along defined directions.

Main Results:

The sensor successfully breaks cylindrical symmetry, enabling directional sensing.
High bending sensitivities of 11.987 nm/m⁻¹ and 8.697 nm/m⁻¹ were achieved at specific wavelengths.
The sensor demonstrated performance within a curvature range of -3 to 3 m⁻¹.

Conclusions:

A novel optical fiber directional bend sensor has been successfully demonstrated.
The proposed sensor architecture is simple, compact, and highly sensitive.
This technology holds potential for advanced bending vector measurement applications.