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

Wearable Smart Fabric Based on Hybrid E-Fiber Sensor for Real-Time Finger Motion Detection.

Polymers·2023
Same author

3D-Printed Soft Pneumatic Robotic Digit Based on Parametric Kinematic Model for Finger Action Mimicking.

Polymers·2022
Same author

A Taper-in-Taper Structured Interferometric Optical Fiber Sensor for Cu<sup>2+</sup> ion Detection.

Sensors (Basel, Switzerland)·2022
Same author

Biomimetic Artificial Joints Based on Multi-Material Pneumatic Actuators Developed for Soft Robotic Finger Application.

Micromachines·2021
Same author

Wearable Physiological Monitoring System Based on Electrocardiography and Electromyography for Upper Limb Rehabilitation Training.

Sensors (Basel, Switzerland)·2020
Same author

Multifunctional Textile Platform for Fiber Optic Wearable Temperature-Monitoring Application.

Micromachines·2019

Related Experiment Video

Updated: Oct 6, 2025

Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
10:28

Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique

Published on: March 24, 2023

1.4K

Opto-Microfluidic Fabry-Perot Sensor with Extended Air Cavity and Enhanced Pressure Sensitivity.

Pengfei Zhang1,2, Chao Wang1, Liuwei Wan1

  • 1The Center for Smart Sensing System (S3), Julong College, Shenzhen Technology University, Shenzhen 518118, China.

Micromachines
|January 21, 2022
PubMed
Summary

This study introduces a novel opto-microfluidic static pressure sensor using a fiber Fabry-Perot Interferometer (FPI) with an extended air cavity. This design significantly enhances sensitivity for precise aquatic pressure measurements.

Keywords:
Fabry-Perot Interferometer (FPI)micro-fluidicoptical fiber sensorstatic pressure sensing

More Related Videos

Fabrication and Testing of Microfluidic Optomechanical Oscillators
09:10

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

12.3K
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

10.9K

Related Experiment Videos

Last Updated: Oct 6, 2025

Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
10:28

Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique

Published on: March 24, 2023

1.4K
Fabrication and Testing of Microfluidic Optomechanical Oscillators
09:10

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

12.3K
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

10.9K

Area of Science:

  • Optoelectronics
  • Microfluidics
  • Sensor Technology

Background:

  • Traditional pressure sensors face limitations in sensitivity and integration within microfluidic systems.
  • Fiber Fabry-Perot Interferometers (FPIs) offer potential for high-sensitivity measurements but require optimization for microfluidic applications.

Purpose of the Study:

  • To propose and demonstrate an opto-microfluidic static pressure sensor with enhanced sensitivity.
  • To leverage an extended air cavity within an FPI for improved pressure detection in microfluidic channels.

Main Methods:

  • Fabrication of an FPI within a microfluidic channel using a single-mode optical fiber and a hydrophobic-coated silica capillary.
  • Construction of the FPI using a fixed fiber-end reflection and a floating liquid surface reflection.
  • Utilizing the spectral shift of the FPI to measure aquatic pressure changes.

Main Results:

  • Demonstrated a pressure sensitivity of approximately 32.4 μm/kPa with a 3500 μm air cavity.
  • Achieved a low temperature cross-sensitivity of about 0.33 kPa/K.
  • The extended air cavity significantly enhanced the sensor's measuring sensitivity.

Conclusions:

  • The proposed opto-microfluidic FPI sensor offers a highly sensitive and viable solution for static pressure measurement.
  • The design utilizing an extended air cavity is effective for boosting sensor performance in microfluidic environments.
  • This technology holds promise for various applications requiring precise aquatic pressure monitoring.