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 9, 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

Sensitivity improvement of micro-grating accelerometer based on differential detection method.

Xiao Wang1, Lishuang Feng, Baoyin Yao

  • 1Key Laboratory on Inertial Science and Technology, Beihang University, Beijing, China. dogno@aspe.buaa.edu.cn

Applied Optics
|July 12, 2013
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

A Bi-objective Array Optimization Framework for Magnetocardiographic Source Imaging.

IEEE transactions on bio-medical engineering·2026
Same author

High-efficiency co-registration of OPM-MEG and MRI using point cloud processing.

Optics express·2025
Same author

Thin-film lithium niobate multi-channel multifunctional photonic integrated chip for interferometric optical gyroscope.

Optics express·2025
Same author

Wide-field fluorescence navigation system for efficient miniature multiphoton imaging in freely behaving animals.

Neurophotonics·2025
Same author

A Novel Adaptive Independent Component Analysis Method for Multi-Channel Optically Pumped Magnetometers' Magnetocardiography Signals.

Biosensors·2025
Same author

Exploiting the combined dynamic and geometric phases for optical vortex beam generation using metasurfaces.

Nanophotonics (Berlin, Germany)·2025

A novel differential detection method (DDM) enhances micro-grating accelerometers by reducing noise and improving sensitivity. This technique offers a practical solution for more accurate acceleration measurements.

Area of Science:

  • Microelectromechanical systems (MEMS)
  • Optical sensing technologies
  • Instrumentation and measurement

Background:

  • Micro-grating accelerometers are susceptible to common-mode noise, limiting their sensitivity and accuracy.
  • Existing detection methods often struggle to achieve high sensitivity and robust noise reduction simultaneously.

Purpose of the Study:

  • To develop and validate a differential detection method (DDM) for micro-grating accelerometers.
  • To significantly reduce common-mode noise and enhance the sensitivity of these accelerometers.

Main Methods:

  • Theoretical modeling based on scalar diffraction theory for differential detection.
  • Simulation and analysis of the DDM to predict performance improvements.
  • Fabrication of a micro-grating acceleration sensor using inductively coupled plasma, lift-off, and anodic bonding.

More Related Videos

Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
15:25

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Published on: February 4, 2018

Related Experiment Videos

Last Updated: May 9, 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

Data Acquisition Protocol for Determining Embedded Sensitivity Functions
07:46

Data Acquisition Protocol for Determining Embedded Sensitivity Functions

Published on: April 20, 2016

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
15:25

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Published on: February 4, 2018

  • Design and implementation of a detection circuit for a handheld experimental prototype.
  • Experimental validation using a turntable setup.

    • Main Results:

    • Theoretical analysis predicted a sensitivity improvement of at least a factor of 2.
    • Experimental results demonstrated a micro-grating accelerometer sensitivity of 18.61 V/g using DDM, over a two-fold increase compared to single-order methods (6.797 V/g and 7.767 V/g).
    • An overall signal-to-noise ratio improvement of 6.47 dB was achieved at an input of 0.86 g.

    Conclusions:

    • The differential detection method (DDM) is a practical and effective approach for improving micro-grating accelerometer performance.
    • DDM significantly enhances sensitivity and reduces noise, making it suitable for high-precision acceleration sensing applications.
    • The developed prototype validates the DDM's potential for real-world applications requiring accurate motion detection.