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

Parallel Resonance01:23

Parallel Resonance

176
The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
176
Characteristics of Series Resonant Circuit01:24

Characteristics of Series Resonant Circuit

199
Series resonance occurs in a circuit containing inductive (L), capacitive (C), and resistive (R) elements connected sequentially. At the resonance frequency, the inductive and capacitive reactances are equal in magnitude but opposite in sign, effectively canceling each other. This causes the circuit's impedance is minimal, primarily determined by the resistance R. The resonant frequency of an RLC circuit is defined as:
199
Sound Waves: Resonance01:14

Sound Waves: Resonance

2.5K
Resonance is produced depending on the boundary conditions imposed on a wave. Resonance can be produced in a string under tension with symmetrical boundary conditions (i.e., has a node at each end). A node is defined as a fixed point where the string does not move. The symmetrical boundary conditions result in some frequencies resonating and producing standing waves, while other frequencies interfere destructively. Sound waves can resonate in a hollow tube, and the frequencies of the sound...
2.5K
Series Resonance01:17

Series Resonance

140
The RLC circuit impedance is defined as the ratio of the supply voltage to the circuit current. Resonance in such a circuit occurs when the imaginary part of this impedance equals zero. This specific condition means that the inductive reactance is exactly equal to the capacitive reactance. The frequency at which this happens is known as the resonant frequency. Mathematically, the resonant frequency is inversely proportional to the square root of the product of the inductance (L) and capacitance...
140
Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

165
Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
165
Concept of Resonance and its Characteristics01:19

Concept of Resonance and its Characteristics

5.0K
If a driven oscillator needs to resonate at a specific frequency, then very light damping is required. An example of light damping includes playing piano strings and many other musical instruments. Conversely, to achieve small-amplitude oscillations as in a car's suspension system, heavy damping is required. Heavy damping reduces the amplitude, but the tradeoff is that the system responds at more frequencies. Speed bumps and gravel roads prove that even a car's suspension system is not...
5.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Accelerated algal-bacterial granulation through synergistic physical-ionic stimulation: start-up efficiency and mechanistic insights.

Bioresource technology·2026
Same author

Transcriptome and Metabolome Analyses Reveal the Molecular Relationship Between Dietary Crude Protein Level and Liver Metabolism in Fattening Hu Sheep.

Metabolites·2026
Same author

A capacitive-piezoelectric hybrid MEMS microphone with signal fusion for enhancing signal-to-noise ratio.

Microsystems & nanoengineering·2026
Same author

Fiber Waveguide Photoactuator for Long-Distance Polyarticular Manipulation.

ACS nano·2026
Same author

Mechanistic insights into Fe<sub>2</sub>O<sub>3</sub>-mediated directional electron transfer driving anaerobic microbial interactions for enhanced 4-chlorophenol degradation.

Journal of hazardous materials·2026
Same author

BDSet: A First-ever BDS Satellite-based PPP Augmentation Dataset Since 2023.

Scientific data·2026

Related Experiment Video

Updated: May 16, 2025

Fabrication and Characterization of Superconducting Resonators
10:26

Fabrication and Characterization of Superconducting Resonators

Published on: May 21, 2016

10.4K

Virtually coupled resonators with modal dominance for improved sensitivity and bandwidth.

Zhao Zhang1, Han Li1, Cheng Hou1

  • 1Ministry of Education Key Laboratory of Micro and Nano Systems for Aerospace, School of Mechanical Engineering, Northwestern Polytechnical University, 710072, Xi'an, China.

Microsystems & Nanoengineering
|April 3, 2025
PubMed
Summary

This study introduces modal dominance and virtually coupled resonators for enhanced sensor sensitivity. Virtual coupling achieves high performance without physical links, improving amplitude ratio sensitivity and bandwidth.

More Related Videos

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

16.9K
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

6.1K

Related Experiment Videos

Last Updated: May 16, 2025

Fabrication and Characterization of Superconducting Resonators
10:26

Fabrication and Characterization of Superconducting Resonators

Published on: May 21, 2016

10.4K
Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

16.9K
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

6.1K

Area of Science:

  • Physics
  • Engineering
  • Sensor Technology

Background:

  • Mode-localized sensors offer high sensitivity and common-mode noise rejection.
  • Sensitivity stems from energy confinement in weakly coupled resonators, but confinement mechanisms are underexplored.

Purpose of the Study:

  • To analyze energy confinement mechanisms in weakly coupled resonators.
  • To propose and validate a novel concept of virtually coupled resonators for improved sensor performance.

Main Methods:

  • Qualitative and quantitative analysis of energy confinement, introducing the concept of modal dominance.
  • Development of virtually coupled resonators using frequency offset instead of physical coupling.
  • Implementation of a double-closed-loop control scheme for enhanced bandwidth.

Main Results:

  • Modal dominance explains energy confinement by internal resonator frequencies.
  • Virtually coupled resonators achieve comparable amplitude ratio output to weakly coupled ones.
  • Experimental validation shows a 2.7-fold increase in amplitude ratio sensitivity and a 4-fold bandwidth enhancement.

Conclusions:

  • Modal dominance is key to spatial energy confinement in resonators.
  • Virtually coupled resonators offer a novel, effective approach to sensor design.
  • The proposed control scheme significantly boosts sensitivity and bandwidth, outperforming traditional methods.