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

Magnetic Vector Potential01:15

Magnetic Vector Potential

In electrostatics, the electric field can be written as the negative gradient of the potential. In magnetostatics, the zero divergence of the magnetic field ensures that the magnetic field can be expressed as the curl of a vector potential. This potential is known as the magnetic vector potential.
Consider an ideal solenoid with n turns per unit length and radius R. If I is the current through the solenoid, the magnetic field inside the solenoid is expressed as the product of vacuum...
Vibrating Concrete01:19

Vibrating Concrete

Mechanical vibrators are instrumental in compacting newly poured concrete within formwork and around reinforcements. This process is essential to eliminate trapped air pockets and establish a dense concrete mass. One widely used method is vibrating by internal vibrators, often referred to as a poker vibrator or immersion vibrator. It is rapidly inserted through the full depth of the freshly laid concrete and slightly extends into the layer below it (which remains in a plastic state). Consistent...
Electromagnetic Waves01:30

Electromagnetic Waves

James Clerk Maxwell formulated a single theory combining all the electric and magnetic effects scientists knew during that time, calling the phenomena his theory predicted “Electromagnetic waves”. He brought together all the work that had been done by brilliant physicists such as Oersted, Coulomb, Gauss, and Faraday and added his own insights to develop the overarching theory of electromagnetism. Maxwell’s equations, combined with the Lorentz force law, encompass all the laws of electricity and...
Vector or Cross Product01:17

Vector or Cross Product

Vector multiplication of two vectors yields a vector product, with the magnitude equal to the product of the individual vectors multiplied by the sine of the angle between both the vectors and the direction perpendicular to both the individual vectors. As there are always two directions perpendicular to a given plane, one on each side, the direction of the vector product is governed by the right-hand thumb rule.
Consider the cross product of two vectors. Imagine rotating the first vector about...
Vectors01:30

Vectors

Vectors are mathematical entities characterized by both magnitude and direction. Unlike scalars, which are defined solely by magnitude, vectors represent quantities like displacement, velocity, and force, where direction is essential. Vectors are graphically represented as directed line segments, extending from an initial point to a terminal point, denoted with bold letters or arrows placed above the symbol. Two vectors are deemed equal if they share identical magnitudes and directions,...
Electromagnetic Fields01:30

Electromagnetic Fields

Electric fields generated by static charges, often referred to as electrostatic fields, are characteristically different from electric fields created by time-varying magnetic fields. While the former is a conservative field, implying that no net work is done on a test charge if it goes around in a complete loop in the field, the latter is, by definition, not a conservative field; net work is done, and it is proportional to the rate of change of magnetic flux.
However, the observation of Gauss's...

You might also read

Related Articles

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

Sort by
Same author

Dual Ferro-/Piezo-Electric Coupling in Two-Dimensional [Bi<sub>2</sub>O<sub>2</sub>]-Based Layered Structures for Synergistic Harvesting of Mechanical and Solar Energy.

Exploration (Beijing, China)·2026
Same author

Operando tracking of ion kinetics and state-of-charge via multiresonant fiber-optic grating sensors in sodium-ion batteries.

Light, science & applications·2026
Same author

Proteomic Insights into Molybdenum-Induced Pancreatic Injury in Goats.

Biological trace element research·2026
Same author

Dual-frequency fiber-array photoacoustic computed tomography for high-resolution deep brain imaging.

Light, science & applications·2026
Same author

Quantum Photothermal Self-Monitoring Fiber Probes for In Vivo Photothermal Therapy.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

All-fiber photoacoustic endomicroscopy reveals layer-specific angiogenesis-oxygenation uncoupling in experimental colitis.

Science advances·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

Related Experiment Video

Updated: May 21, 2026

Wideband Optical Detector of Ultrasound for Medical Imaging Applications
08:21

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Published on: May 11, 2014

Fiber-optic vector vibroscope.

Tuan Guo1, Libin Shang, Yang Ran

  • 1Institute of Photonics Technology, Jinan University, Guangzhou 510632, China. tuanguo@jnu.edu.cn

Optics Letters
|June 30, 2012
PubMed
Summary
This summary is machine-generated.

This study demonstrates a novel directional vibration sensor using polarization-controlled fiber optics. The sensor precisely measures vibration amplitude and orientation while compensating for temperature changes.

More Related Videos

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

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

Published on: January 7, 2019

Related Experiment Videos

Last Updated: May 21, 2026

Wideband Optical Detector of Ultrasound for Medical Imaging Applications
08:21

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Published on: May 11, 2014

A Silicon-tipped Fiber-optic Sensing Platform with High Resolution and Fast Response
09:03

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

Published on: January 7, 2019

Area of Science:

  • Optoelectronics
  • Fiber Optics Sensing
  • Photonics

Background:

  • Traditional vibration sensors often lack directional sensitivity or are susceptible to environmental factors.
  • Fiber optic sensors offer advantages in remote sensing and harsh environments.
  • Polarization-dependent phenomena in optical fibers can be exploited for advanced sensing applications.

Purpose of the Study:

  • To demonstrate a compact, directional vibration sensor.
  • To utilize polarization-controlled cladding-to-core recoupling for vibration detection.
  • To achieve unambiguous measurement of vibration amplitude and orientation, while compensating for temperature.

Main Methods:

  • A multi-mode fiber (MMF) stub with a weakly tilted fiber Bragg grating (TFBG) was spliced to a single-mode fiber.
  • Core modes in the MMF were coupled and analyzed via resonances in the TFBG reflection spectrum.
  • Dual-path power detection of orthogonal-polarimetric lowest order LP(1n) modes was employed for vibration measurement.
  • Monitoring of the fundamental LP(01) mode resonance was used for temperature and power fluctuation referencing.

Main Results:

  • Well-defined resonances were observed in the TFBG reflection spectrum due to mode coupling.
  • Specific resonances showed strong polarization and bending dependence, enabling vibration detection.
  • Unambiguous determination of vibration orientation and amplitude was achieved.
  • Effective compensation for power fluctuations and temperature perturbations was demonstrated using the LP(01) mode.

Conclusions:

  • The demonstrated sensor offers a compact and robust solution for directional vibration monitoring.
  • Polarization-controlled recoupling in MMF-TFBG structures is a viable mechanism for high-performance fiber optic sensing.
  • The proposed referencing scheme enhances the reliability of vibration measurements in real-world conditions.