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

1.5K
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...
1.5K
What is a Mode?01:07

What is a Mode?

25.1K
The mode is one of the commonly used measures of a central tendency. It is defined as the most frequent value in a data set.
There can be more than one mode in a data set if multiple values have the same highest frequency. For instance, suppose that the Statistics exam scores of 20 students are: 50; 53; 59; 59; 63; 63; 72; 72; 72; 72; 72; 76; 78; 81; 83; 84; 84; 84; 90; 93. Here, the mode is 72, as it occurs most frequently, five times.
A data set with two modes is called bimodal. For example,...
25.1K
Classification of Skeletal Muscle Fibers01:48

Classification of Skeletal Muscle Fibers

59.4K
Skeletal muscles continuously produce ATP to provide the energy that enables muscle contractions. Skeletal muscle fibers can be categorized into three types based on differences in their contraction speed and how they produce ATP, as well as physical differences related to these factors. Most human muscles contain all three muscle fiber types, albeit in varying proportions.
Slow-Twitch Muscle Fibers
Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...
59.4K
Ventilatory Modes01:14

Ventilatory Modes

1.4K
Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
1.4K
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

807
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
807
Modes of Standing Waves: II01:04

Modes of Standing Waves: II

1.6K
The starting point for expressing the modes of standing waves is understanding the boundary conditions that the waves must follow. The boundary conditions are derived from the physical understanding of how the standing waves are sustained, that is, how the vibrating particles of the medium behave at the boundaries imposed on them.
For a tube open at one end and closed at the other filled with air, the modes are such that there is always an antinode at the open end and a node at the closed end....
1.6K

You might also read

Related Articles

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

Sort by
Same author

Universal lateral optical force on an isotropic particle near a dielectric substrate via polarization-induced mirror symmetry breaking.

Optics express·2026
Same author

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

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

Lateral optical force on an isotropic dimer induced by high-order multiple scattering under arbitrary polarization states.

Optics express·2026
Same author

Coherent control of optical spin-orbit interactions.

Science advances·2026
Same author

Detection of Low Humidity Using Three-Dimensional DMC Network Structure.

Sensors (Basel, Switzerland)·2026
Same author

Harnessing biomimetic nano-regulators for in situ photothermia and lactate regulation to amplify cuproptosis immunotherapy.

Biomaterials·2026

Related Experiment Video

Updated: Jan 24, 2026

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
09:13

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Published on: April 4, 2017

8.0K

Magnetic Nanoparticles Functionalized Few-Mode-Fiber-Based Plasmonic Vector Magnetometer.

Yaofei Chen1, Weiting Sun2, Yaxin Zhang3

  • 1Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China. chenyaofei@jnu.edu.cn.

Nanomaterials (Basel, Switzerland)
|May 25, 2019
PubMed
Summary

This study presents a novel vector magnetometer using a few-mode fiber surface plasmon resonance sensor with magnetic nanoparticles. It achieves high sensitivity for detecting magnetic field intensity and orientation, enabling weak magnetic vector measurements.

Keywords:
few-mode fibermagnetic nanoparticlesmagnetic vectorsurface plasmonic resonance

More Related Videos

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
15:06

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

13.4K
Fabrication of a Functionalized Magnetic Bacterial Nanocellulose with Iron Oxide Nanoparticles
08:59

Fabrication of a Functionalized Magnetic Bacterial Nanocellulose with Iron Oxide Nanoparticles

Published on: May 26, 2016

13.8K

Related Experiment Videos

Last Updated: Jan 24, 2026

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
09:13

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Published on: April 4, 2017

8.0K
Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle
15:06

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

13.4K
Fabrication of a Functionalized Magnetic Bacterial Nanocellulose with Iron Oxide Nanoparticles
08:59

Fabrication of a Functionalized Magnetic Bacterial Nanocellulose with Iron Oxide Nanoparticles

Published on: May 26, 2016

13.8K

Area of Science:

  • Photonics and Plasmonics
  • Nanotechnology
  • Sensor Technology

Background:

  • Surface Plasmon Resonance (SPR) sensors are sensitive to refractive index changes.
  • Magnetic nanoparticles (MNPs) can alter local refractive indices in response to magnetic fields.
  • Accurate measurement of weak magnetic field vectors remains a challenge.

Purpose of the Study:

  • To develop a highly sensitive vector magnetometer.
  • To utilize a few-mode-fiber-based SPR sensor functionalized with MNPs.
  • To detect both magnetic field intensity and orientation.

Main Methods:

  • Fabrication of a side-polished few-mode fiber coated with gold for SPR.
  • Functionalization of the SPR sensor with magnetic nanoparticles in liquid.
  • Exploitation of magnetic-field-induced anisotropic aggregation of MNPs to modulate refractive index.
  • Monitoring shifts in the SPR resonance wavelength.

Main Results:

  • Demonstrated a highly sensitive vector magnetometer.
  • Achieved sensitivities of 0.692 nm/Oe for magnetic field intensity.
  • Achieved sensitivities of -11.917 nm/° for magnetic field orientation.
  • The sensor showed significant shifts in resonance wavelength due to magnetic fields.

Conclusions:

  • The proposed few-mode-fiber SPR sensor functionalized with MNPs is effective for vector magnetometry.
  • The sensor exhibits remarkable sensitivity to both magnetic field intensity and orientation.
  • This technology holds promise for applications requiring detection of weak magnetic field vectors.