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

Respiratory motion augmentation for personalized super-resolution (RMApSR) of 3D cine MR images in MRI-guided radiotherapy.

Medical image analysis·2026
Same author

Machine Learning-Enabled In Situ Diagnostics for Intelligent Plasma-Based Semiconductor Manufacturing: A Review.

ACS applied materials & interfaces·2026
Same author

Technical note: clinical real-time multi-target, 3D-motion tracking radiation delivery on a magnetic resonance linear accelerator.

Biomedical physics & engineering express·2026
Same author

Polypharmacological Targeting of G2019S Mutant LRRK2 and JNK3 for the Discovery of a Lead Compound against Parkinson's Disease.

Journal of medicinal chemistry·2026
Same author

Kidney Selective Bcl2 Inhibitor Delivery Improves Fibrosis Treatment.

ACS applied bio materials·2026
Same author

Tunable PEGylation platform for efficient siRNA delivery using mesoporous silica nanoparticles.

Journal of biological engineering·2026

Related Experiment Video

Updated: Oct 4, 2025

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

7.3K

Sagnac interferometer for time-resolved magneto-optical measurements.

Hyeokjun Heo1, Taeho Kim1, Yungi Jeong1

  • 1Department of Physics and Astronomy and Institute of Applied Physics, Seoul National University, Seoul 08826, South Korea.

The Review of Scientific Instruments
|February 2, 2022
PubMed
Summary

We developed a time-resolved magneto-optical measurement technique using a pulsed Sagnac interferometer. This method achieves picosecond resolution for studying magnetic phenomena like ferromagnetic resonance with high sensitivity.

More Related Videos

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
08:55

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

8.6K
The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

22.0K

Related Experiment Videos

Last Updated: Oct 4, 2025

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
08:01

Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures

Published on: November 21, 2019

7.3K
Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
08:55

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses

Published on: June 7, 2018

8.6K
The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

22.0K

Area of Science:

  • Physics
  • Materials Science
  • Optics

Background:

  • Magneto-optical measurements are crucial for characterizing magnetic materials.
  • Traditional methods often lack high temporal resolution.
  • Sagnac interferometers offer unique advantages in optical measurements.

Purpose of the Study:

  • To introduce a novel time-resolved magneto-optical measurement technique.
  • To achieve picosecond temporal resolution in magneto-optical studies.
  • To demonstrate the technique's application in ferromagnetic resonance.

Main Methods:

  • Utilizing a zero-area Sagnac interferometer with a pulsed light source.
  • Implementing interference detection for phase modulation and Kerr rotation.
  • Applying a magnetic field pump to induce ferromagnetic resonance in a Permalloy film.

Main Results:

  • Achieved temporal resolution in the hundreds of picoseconds.
  • Demonstrated the technique's ability to study ferromagnetic resonance.
  • Obtained a sensitivity of 1 μrad/√Hz at 3 μW optical power in pulse mode.
  • Maintained the Sagnac interferometer's inherent rejection of reciprocal effects.

Conclusions:

  • The pulsed Sagnac interferometer provides a powerful tool for time-resolved magneto-optical measurements.
  • This technique offers high sensitivity and temporal resolution for dynamic magnetic studies.
  • The method is suitable for investigating phenomena such as ferromagnetic resonance with enhanced precision.