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

Laser-driven noncontact bubble transfer printing via a hydrogel composite stamp.

Proceedings of the National Academy of Sciences of the United States of America·2024
Same author

Differential perovskite hemispherical photodetector for intelligent imaging and location tracking.

Nature communications·2024
Same author

Real-world effectiveness of nirmatrelvir-ritonavir versus azvudine in hospitalized patients with COVID-19 during the omicron wave in Beijing: a multicenter retrospective cohort study.

BMC infectious diseases·2024
Same author

Morphological Profiling for Drug Discovery in the Era of Deep Learning.

ArXiv·2024
Same author

The epigenetic regulatory effect of histone acetylation and deacetylation on skeletal muscle metabolism-a review.

Frontiers in physiology·2023
Same author

A case of brain arteriovenous malformation treated by high-pressure cooker technique assisted with anhydrous alcohol embolization: A case report.

Medicine·2023
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

Related Experiment Video

Updated: Apr 22, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
11:21

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

7.1K

Laser frequency locking with second-harmonic demodulation.

Lishuang Feng, Haicheng Li, Junjie Wang

    Applied Optics
    |October 17, 2014
    PubMed
    Summary
    This summary is machine-generated.

    A new laser frequency-locking method using second-harmonic demodulation achieves high sensitivity and carrier suppression. This technique shows promise for applications like resonator optic gyroscopes.

    More Related Videos

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
    08:48

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

    Published on: November 22, 2019

    7.0K
    Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies
    09:38

    Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies

    Published on: December 18, 2015

    11.4K

    Related Experiment Videos

    Last Updated: Apr 22, 2026

    Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
    11:21

    Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

    Published on: March 30, 2017

    7.1K
    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
    08:48

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

    Published on: November 22, 2019

    7.0K
    Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies
    09:38

    Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies

    Published on: December 18, 2015

    11.4K

    Area of Science:

    • Optics and Photonics
    • Laser Physics

    Background:

    • Precise laser frequency control is crucial for advanced optical systems.
    • Existing frequency stabilization methods often face limitations in sensitivity or bandwidth.

    Purpose of the Study:

    • To propose, analyze, and demonstrate a novel external-optical-cavity laser frequency-locking method.
    • To achieve high sensitivity, carrier suppression, and modulation bandwidth for laser frequency stabilization.

    Main Methods:

    • Utilizing second-harmonic demodulation of the external optical cavity output.
    • Implementing a feedback loop to stabilize the laser frequency based on the demodulated signal.
    • Demonstrating the technique on a distributed feedback fiber laser.

    Main Results:

    • Experimental results closely matched simulation predictions.
    • Achieved a carrier wave suppression ratio of -67 dB.
    • Attained a laser frequency noise floor of 1 Hz/√Hz above 1 Hz.

    Conclusions:

    • The proposed second-harmonic demodulation method offers a robust approach for laser frequency locking.
    • The technique demonstrates significant improvements in performance metrics.
    • This method holds substantial potential for enhancing resonator optic gyroscope performance.