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 Experiment Video

Updated: Jun 15, 2026

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Two-frequency laser interferometer for small displacement measurements in a low frequency range.

Y Ohtsuka, K Itoh

    Applied Optics
    |March 9, 2010
    PubMed
    Summary

    This study presents a two-frequency interferometer for precise small displacement measurements. It accurately detects minute vibrations and refractive index changes, showcasing its versatility in metrology.

    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

    [Abnormal chest shadow on CT in immunosuppressed patients].

    Nihon Igaku Hoshasen Gakkai zasshi. Nippon acta radiologica·1992
    Same author

    Cytokine regulation of hemostatic property and IL-6 production of human endothelial cells.

    Inflammation·1992
    Same author

    Proliferation and differentiation of fetal liver cells transplanted into rat spleen.

    Transplantation proceedings·1992
    Same author

    Distributions of the Nd and P300 in a normal sample.

    International journal of psychophysiology : official journal of the International Organization of Psychophysiology·1992
    Same author

    Saphenous vein graft to the distal vertebral artery between C-1 and C-2 using a lateral-anterior approach. Technical note.

    Journal of neurosurgery·1992
    Same author

    Single photon emission computed tomography using 201Tl chloride in pulmonary nodules: comparison with 67Ga citrate and 99mTc-labeled hexamethylpropyleneamine-oxime.

    Annals of nuclear medicine·1992

    Area of Science:

    • Optics and Photonics
    • Metrology and Measurement Science
    • Vibration Analysis

    Background:

    • Interferometry is crucial for precise measurements.
    • Michelson-type interferometers are widely used.
    • Detecting small displacements and vibrations presents challenges.

    Purpose of the Study:

    • To investigate a two-frequency Michelson-type interferometer for small displacement measurements.
    • To analyze the interference components from optical homodyne and heterodyne detection.
    • To explore applications in vibration analysis and refractive index detection.

    Main Methods:

    • Utilizing a two-frequency Michelson-type interferometer setup.
    • Employing optical homodyne and heterodyne detection principles.

    More Related Videos

    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
    08:23

    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

    Published on: September 30, 2019

    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

    Related Experiment Videos

    Last Updated: Jun 15, 2026

    Implementation of a Reference Interferometer for Nanodetection
    16:11

    Implementation of a Reference Interferometer for Nanodetection

    Published on: April 26, 2014

    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings
    08:23

    A Random-displacement Measurement by Combining a Magnetic Scale and Two Fiber Bragg Gratings

    Published on: September 30, 2019

    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

  • Applying amplitude modulation (A.M.) detection techniques for signal extraction.

    • Main Results:

    • Successfully measured sinusoidal vibrations down to 1.2 Å at 2 kHz.
    • Detected minimum displacements of 2.9 Å for rectangular mode vibrations at 0.2 Hz.
    • Demonstrated detection of small time-dependent air refractive index variations.

    Conclusions:

    • The two-frequency interferometer is effective for high-sensitivity displacement and vibration measurements.
    • The system can resolve minute amplitude changes in vibrational modes.
    • The interferometer shows potential for detecting subtle environmental changes like refractive index fluctuations.