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 Videos

Improved technique for measuring small angles.

M H Chiu, D C Su

    Applied Optics
    |February 12, 2008
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces an improved small angle measurement technique using total-internal-reflection and heterodyne interferometry. The new method enhances measurement range and performance, with demonstrated validity.

    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

    Multiband wavelength-division demultiplexing with a cascaded substrate-mode grating structure.

    Applied optics·2010
    Same author

    Substrate-mode holographic polarization-division multi/demultiplexer for optical communications.

    Applied optics·2010
    Same author

    Method for measuring the retardation of a wave plate.

    Applied optics·2010
    Same author

    Wavelength-division-multiplexing and -demultiplexing by using a substratemode grating pair.

    Optics letters·2009
    Same author

    Collimation method that uses spiral gratings and Talbot interferometry.

    Optics letters·2009
    Same author

    Complex refractive-index measurement based on Fresnel's equations and the uses of heterodyne interferometry.

    Applied optics·2008
    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

    Area of Science:

    • Optical Metrology
    • Precision Measurement Engineering

    Background:

    • Accurate measurement of small angles is crucial in various scientific and industrial applications.
    • Existing techniques face limitations in measurement range and precision.

    Purpose of the Study:

    • To propose an improved technique for measuring small angles.
    • To expand the measurement range and enhance the performance of angle measurement systems.

    Main Methods:

    • Utilizing the principle of total-internal-reflection.
    • Implementing heterodyne interferometry for enhanced sensitivity.
    • Developing a novel optical setup based on these principles.

    Main Results:

    • The proposed technique demonstrates an expanded measurement range compared to conventional methods.

    Related Experiment Videos

  • Significant improvements in measurement performance, including higher resolution and accuracy, were achieved.
  • Experimental validation confirmed the effectiveness and reliability of the developed technique.

    • Conclusions:

    • The improved technique offers a superior solution for precise small angle measurements.
    • This method has the potential for broad applicability in fields requiring high-precision angular sensing.
    • Further research can explore integration into advanced optical instrumentation.