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

Interferometer for small-angle measurement based on total internal reflection.

W Zhou, L Cai

    Applied Optics
    |February 21, 2008
    PubMed
    Summary
    This summary is machine-generated.

    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

    [Clinical characteristics of diarrhea caused by rotavirus A in children under 5 years old in China, 2009-2020].

    Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi·2026
    Same author

    [Effect of <sup>131</sup>iodine therapy on parathyroid function in postoperative patients with papillary thyroid carcinoma].

    Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery·2026
    Same author

    Real-world outcomes versus clinical trial results of first-line immunotherapy with or without chemotherapy in patients with metastatic non-small-cell lung cancer: the CORRELATE study.

    ESMO open·2026
    Same author

    [Analysis of common non-bacterial pathogens in hospitalized children with acute respiratory infections: a multicenter study in four regions of Fujian Province in 2023].

    Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]·2025
    Same author

    [Analysis of the pathogen composition and epidemiological characteristics of febrile respiratory syndrome cases in the elderly aged 60 years and above in China from 2009 to 2021].

    Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi·2025
    Same author

    Racial Discrimination as a Traumatic Bedrock of Healthcare Avoidance: A Pathway Through Healthcare Institutional Betrayal and Mistrust.

    Healthcare (Basel, Switzerland)·2025
    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

    A new angle measurement method uses internal reflection and heterodyne interferometry for high-resolution, compact optical systems. This technique significantly improves linearity and achieves resolutions better than 0.3 arc seconds.

    Area of Science:

    • Optics and Photonics
    • Metrology

    Background:

    • Accurate angle measurement is crucial in various scientific and industrial applications.
    • Existing methods may face limitations in resolution, compactness, or linearity.

    Purpose of the Study:

    • To introduce a novel angle measurement technique.
    • To enhance the precision and practicality of optical angle measurement systems.

    Main Methods:

    • Utilizing the internal-reflection effect combined with heterodyne interferometry.
    • Designing a novel prism assembly for parallel retroreflection of light beams.
    • Integrating a differential common-path optical configuration.

    Main Results:

    • Achieved a compact optical configuration.

    Related Experiment Videos

  • Significantly improved the linearity of the angle measurement.
  • Demonstrated a resolution better than 0.3 arc seconds through theoretical analysis and experimental verification.

    • Conclusions:

    • The proposed method offers a promising solution for high-resolution angle measurement.
    • The compact and linear design has potential for various applications.
    • Further improvements are being explored to enhance the method's capabilities.