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

High-resolution two-dimensional angle measurement technique based on fringe analysis.

Zongtao Ge1, Mitsuo Takeda

  • 1Fuji Photo Optical Company, Ltd., 1-324, Uetake, Saitama City, Saitama 330-8624, Japan. zongtao-ge@msv.fujinon.co.jp

Applied Optics
|December 10, 2003
PubMed
Summary

This study introduces a new 2-D angle measurement technique using fringe analysis for precise surface profiling. The method offers both a wide measurement range and high angular resolution, validated by simulations and experiments.

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

Construction of Stokes probability clouds from the polarization matrices for thermal light and polarization speckle.

Optics express·2026
Same author

Deep-learning-based single-pixel telescope for simultaneous visible and near-infrared imaging with robustness to atmospheric seeing.

Optics express·2025
Same author

Effects of surface roughness of a waveplate on the development of diffractive polarization speckle.

Journal of the Optical Society of America. A, Optics, image science, and vision·2025
Same author

Matrix-based integral transformations for Stokes imaging with partially polarized and partially coherent light.

Journal of the Optical Society of America. A, Optics, image science, and vision·2024
Same author

Functionally integrated waveguide illuminator for common-path digital holographic microscopy through random media.

Optics letters·2023
Same author

Autocorrelation functions and power spectral densities of the Stokes parameters in a polarization speckle pattern.

Journal of the Optical Society of America. A, Optics, image science, and vision·2023

Area of Science:

  • Optical Metrology
  • Surface Profilometry
  • Interferometry

Background:

  • Accurate two-dimensional (2-D) angle measurement is crucial in various scientific and industrial applications.
  • Existing phase-measuring profilometry techniques may have limitations in range or resolution for 2-D angle determination.

Purpose of the Study:

  • To propose and validate a novel 2-D angle-measurement technique based on fringe analysis.
  • To achieve simultaneous wide measurement range and high angular resolution in 2-D angle determination.

Main Methods:

  • Developed a novel angle-measurement technique utilizing fringe analysis for phase-measuring profilometry.
  • Employed least-squares fitting of a plane to the 2-D phase difference distribution to determine the 2-D angle.
  • Validated the technique through numerical simulations (Fourier-transform and phase-shift methods) and experimental implementation using a Mirau interference microscope.

Related Experiment Videos

Main Results:

  • The proposed technique successfully determines the 2-D angle between two mirror surfaces.
  • Simulations and experimental results confirm the technique's ability to achieve both a wide measurement range and high angular resolution.
  • Comparison with established fringe analysis methods (Fourier-transform and phase-shift) demonstrates the proposed technique's effectiveness.

Conclusions:

  • The novel fringe analysis-based technique provides an effective method for 2-D angle measurement.
  • The developed 2-D angle-measurement interferometer validates the proposed principle.
  • The technique offers a significant advancement by simultaneously providing a wide measurement range and high angular resolution.