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Related Experiment Video

Updated: May 24, 2026

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
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Polarization phase-shifting Newton interferometer for plane optical surface measurements.

Shyh-Tsong Lin1, Liang-Chia Chen, Sheng-Lih Yeh

  • 1Department of Electro-optical Engineering, National Taipei University of Technology, Taipei, Taiwan. f10402@ntut.edu.tw

Optics Letters
|February 21, 2012
PubMed
Summary

A new polarization phase-shifting Newton interferometer enables precise plane optical surface measurements. Experimental results validate the interferometer

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Last Updated: May 24, 2026

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Area of Science:

  • Optical metrology
  • Interferometry
  • Surface characterization

Background:

  • Accurate measurement of plane optical surfaces is crucial in various scientific and industrial applications.
  • Traditional interferometry methods may face limitations in precision and adaptability.

Purpose of the Study:

  • To introduce a novel polarization phase-shifting Newton interferometer.
  • To demonstrate its capability for plane optical surface measurements.
  • To validate the setup and experimental methodology.

Main Methods:

  • Construction of a polarization phase-shifting Newton interferometer setup.
  • Utilizing the setup for plane optical surface measurements.
  • Experimental validation of the interferometer's performance.

Main Results:

  • Successful implementation of the polarization phase-shifting Newton interferometer.
  • Experimental data confirms the validity of the proposed interferometer.
  • Demonstration of the interferometer's feasibility for surface measurements.

Conclusions:

  • The polarization phase-shifting Newton interferometer is a valid and feasible tool for plane optical surface metrology.
  • The developed setup effectively realizes the interferometer's potential.
  • This technique offers a promising approach for advanced optical surface analysis.