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Complete Stokes vector analysis with a compact, portable rotating waveplate polarimeter.

T A Wilkinson1, C E Maurer1, C J Flood1

  • 1Department of Physics and Astronomy, West Virginia University, Morgantown, West Virginia 26506, USA.

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|October 2, 2021
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Summary
This summary is machine-generated.

We developed a low-cost, rotating waveplate polarimeter for precise light polarization analysis. This compact device offers accurate Stokes vector measurements, crucial for optics experiments.

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Area of Science:

  • Optical Physics
  • Instrumentation

Background:

  • Accurate calibration of polarization-dependent optical elements is essential for various optics experiments.
  • A versatile polarimeter is a valuable tool for measuring the polarization state of light.

Purpose of the Study:

  • To report a novel rotating waveplate-based polarimeter for complete Stokes vector analysis of collimated light.
  • To demonstrate a cost-effective and accurate alternative to commercial polarimeters.

Main Methods:

  • Utilized a rotating waveplate design for polarization analysis.
  • Incorporated a photo-interrupter trigger system for phase information.
  • Employed an Arduino microcontroller for rapid data analysis and display.
  • Designed a compact optical apparatus for easy integration on an optical table.

Main Results:

  • Achieved complete Stokes vector analysis of collimated light.
  • Demonstrated accurate measurements over a wavelength bandwidth of >30 nm.
  • Verified accuracy and precision comparable to commercial devices.
  • Constructed the device at a fraction of the cost of commercial alternatives.

Conclusions:

  • The developed polarimeter provides a versatile, accurate, and cost-effective solution for light polarization analysis.
  • The compact and user-friendly design facilitates its use in diverse optics experiments.
  • The system enables both real-time display and computer-based storage of Stokes vector data.