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

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.