Portable real-time polarimeter for partially and fully polarized light.

Area of Science:

• Optics and Photonics
• Instrumentation Science

Background:

• Polarimetry is crucial for characterizing light polarization.
• Existing polarimeters can be expensive and complex.
• There is a need for accessible, real-time polarization analysis tools.

Purpose of the Study:

• To present a portable, cost-effective polarimeter.
• To enable real-time visualization of polarized light.
• To provide an open-source platform for polarimetry.

Main Methods:

• Utilized a Raspberry Pi computer with a custom data acquisition HAT.
• Integrated a photodetection circuit for light measurement.
• Implemented digital calibration for a wide-bandwidth arbitrary retardance waveplate.

Main Results:

• Achieved real-time visualization of partial and fully polarized light.
• Demonstrated broad wavelength operation through digital calibration.
• Developed a fully integrated, open-source polarimetry system.

Conclusions:

• The portable polarimeter is an efficient tool for optics research.
• The system is well-suited for educational demonstrations.
• Open-source availability promotes accessibility and further development.