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Mueller matrix polarimeter based on twisted nematic liquid crystal devices
Applied Optics
|September 25, 2020
Summary
We developed a precise, portable, and affordable Mueller matrix polarimeter using liquid crystal plates. This cost-effective instrument offers laboratory-level accuracy for field applications.
Area of Science:
- Optics and Photonics
- Instrumentation Science
Background:
- Mueller matrix polarimetry is crucial for characterizing optical properties.
- Existing polarimeters are often expensive and not portable, limiting their use outside laboratory settings.
Purpose of the Study:
- To present a precise, portable, and inexpensive Mueller matrix polarimeter design.
- To enable low-budget users and field applications with advanced polarimetry capabilities.
Main Methods:
- Utilized a pair of twisted nematic liquid crystal plates for the polarimeter design.
- Developed a theoretical model, selected optimal polarization states, and calibrated the instrument.
- Evaluated performance for punctual and imaging applications.
Main Results:
- The developed Mueller matrix polarimeter is precise, portable, and inexpensive.
- Its accuracy and precision are comparable to significantly more expensive commercial polarimeters.
- Demonstrated suitability for both punctual measurements and imaging applications.
Conclusions:
- The proposed liquid crystal-based Mueller matrix polarimeter offers a cost-effective and portable solution.
- It provides high-performance polarimetric measurements suitable for diverse applications, including field use.
