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Calibration and data extraction in nonoptimized Mueller matrix polarimeters.

Omar Rodríguez-Nuñez, Juan Manuel López-Téllez, Oscar G Rodríguez-Herrera

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This study introduces a faster calibration method for Mueller matrix polarimeters, reducing measurement time for complex systems. The technique uses four known polarization states to achieve accurate data extraction.

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Area of Science:

Optics and Photonics
Polarimetry
Metrology

Background:

Mueller matrix polarimetry is crucial for characterizing optical properties.
Non-optimized polarimeters often face challenges with slow measurement times.
Efficient calibration is essential for accurate polarimetric data.

Purpose of the Study:

To develop and validate a rapid calibration and data extraction method for non-optimized Mueller matrix polarimeters.
To reduce measurement time in multiwavelength or slow-response polarimetric systems.

Main Methods:

The proposed method utilizes the measurement of four specific polarization states.
These states are generated using free-space transmission, horizontal and vertical linear polarizers, and a quarter-wave retarder at 30°.
The calibration process is demonstrated experimentally.

Main Results:

Accurate calibration and data extraction were achieved using the proposed method.
Experimental validation involved measurements of rotating quarter-wave and half-wave retarders.
The method demonstrated its efficacy in obtaining reliable polarimetric data.

Conclusions:

The presented calibration technique offers a significant reduction in measurement time for non-optimized Mueller matrix polarimeters.
This method provides accurate results, making it suitable for demanding applications.
The approach enhances the practicality of polarimetric measurements in various scientific and industrial fields.