Mueller matrix dual-rotating retarder polarimeter

Area of Science:

• Optics and Photonics
• Materials Science
• Condensed Matter Physics

Background:

• Accurate characterization of optical materials is crucial for developing advanced optical systems.
• Understanding bulk material properties requires precise control and measurement of light polarization states.
• Existing methods may lack the versatility to extract a wide range of material parameters.

Purpose of the Study:

• To describe a novel computer-controlled Mueller matrix polarimeter.
• To demonstrate the capability of extracting bulk optical properties, including diattenuation, retardance, and depolarization.
• To enable the determination of fundamental electro- and magneto-optical properties from measured Mueller matrices.

Main Methods:

• Utilizing a dual rotating retarder Mueller matrix polarimeter for automated measurements.
• Precisely controlling input polarization states and measuring output polarization states.
• Analyzing the obtained Mueller matrices to extract various polarization and material properties.

Main Results:

• The developed polarimeter successfully obtains Mueller matrices for optical samples.
• Key polarization properties such as diattenuation, retardance, and depolarization are extracted.
• The system shows potential for determining electro- and magneto-optical tensor coefficients.

Conclusions:

• The described computer-controlled Mueller matrix polarimeter is a versatile tool for optical material characterization.
• The instrument facilitates the extraction of both polarization-dependent and fundamental electro-/magneto-optical properties.
• This technology advances the study of optical materials in the 3- to 12-microm spectral region.