Optimized Stokes imaging for highly resolved optical speckle fields, Part I: optimized experimental setup

Area of Science:

• Optics and Photonics
• Light Scattering
• Interference Phenomena

Background:

• Speckle fields are complex interference patterns crucial in various optical applications.
• Characterizing the polarization state of light within speckle fields at a fine scale is experimentally challenging.
• Existing techniques for optical speckle analysis often lack the resolution or precision for detailed polarimetry.

Purpose of the Study:

• To provide a comprehensive review of state-of-the-art Stokes polarimetry techniques for optical speckle fields.
• To introduce an optimized experimental setup for high-resolution polarimetric measurements of speckle patterns.
• To detail calibration procedures ensuring accurate polarimetric property estimation across resolved speckle fields.

Main Methods:

• Review of current experimental methodologies for speckle field analysis.
• Development and description of an optimized experimental setup for in-situ Stokes polarimetry.
• Implementation of specific calibration protocols for accurate light polarization measurement.

Main Results:

• A detailed overview of advanced techniques for speckle polarimetry is presented.
• An optimized experimental setup is described, enabling localized Stokes measurements on speckle fields.
• Calibration procedures are established for reliable estimation of polarimetric properties.

Conclusions:

• The described experimental approach facilitates detailed, location-specific Stokes polarimetry of optical speckle fields.
• This work establishes a foundation for understanding polarization phenomena at the individual speckle grain level.
• Accurate polarimetric characterization of complex light fields is achievable with the presented methods.