Self-referenced single-shot low-power Stokes polarimetry

Area of Science:

• Optics and Photonics
• Polarimetry
• Optical Metrology

Background:

• Polarimetry is crucial for characterizing light polarization.
• Traditional polarimeters can be complex, requiring multiple measurements or reference beams.
• Efficient and simplified polarization analysis remains an area of active research.

Purpose of the Study:

• To demonstrate a novel Stokes polarimeter design.
• To achieve polarization analysis with preserved light power and a single measurement.
• To simplify polarimetric measurements by avoiding a local oscillator or reference beam.

Main Methods:

• Utilized a corner-cube retroreflector in the polarimeter design.
• Leveraged the unique optical properties of the retroreflector.
• Implemented a single-measurement acquisition scheme.

Main Results:

• Successfully demonstrated a Stokes polarimeter.
• The polarimeter preserves the power of the analyzed light.
• The system requires only a single measurement for complete polarization state determination.
• The design is simple, robust, and eliminates the need for a local oscillator or controllable reference beam.

Conclusions:

• The novel corner-cube retroreflector-based polarimeter offers a simplified and efficient approach to Stokes polarimetry.
• This design advances optical metrology by enabling power-preserving, single-measurement polarization analysis.
• The robustness and simplicity of the design make it suitable for various applications.