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This study introduces a novel full Stokes polarization imaging system utilizing compressed sampling and single photon counting. The system achieves high-quality polarization imaging and reconstruction even at very low sampling ratios.

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Area of Science:

  • Optics and Photonics
  • Image Processing
  • Quantum Sensing

Background:

  • Polarization imaging provides rich information about material properties and surface characteristics.
  • Traditional polarization imaging systems often require multiple measurements, increasing acquisition time and complexity.
  • Single photon counting offers high sensitivity for detecting weak light signals.

Purpose of the Study:

  • To develop a high-sensitivity full Stokes polarization imaging system.
  • To implement compressed sampling techniques for efficient polarization data acquisition.
  • To reconstruct polarization information at significantly reduced sampling ratios.

Main Methods:

  • A full Stokes polarization imaging system was designed integrating compressed sampling and single photon counting.
  • A field-programmable gate array (FPGA) based module controlled polarization rotation and digital micro-mirror device (DMD) loading.
  • Single photon counting photomultiplier tubes (PMTs) were used for simultaneous signal detection.

Main Results:

  • The system successfully performed high-sensitivity single photon compressive imaging under various polarization directions.
  • High-quality Stokes parameter images and linear polarization angle images were reconstructed.
  • Experimental validation demonstrated successful polarization information reconstruction at a very low sampling ratio.

Conclusions:

  • The developed system enables efficient and high-quality full Stokes polarization imaging.
  • Compressed sampling significantly reduces the data requirements for polarization imaging.
  • This approach holds promise for advanced polarization-sensitive imaging applications.