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Single-shot full-field optical coherence tomography with a single polarization camera.

Ahyeon Hur1, Sucbei Moon2, Young-Wan Choi1,3

  • 1Department of Electrical and Electronics Engineering, Chung-Ang University, Seoul 06974, Republic of Korea.

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|March 2, 2026
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This study introduces a new single-shot full-field optical coherence tomography (S-FF-OCT) method using a polarization camera for fast, vibration-resistant imaging. The technique enables real-time tomographic imaging of dynamic biological samples in situ.

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Area of Science:

  • Optical Engineering
  • Biomedical Imaging
  • Photonics

Background:

  • Full-field optical coherence tomography (FF-OCT) enables rapid, high-resolution cross-sectional imaging.
  • Traditional FF-OCT systems can be limited by slow acquisition speeds and sensitivity to motion artifacts.
  • Developing compact and robust FF-OCT systems is crucial for in situ and in vivo applications.

Purpose of the Study:

  • To present a novel single-shot FF-OCT (S-FF-OCT) implementation using a polarization camera.
  • To demonstrate a compact and efficient S-FF-OCT system for imaging dynamic samples.
  • To validate the system's performance in challenging conditions, such as environmental vibrations.

Main Methods:

  • Utilized a Linnik interferometer integrated with a commercial polarization camera for S-FF-OCT.
  • Developed a polarization-channeled detection scheme to acquire phase-shifted quadrature components in a single capture.
  • Employed coherence gating for generating en-face OCT images from interferograms.

Main Results:

  • Successfully implemented S-FF-OCT using a single-sensor polarization camera.
  • Achieved tomographic imaging with a single camera capture and short integration time.
  • Demonstrated effective imaging of moving objects and biological specimens under ambient vibrations.

Conclusions:

  • The developed S-FF-OCT system offers a simple, compact, and robust solution for high-speed tomographic imaging.
  • The polarization-based approach overcomes limitations of conventional FF-OCT systems in dynamic environments.
  • This technique shows significant potential for in situ FF-OCT imaging of biological samples and other fast-moving subjects.