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Related Experiment Video

Updated: Apr 25, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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Single input state polarization sensitive swept source optical coherence tomography based on an all single mode fiber

Wolfgang Trasischker1, Stefan Zotter1, Teresa Torzicky1

  • 1Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Waehringer Guertel 18-20, 4L, A-1090 Vienna, Austria.

Biomedical Optics Express
|August 20, 2014
PubMed
Summary

We developed a new fiber-based swept source polarization-sensitive optical coherence tomography (PS-OCT) system. This system uses a single input state for circularly polarized light, enabling detailed retinal imaging in volunteers.

Keywords:
(060.2430) Fibers, single-mode(170.0110) Imaging systems(170.0170) Medical optics and biotechnology(170.2655) Functional monitoring and imaging(170.4470) Ophthalmology(170.4500) Optical coherence tomography

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Area of Science:

  • Biomedical Optics
  • Ophthalmology
  • Optical Engineering

Background:

  • Optical Coherence Tomography (OCT) is a valuable imaging modality.
  • Polarization-sensitive OCT (PS-OCT) provides additional tissue properties.
  • Existing PS-OCT systems can be complex and require precise alignment.

Purpose of the Study:

  • To develop a novel single mode fiber-based swept source PS-OCT system.
  • To simplify the system design by eliminating bulk optics and polarization-maintaining fibers.
  • To demonstrate the system's capability for retinal imaging.

Main Methods:

  • A Mach-Zehnder interferometer was constructed using non-polarizing beam splitters.
  • Polarizing beam splitters were employed for polarization-sensitive detection.
  • Polarization control paddles and a special alignment scheme were used for precise polarization management.
  • The system operated at a wavelength of 1040 nm with a single input state, delivering circularly polarized light.

Main Results:

  • A compact and robust single mode fiber-based PS-OCT system was successfully developed.
  • The system effectively eliminated the need for bulk optic wave plates and polarization-maintaining fibers.
  • Retinal measurements were performed on healthy human volunteers, demonstrating the system's practical application.

Conclusions:

  • The developed fiber-based PS-OCT system offers a simplified and effective approach for polarization-sensitive imaging.
  • The system's ability to maintain a single input state and deliver circularly polarized light is advantageous for sample illumination.
  • This technology holds promise for advanced ophthalmic diagnostics and research.