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Related Experiment Video

Updated: Mar 12, 2026

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy oSLO and Optical Coherence Tomography OCT
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Design of a high-speed multiple-reference optical coherence tomography system.

B Imran Akca

    Optics Express
    |November 19, 2016
    PubMed
    Summary

    This study presents a novel multiple-reference time domain optical coherence tomography (OCT) system that eliminates the need for a mechanical scanner. This advancement significantly enhances imaging speed for faster medical diagnostics.

    Area of Science:

    • Biomedical Optics
    • Medical Imaging Technology

    Background:

    • Time domain optical coherence tomography (TD-OCT) systems are crucial for non-invasive imaging.
    • Current TD-OCT systems face limitations in imaging speed due to mechanical scanning mirrors.

    Purpose of the Study:

    • To develop an integrated-optics-based multiple-reference TD-OCT system.
    • To overcome the speed limitations inherent in traditional TD-OCT systems.

    Main Methods:

    • An integrated-optics-based system utilizing electro-optically controlled switches.
    • Sequential tapping of reference and sample lights at multiple locations.
    • Elimination of the mechanical scanner.

    Main Results:

    • Achieved an axial resolution of 20 µm.

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  • Targeted a depth range of 1 mm at a central wavelength of 800 nm.
  • Demonstrated potential for significantly improved imaging speed.

    • Conclusions:

    • The proposed multiple-reference TD-OCT system effectively removes the mechanical scanner.
    • This design offers a substantial increase in imaging speed for OCT applications.
    • Paves the way for faster and more efficient optical coherence tomography.