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Updated: Apr 20, 2026
08:01
Spectral and Angle-Resolved Magneto-Optical Characterization of Photonic Nanostructures
Published on: November 21, 2019
7.9K
Volumetric full-range magnetomotive optical coherence tomography
Adeel Ahmad1, Jongsik Kim2, Nathan D Shemonski1
1University of Illinois at Urbana-Champaign, Beckman Institute for Advanced Science and Technology, Urbana, Illinois 61801, United StatesbUniversity of Illinois at Urbana-Champaign, Department of Electrical and Computer Engineering, Urbana, Illinois 61801.
Journal of Biomedical Optics
|December 5, 2014
Summary
Magnetomotive optical coherence tomography (MM-OCT) speeds up 3-D imaging of magnetic particles in tissues. This new method enhances imaging speed by an order of magnitude, enabling faster diagnostics.
Area of Science:
- Biomedical Optics
- Medical Imaging
- Nanotechnology
Background:
- Magnetomotive optical coherence tomography (MM-OCT) detects magnetic particles in tissues using OCT-measured displacements.
- Current MM-OCT methods face speed limitations due to scanning schemes and tissue properties.
Purpose of the Study:
- To significantly enhance the 3-D imaging speed of MM-OCT.
- To achieve volumetric MM-OCT imaging over extended depth ranges.
Main Methods:
- Rapid acquisition of volumetric scans during external electromagnet coil activation.
- Integration of a volumetric scan scheme with full-range OCT.
- Utilizing electromagnet coils designed for large tissue volumes.
Main Results:
- Achieved an order-of-magnitude improvement in 3-D MM-OCT imaging speed.
- Demonstrated volumetric (3-D) MM-OCT imaging across a large depth range.
- Validated the technique using tissue-equivalent phantoms and biological tissue.
Conclusions:
- The developed MM-OCT technique offers a substantial advancement in imaging speed for magnetic particle localization.
- This method holds promise for faster and more comprehensive diagnostic imaging in biological tissues.
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