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Schematic diagram of the IV-MM-OCT system for ex vivo imaging of rabbit aortas. A prototype metal-free intravascular OCT probe was used to avoid any interference with the applied alternating magnetic field. The axial and transverse resolutions (6 µm and 54 µm) are comparable to a standard intravascular OCT probe. The pull-back distance was 32 mm. The two coils were identical in size and magnetic field strength. The magnetic field gradient was 0.25 T/m.
