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"Intravascular optical coherence tomography imaging at 3200 frames per second" Tianshi Wang, Wolfgang Wieser, Geert Springeling, Robert Beurskens, Charles T. Lancee, Tom Pfeiffer, Antonius F. W. van der Steen, Robert Huber, and Gijs van SoestOptics Letters, Vol. 38, Issue 10, pp. 1715-1717 (2013) Abstract: We demonstrate intravascular optical coherence tomography (OCT) imaging with frame rate up to 3.2 kHz (192,000 rpm scanning). This was achieved by using a custom-built catheter in which the circumferential scanning was actuated by a 1.0 mm diameter synchronous motor. The OCT system, with an imaging depth of 3.7 mm (in air), is based on a Fourier domain mode locked laser operating at an A-line rate of 1.6 MHz. The diameter of the catheter is 1.1 mm at the tip. Ex vivo images of human coronary artery (78.4 mm length) were acquired at a pullback speed of 100 mm/s. True 3D volumetric imaging of the entire artery, with dense and isotropic sampling in all dimensions, was performed in <1 second acquisition time. BMO authors (in alphabetic order): Robert Huber Tom Pfeiffer Wolfgang Wieser Assoziierte Projekte: Optical Coherent Ranging and Optical Coherence Tomography (OCT): Imaging and profilometry with rapidly frequency swept laser sources Fourier Domain Mode Locking (FDML): Spectral mode locking in optics and applications  WWW-Version |
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Letzte Änderung: 2016-09-14 13:34
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