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"Ultra high-speed swept source OCT imaging of the anterior segment of human eye at 200 kHz with adjustable imaging range" Michalina Gora, Karol Karnowski, Maciej Szkulmowski, Bartlomiej J. Kaluzny, Robert Huber, Andrzej Kowalczyk, Maciej Wojtkowski Optics Express 17, 14880-14894 (2009) Abstract: We present an application of in vivo anterior segment imaging of the human eye with an ultrahigh speed swept source OCT instrument. For this purpose, a dedicated OCT system was designed and constructed. This instrument enables axial zooming by automatic reconfiguration of spectral sweep range; an enhanced imaging range mode enables imaging of the entire anterior segment while a high axial resolution mode provides detailed morphological information of the chamber angle and the cornea. The speed of 200,000 lines/s enables high sampling density in three-dimensional imaging of the entire cornea in 250 ms promising future applications of OCT for optical corneal topography, pachymetry and elevation maps. The results of a preliminary quantitative corneal analysis based on OCT data free form motion artifacts are presented. Additionally, a volumetric and real time reconstruction of dynamic processes, like pupillary reaction to light stimulus or blink-induced contact lens movements are demonstrated. BMO authors (in alphabetic order): Robert Huber Assoziierte Projekte: Fourier Domain Mode Locking (FDML): Spectral mode locking in optics and applications Optical Coherent Ranging and Optical Coherence Tomography (OCT): Imaging and profilometry with rapidly frequency swept laser sources  WWW-Version |
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Letzte Änderung: 2016-09-14 13:34
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