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"Multi-MHz FDML OCT: snapshot retinal imaging at 6.7 million axial-scans per second" Thomas Klein, Wolfgang Wieser, Raphael André, Tom Pfeiffer, Christoph M. Eigenwillig, and Robert HuberProc. SPIE 8213, 82131E (2012) Abstract: We demonstrate the acquisition of densely sampled wide-field 3D OCT datasets of the human retina in 0.3s. This performance is achieved with a multi-MHz Fourier domain mode-locked (FDML) laser source operating at 1050nm. A two-beam setup doubles the 3.35MHz laser sweep rate to 6.7MHz, which is 16x faster than results achieved with any non-FDML source used for retinal OCT. We discuss two main benefits of these high line rates: First, large datasets over an ultra-wide field of view can be acquired with a low probability of distortions. Second, even if eye movements occur, now the scan rate is high enough to directly correct even the fastest saccades without loss of information. BMO authors (in alphabetic order): Raphael André Christoph Eigenwillig Robert Huber Thomas Klein 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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