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Impressum
(c) 2002 BMO

"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 Huber
Proc. 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


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Letzte Änderung: 2016-09-14 13:34