22 July 2015 High definition in vivo retinal volumetric video rate OCT at 0.6 Giga-voxels per second
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Abstract
We present full volumetric high speed OCT imaging of the retina with multiple settings varying in volume size and volume rate. The volume size ranges from 255x255 A-scans to 160x40 A-scans with 450 samples per depth scan with volume rates varying between 20.8 V/s for the largest volumes to 195.2 V/s for the smallest. The system is based on a 1060nm Fourier domain mode locked (FDML) laser with 1.6MHz line rate. Scanning along the fast axis is performed with a 2.7 kHz or 4.3 kHz resonant scanner operated in bidirectional scanning mode, while a standard galvo scanner is used for the slow axis. The performance is analyzed with respect to various potential applications, like intraoperative OCT.
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Jan Philip Kolb, Jan Philip Kolb, Thomas Klein, Thomas Klein, Wolfgang Wieser, Wolfgang Wieser, Wolfgang Draxinger, Wolfgang Draxinger, Robert Huber, Robert Huber, } "High definition in vivo retinal volumetric video rate OCT at 0.6 Giga-voxels per second", Proc. SPIE 9541, Optical Coherence Imaging Techniques and Imaging in Scattering Media, 95410Z (22 July 2015); doi: 10.1117/12.2183768; https://doi.org/10.1117/12.2183768
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