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Proceedings Paper

Analysis of FDML lasers with meter range coherence
Author(s): Tom Pfeiffer; Wolfgang Draxinger; Wolfgang Wieser; Thomas Klein; Markus Petermann; Robert Huber
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Paper Abstract

FDML lasers provide sweep rates in the MHz range at wide optical bandwidths, making them ideal sources for high speed OCT. Recently, at lower speed, ultralong-range swept-source OCT has been demonstrated using a tunable vertical cavity surface emitting laser (VCSEL) and also using a Vernier-tunable laser. These sources provide relatively high sweep rates and meter range coherence lengths. In order to achieve similar coherence, we developed an extremely well dispersion compensated Fourier Domain Mode Locked (FDML) laser, running at 3.2 MHz sweep rate and 120 nm spectral bandwidth. We demonstrate that this laser offers meter range coherence and enables volumetric long range OCT of moving objects.

Paper Details

Date Published: 21 February 2017
PDF: 6 pages
Proc. SPIE 10053, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI, 100531T (21 February 2017); doi: 10.1117/12.2254792
Show Author Affiliations
Tom Pfeiffer, Univ. zu Lübeck (Germany)
Wolfgang Draxinger, Univ. zu Lübeck (Germany)
Optores GmbH (Germany)
Wolfgang Wieser, Optores GmbH (Germany)
Thomas Klein, Optores GmbH (Germany)
Markus Petermann, Optores GmbH (Germany)
Robert Huber, Univ. zu Lübeck (Germany)

Published in SPIE Proceedings Vol. 10053:
Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI
James G. Fujimoto; Joseph A. Izatt; Valery V. Tuchin, Editor(s)

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