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High-speed gated surface profiling with closed-loop optical coherence topography
Ilos Eix1, Andrei V Zvyagin, David D Sampson
1Laboratory for Information Processing Technology (ITIV), University of Karlsruhe, Germany. eix@itiv.uni-karlsruhe.de
Biomedizinische Technik. Biomedical Engineering
|November 28, 2002
Abstract:
The here presented work describes a surface profiling technique, for which the term closed-loop optical coherence topography (CLOCT) was proposed [1]. This technique is a scanning beam, servo-locked variation of low-coherence interferometry. It allows for the sub-wavelength-resolution tracking of a weakly scattering macroscopic-scale surface with the absence of significant real-time computational overhead and is thus particularly well suited to real-time surface profiling of in vivo, macroscopic biological surfaces.