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A highly-integrated MEMS-based bimodal probe design with integrated piezoelectric fiber scanner for simul-
taneous endomicroscopy and optical coherence tomography (OCT) is presented. The two modalities rely on
spectrally-separated optical paths that run partially in parallel through a micro-optical bench system, which has
dimensions of only 13 x 2 x 3mm3 (l x w x h). An integrated tubular piezoelectric fiber scanner is used
to perform en face scanning required for three dimensional OCT measurements. This scanning engine has an
outer diameter of 0.9mm and a length of 9mm, and features custom fabricated 10 μm thick polyimide flexible
interconnect lines to address the four piezoelectric electrodes. As a platform combining a full-field and a scanning
imaging modality, the developed probe design constitutes a blue print for a wide range of multi-modal endoscopic
imaging probes.
Simon Kretschmer,Sergio Vilches,Marc Blattmann,Caglar Ataman, andHans Zappe
"Design and optimization of a miniaturized imaging probe for simultaneous endomicroscopy and optical coherence tomography", Proc. SPIE 10053, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI, 100530B (17 February 2017); https://doi.org/10.1117/12.2254090
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Simon Kretschmer, Sergio Vilches, Marc Blattmann, Caglar Ataman, Hans Zappe, "Design and optimization of a miniaturized imaging probe for simultaneous endomicroscopy and optical coherence tomography," Proc. SPIE 10053, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI, 100530B (17 February 2017); https://doi.org/10.1117/12.2254090