1 July 2004 Dispersion compensation for proximal scanning rigid OCT endoscopes
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Abstract
Combining endoscopy with optical coherence tomography (OCT) can improve the diagnosis in minimal invasive procedures. Up to now OCT probes were constructed using rotating or moving single-mode fibers or micro scanners at the tip of the probe. We describe an endoscopic OCT system which uses a specially designed rigid endoscope with an extracorporal scanner to create OCT images with 15 μm resolution. The OCT endoscope was constructed using a 270 mm gradient index lens with a diameter of 3 mm. Dispersion of the endoscope was compensated in the OCT interferometer by an all fiber approach. The system is now being tested for detecting malignancies in the urinary bladder.
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Eva Lankenau, Eva Lankenau, Matthias Schumacher, Matthias Schumacher, Peter Koch, Peter Koch, Frank Konig, Frank Konig, Dmitri Daniltchenko, Dmitri Daniltchenko, Dietmar Schnorr, Dietmar Schnorr, Gereon Huettmann, Gereon Huettmann, } "Dispersion compensation for proximal scanning rigid OCT endoscopes", Proc. SPIE 5316, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine VIII, (1 July 2004); doi: 10.1117/12.531312; https://doi.org/10.1117/12.531312
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