Dispersion compensation for proximal scanning rigid OCT endoscopes

Eva Lankenau; Matthias Schumacher; Peter Koch; Frank Konig; Dmitri Daniltchenko; Dietmar Schnorr; Gereon Huettmann

doi:10.1117/12.531312

1 July 2004 Dispersion compensation for proximal scanning rigid OCT endoscopes

Eva Lankenau, Matthias Schumacher, Peter Koch, Frank Konig, Dmitri Daniltchenko, Dietmar Schnorr, Gereon Huettmann

Proceedings Volume 5316, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine VIII; (2004) https://doi.org/10.1117/12.531312
Event: Biomedical Optics 2004, 2004, San Jose, CA, United States

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.

Citation Download Citation

Eva Lankenau, Matthias Schumacher, Peter Koch, Frank Konig, Dmitri Daniltchenko, Dietmar Schnorr, and 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); https://doi.org/10.1117/12.531312

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