20 March 2013 Design of a swept-source, anatomical OCT system for pediatric bronchoscopy
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Abstract
We describe the design and performance of a long coherence length, swept-source anatomical OCT (aOCT) system for pediatric airway imaging. A fiber-optic catheter is designed to be accommodated by a small-bore bronchoscope, and is scanned distally in a helical scan pattern to provide aOCT during bronchoscopy. We discuss particular challenges associated with the need for large imaging range, low SNR roll-off, and small catheter diameter. We present 3-D visualizations of airway phantoms and discuss optimization of the airway surface geometry obtained by aOCT. Accurate reconstruction of airway geometry will enable predictive modeling of patients suffering from airway obstruction.
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Kushal C. Wijesundara, Kushal C. Wijesundara, Nicusor V. Iftimia, Nicusor V. Iftimia, Amy L. Oldenburg, Amy L. Oldenburg, } "Design of a swept-source, anatomical OCT system for pediatric bronchoscopy", Proc. SPIE 8571, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XVII, 85713K (20 March 2013); doi: 10.1117/12.2004226; https://doi.org/10.1117/12.2004226
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