SYSTEMS AND METHODS FOR SCALABLE FABRICATION OF HIGH-PERFORMANCE OPTICAL COHERENCE TOMOGRAPHY ENDOSCOPES USING LIQUID SHAPING TECHNIQUE
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United States of America
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Mar 20, 2025
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Jul 17, 2024
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Jul 17, 2024
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Abstract
Endoscopic optical coherence tomography (OCT) provides diagnostic images of internal organs and guides interventions in real-time. A liquid shaping method and system are provided for the rapid and scalable fabrication of high-performance OCT endoscopes working at various wavelength ranges. The method and systems enable the flexible customization of freeform lenses with sub-nanometer optical surface roughness by regulating the minimum energy state of curable optical liquid on a wettability-modified substrate and precisely controlling the liquid volume and physical boundary on a substrate. As a result, multiple endoscopes, for example, 800-nm OCT endoscopes with a diameter of approximately 0.6 mm including both rigid and flexible endoscopes, can be simultaneously fabricated. The liquid shaping method and systems offer new approaches for mass production of cost-effective and high-performance OCT endoscopes.
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