We have presented the endoscopic optical lens module based on fiber-optic image bundle and obtained ex vivo fluorescence image for the colon tissue of a mouse using a designed optical lens. The optical system consisted of the aspherical lens with a total track length (TTL) of 2.0mm. In order to demonstrate endoscopic fluorescence imaging for the colon cancer, we developed fiber-optic bundle imaging system with the manufactured optical mini-probe.

© 2018 Optical Society of Japan

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