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標題: A Flexible FOV Capsule Endoscope Design Based on Compound Lens
作者: Yung-Chieh Tseng
Pin Han
Hsun-Ching Hsu
Cheng-Mu Tsai
關鍵字: Compound lens;capsule endoscope (CE);lens design
Project: Journal of Display Technology, Volume: 12 , Issue: 12 , Dec. 2016
This paper proposes a capsule endoscope (CE) with a flexible large field of view (FOV) that imitates the compound eyes of insects, like those of a fly. Thirty-one ball lenses are demonstrated to cover 175° viewing area for constructing the compound lens. The ball lens used in the CE is responsible for 40° view to form the image on a curve image plane. A fiber array is applied to fit the curve image plane to improve the field curvature aberration and deliver the image into an image sensor. Such a compound lens can share image aberrations into the multiple ball lenses, keep high relative illumination (RI), and make the adjustment of the FOV possible. With a 45 × 45 fiber array, a ray tracing is simulated to verify that the proposed CE is feasible. The results show that the CE can capture 175° viewing area though the compound lens with ball-lens-based design.
DOI: 10.1109/JDT.2016.2615681
Appears in Collections:精密工程研究所

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