10 February 2005 Microstructure inspection endoscope design
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Abstract
A microstructure inspection endoscope, based on directly imaging, is proposed. It is designed for detecting defects on the surface of optical fiber end. It is matched with FC or SC female fiber connector. The inspection head of the endoscope can be put into a 2.5-millimeter-diameter micro-pore. Its numerical aperture is not restricted by tiny dimension of object lenses. System resolution is increased to 600 line-pairs per millimeter. The endoscope consists of object lenses, scanner slab and kohler illumination system. The design provides possibility of various utilities such as aiming at a smaller subject by micro optical scanner and modeling the surface by tri-dimensional vision. And the optical system includes low-magnification lenses and high-magnification zoom lenses. Rough observation at low-magnification and particularly inspection at high-magnification are provided. The instrument has the advantages of high identification, compact configuration and flexible manipulation.
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Na Liu, Na Liu, Chao Jing, Chao Jing, Hongxia Zhang, Hongxia Zhang, Yimo Zhang, Yimo Zhang, Wencai Jing, Wencai Jing, Ge Zhou, Ge Zhou, } "Microstructure inspection endoscope design", Proc. SPIE 5638, Optical Design and Testing II, (10 February 2005); doi: 10.1117/12.576670; https://doi.org/10.1117/12.576670
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