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Proceedings Paper

Fiber geometry parameter measurement
Author(s): Lei Chen; Jinbang Chen; Qingyun Wang; Rihong Zhu; Runhua Lu
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Paper Abstract

An automatic method of measuring fiber geometry parameters is described. The parameters include core diameter, cladding diameter, core non-circularity, cladding non-circularity and core/cladding concentricity. The image of the fiber under test is received by a CCD camera and transferred to an image grabber plugged in a microcomputer for further analysis. Several digital image-processing methods are used to remove the noise in fiber image. The image segment algorithm is used to extract data points. The data is analyzed using different algorithms to give the geometry parameters of the fiber. Sophisticated software is programmed. An instrument is developed based on the hardware and software described above. All of the parameters and graphics can be obtained within 30 seconds. The repeatability of the instrument is as follows: core diameter, cladding diameter, core non- circularity, cladding non-circularity, core/cladding concentricity.

Paper Details

Date Published: 13 August 1998
PDF: 5 pages
Proc. SPIE 3555, Optical and Fiber Optic Sensor Systems, (13 August 1998); doi: 10.1117/12.318170
Show Author Affiliations
Lei Chen, Nanjing Univ. of Science and Technology (China)
Jinbang Chen, Nanjing Univ. of Science and Technology (China)
Qingyun Wang, Nanjing Univ. of Science and Technology (China)
Rihong Zhu, Nanjing Univ. of Science and Technology (China)
Runhua Lu, Shanghai Electric Cable Research Institute (China)


Published in SPIE Proceedings Vol. 3555:
Optical and Fiber Optic Sensor Systems
Shanglian Huang; Kim D. Bennett; David A. Jackson, Editor(s)

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