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Proceedings Paper

Research on vision-based profile measurement of micro special-shaped component
Author(s): Tao Geng; HaiBin Wu; YongChang Li
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Paper Abstract

Fused-taper optical fiber devices are the most typical and basic optical passive devices. Electro-thermal fiber welding and tapering technique is one of new optical fiber fusion welding technologies and the heater's shape and temperature distribution has an important influence on the quality of optical fiber fusion. With help of Finite Element Analysis software, the temperature field distribution character of the specially shaped heater and surrounding temperature field are analyzed. According to the different kinds of microstructure optical fiber, adjust electrical parameter timely, then, better quality of optical fiber fusion will be got. In the paper, it suggests a vision measurement on the specially shaped heater's surface parameter which is based on image processing technology. This method chooses CCD as the image sensor. Firstly, median-filter of the 3x3 window in the detecting system is chosen to do the image pretreatment. Secondly, canny operator whose anti-noise capacity is strong is chosen as the edge detection operator in the system. Thirdly, with the method of least square, subarea curve fitting and straight line fitting are done to specially shaped component. The experiment results show that the morphology parameters of specially shaped heater can be calculated accurately. And the parameters can provide important information for studying on the heater temperature field distribution and the performance of the optical fiber fusion welding technology.

Paper Details

Date Published: 28 November 2011
PDF: 7 pages
Proc. SPIE 8200, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology, 82001D (28 November 2011); doi: 10.1117/12.906528
Show Author Affiliations
Tao Geng, Harbin Engineering Univ. (China)
HaiBin Wu, Harbin Engineering Univ. (China)
YongChang Li, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 8200:
2011 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology
Toru Yoshizawa; Ping Wei; Jesse Zheng, Editor(s)

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