Research on optical measurement technology of optical multifilament basic parameters

Guohui Zhou; Jianhua Wang

doi:10.1117/12.828794

20 May 2009 Research on optical measurement technology of optical multifilament basic parameters

Guohui Zhou, Jianhua Wang

Proceedings Volume 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 72833W (2009) https://doi.org/10.1117/12.828794
Event: AOMATT 2008 - 4th International Symposium on Advanced Optical Manufacturing, 2008, Chengdu, Chengdu, China

Abstract

The transverse section of optical multifilament is a six-sided cylinder, and the diameters of its circumcircle and excircle are the basic parameters. It is necessary that these parameters hold consistency. In this paper, the 2-D laser scanning technology is provided to measure these basic parameters of optical multifilament. To generate scanning beam with even palstance, DC moment motor is used to drive the eight-sided prism. The generated scanning beam is changed to constant velocity and parallel scanning beam by fθ lens. The parallel scanning beam passing through the measured optical multifilament is gathered onto the photoelectric conversion to make two edges of multifilament signal. By calculating the interval between two edge signals, the projection sizes on two orthogonality directions can be achieved, and then the diameters of circumcircle and excircle can be calculated. This paper provides the measuring mathematic model, analyzes the measuring error sources in detail and schedules the compensating tactics.

Citation Download Citation

Guohui Zhou and Jianhua Wang "Research on optical measurement technology of optical multifilament basic parameters", Proc. SPIE 7283, 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 72833W (20 May 2009); https://doi.org/10.1117/12.828794

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