Effect of coupling effectiveness on fiber optical probe

Guitong Hu; Jianhuan Zhang; Pinchun Kang; Qing'en Lin

doi:10.1117/12.783694

27 November 2007 Effect of coupling effectiveness on fiber optical probe

Guitong Hu, Jianhuan Zhang, Pinchun Kang, Qing'en Lin

Author Affiliations +

Proceedings Volume 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 672350 (2007) https://doi.org/10.1117/12.783694
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

Abstract

A fiber optical probe which is a non-contact, type and highly accurate, and small sized is designed in this paper to detect some holes which are only several millimeters and must be under monitor. Based on Gauss transferring theory, the mode matching principle and matrix optical theory, the effect of the structure of the optical fiber and lens connection is studied. Then the confocal speciality between optical fiber and GRIN lens is also studied based on a fiber optical confocal scanning microscopy (FOCSM). The coupling structure which can get maximal coupling efficiency is designed. Results of preliminary experiments are presented finally.

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Guitong Hu, Jianhuan Zhang, Pinchun Kang, and Qing'en Lin "Effect of coupling effectiveness on fiber optical probe", Proc. SPIE 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 672350 (27 November 2007); https://doi.org/10.1117/12.783694

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KEYWORDS

Confocal microscopy

GRIN lenses

Fiber optics

Optical fibers

Signal detection

Gaussian beams

Microscopy

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