Method for producing angled optical fiber tips in the laboratory

Davenport, J. J., Hickey, M., Phillips, J. P. & Kyriacou, P. A. (2016). Method for producing angled optical fiber tips in the laboratory. Optical Engineering, 55(2), 026120. doi: 10.1117/1.OE.55.2.026120

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Abstract

A simple laboratory method is presented for producing optical fibers with tips polished at various angles. Angled optical fiber tips are used in applications such as optical sensing and remote laser surgery, where they can be used to control the angle of light leaving the fiber or direct it to the side. This allows for greater control and allows areas to be reached that otherwise could not. Optical fibers were produced with tip angles of 45 deg using a Perspex mounting block with an aluminum base plate. The dispersion of light leaving the tip was tested using a blue (470 nm) LED. The angle imposed an angular shift on the light diffracting out of the tip of approximately 30 deg. Additionally, some light reflected from the tip surface to diffract at 90 deg through the side of the fiber. These observations are consistent with theory and those seen by other studies, validating the method. The method was simple to perform and does not require advanced manufacturing tools. The method is suitable for producing small quantities of angle-tipped optical fibers for research applications.

Item Type: Article
Additional Information: Davenport, J. J., Hickey, M., Phillips, J. P. & Kyriacou, P. A., Method for producing angled optical fiber tips in the laboratory., Optical Engineering, 55(2), 026120, 2016. Copyright 2016 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. http://dx.doi.org/10.1117/1.OE.55.2.026120
Uncontrolled Keywords: angled-tip fiber probe; cleaving; optical fiber dispersion; optical fiber sensors; biomedical; photonics
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: School of Engineering & Mathematical Sciences > Engineering
URI: http://openaccess.city.ac.uk/id/eprint/13610

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