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Proceedings Paper

Optical Fibre Refractometer For Liquid Refractive Index Measurement
Author(s): W. Golunski; R. Hypszer; J. Plucinski
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Paper Abstract

The construction and principle of operation of optical fibre refractometer is given in the paper. The refractometer operates on attenuation changing measurement. The attenuation changing is a function of mode radiation from specially bent optical fibre. A quartz step index, optical fibre with polymer coat and 130 um core in diameter was used to develop the model of the sensor. At the place of bending the coat was removed. The sensors with a different diameter of bending were examined in liquids with known refractive indexes. In the transmitter was used LED while receiver was made with pin fotodiode.

Paper Details

Date Published: 30 January 1990
PDF: 3 pages
Proc. SPIE 1085, Optical Fibres and Their Applications V, (30 January 1990); doi: 10.1117/12.952992
Show Author Affiliations
W. Golunski, Technical University of Gdansk (Poland)
R. Hypszer, Technical University of Gdansk (Poland)
J. Plucinski, Technical University of Gdansk (Poland)

Published in SPIE Proceedings Vol. 1085:
Optical Fibres and Their Applications V
Ryszard S. Romaniuk; Mieczyslaw Szustakowski, Editor(s)

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