13 December 2000 Signal of the evanescent wave sensor as a function of its length and the refractive index of the surrounding medium
Author Affiliations +
Proceedings Volume 4239, Lightguides and their Applications; (2000) https://doi.org/10.1117/12.409176
Event: Lightguides and their Applications, 1999, Krasnobrod, Poland
Abstract
The paper describes an evanescent wave sensor model operating far from the modal steady state. Assuming that of the numerical aperture varies exponentially with the fibre length and the light losses are proportional to the local and fibre numerical apertures ratio, the sensor description was evaluated. Experiments, in which the sensor absorbance versus the refractive index of the medium surrounding the fibre core and the fibre sensing section length, were made to confirm the theoretical model of the sensor and good agreement was observed.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jan Rayss, Grzegorz Sudolski, "Signal of the evanescent wave sensor as a function of its length and the refractive index of the surrounding medium", Proc. SPIE 4239, Lightguides and their Applications, (13 December 2000); doi: 10.1117/12.409176; https://doi.org/10.1117/12.409176
PROCEEDINGS
9 PAGES


SHARE
Back to Top