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Proceedings Paper

Dual POF and prism sensor for liquid concentration measurement based on hysteresis area
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Paper Abstract

An intensity modulated Fiber optic prism based liquid concentration sensor is proposed. The sensing principle is based on total internal reflection (TIR) inside the prism which gets modulated in the vicinity of liquid as a function of refractive index. The precise movement of sensor head in liquids, gives rise to a hysteresis curve which is considered as a measure of liquid concentration. Different liquid concentrations of Sucrose, Saline solution (NaCl) and Glycerin are taken for the study. The sensor exhibits sensitivity of 371.16, 2133.25 and 1501.89 Sucrose, Saline water and Glycerin solutions respectively.

Paper Details

Date Published: 29 April 2016
PDF: 5 pages
Proc. SPIE 9899, Optical Sensing and Detection IV, 989921 (29 April 2016); doi: 10.1117/12.2226022
Show Author Affiliations
P. V. N. Kishore, National Institute of Technology, Warangal (India)
Nishath Ashfak Shaikh, National Institute of Technology, Warangal (India)
Sourabh Roy, National Institute of Technology, Warangal (India)
M. Sai Shankar, National Institute of Technology, Warangal (India)
Putha Kishore, National Institute of Technology, Warangal (India)


Published in SPIE Proceedings Vol. 9899:
Optical Sensing and Detection IV
Francis Berghmans; Anna G. Mignani, Editor(s)

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