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Optical Fiber Humidity Sensors Using PVdF Electrospun Nanowebs

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4 Author(s)
Corres, J.M. ; Electr. & Electron. Eng. Dept., Public Univ. of Navarra, Pamplona, Spain ; Garcia, Y.R. ; Arregui, F.J. ; Matias, I.R.

In this paper, a new optical fiber humidity sensor based on PVdF nanowebs is presented. The electrospinning technique has been used to create a nanometric scale membrane onto the surface of a hollow core fiber (HCF). The fabricated sensor has demonstrated a repetitive response in the range from 50 to 70% of relative humidity with a rise time of 100 ms. Among other applications, this sensor is intended to be used for monitoring the human breathing. Therefore, high dynamic performances are required, especially in the higher relative humidity ranges.

Published in:

Sensors Journal, IEEE  (Volume:11 ,  Issue: 10 )