A planar low-cost full-polymer optical humidity sensor

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Kelb, C.; Körner, M.; Pruckner, O.; Rühe, J.; Reithmeier, E.; Roth, B.: A planar low-cost full-polymer optical humidity sensor. In: Procedia Technology 26 (2016), S. 530-536. DOI: https://doi.org/10.1016/j.protcy.2016.08.066

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Abstract: 
We present an all-polymer optical humidity sensor, based on a 1 mm plastic optical fiber (POF) with a U-bend, cladded with poly(N,N-dimethylacrylamide) (PDMAA) in the sensing region. The cladding changes its scattering properties on absorption of environmental humidity, thus modulating the transmitted optical power through the sensor. We explain the working principle of the sensor and show experimental results regarding scattering behavior of the cladding material and sensitivity to sudden humidity changes. We also propose a planar layout suitable for application to a hot embossing or lamination process for large-scale fabrication.
License of this version: CC BY-NC-ND 4.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2016
Appears in Collections:Fakultät für Maschinenbau

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1 image of flag of Germany Germany 38 92.68%
2 image of flag of United States United States 1 2.44%
3 image of flag of Turkey Turkey 1 2.44%
4 image of flag of Argentina Argentina 1 2.44%

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