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We present an all-polymer optical humidity sensor, based on a 1mm 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...
Lamination processes are a wide spread method to generate polymer multilayer foils where foils with different functions are stacked on top of each other. However, the process is limited to compatible materials because sufficient adhesion between the different layers relies on the interdiffusion of polymer chains from one material to the other. In this paper, we report on a new reactive lamination...
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