Empa: new sensor can “feel” clothes

new sensor can “feel” clothes

EMPA Sensor
EMPA Sensor

For the development of textiles the properties of textile surfaces should be predicted exactly. Researchers of Empa, Dübendorf/Switzerland, in partnership with colleagues from the Université de Haute-Alsace in Mulhouse/France, have developed an analytic instrument made of optical sensor that objectively evaluates the tactile properties of textiles.

To enable the sensor to detect the tactile properties of a surface, the researchers took the human fingertip as a model: concentric grooves in the micrometer range cover the optical polymer fibers. If the fibers are subjected to mechanical stress when touching a textile surface, the intensity of their light transmission changes. The sensor would render surveys with test persons which are notoriously subjective.

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