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13 May 2010 High density optical pressure sensor foil based on arrays of crossing flexible waveguides
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Abstract
To realize a high density matrix of pressure sensors, mainly electrical approaches are reported. The proposed highdensity optical pressure sensor is based on a matrix of 2 stacked layers of crossing multimode waveguides. When pressure is applied on a crossing point, the distance between the waveguides from the upper and lower layer will decrease and power is transmitted between these waveguides. The sensor consists of polymer waveguides embedded in polydimethylsiloxane (PDMS) which is a very flexible material. Therefore, it is ideally suited to be applied on irregular or moving surfaces especially for applications which require covering small areas with high density pressure sensors.
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Jeroen Missinne, Geert Van Steenberge, Bram Van Hoe, Erwin Bosman, Christof Debaes, Jürgen Van Erps, Chunxiao Yan, Eleonora Ferraris, Peter Van Daele, Jan Vanfleteren, Hugo Thienpont, and Dominiek Reynaerts "High density optical pressure sensor foil based on arrays of crossing flexible waveguides", Proc. SPIE 7716, Micro-Optics 2010, 77161G (13 May 2010); https://doi.org/10.1117/12.854578
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