A two-dimensional photonic crystal microcavity coupled to a photonic crystal waveguide is proposed to realise a high sensitive pressure sensor, designed on a GaAs membrane. A theoretical model is developed to evaluate the change of the refractive index induced by the application of a force onto a sensing surface. A linear calibration curve is obtained relating the resonant drop position to the applied pressure. [DOI:10.2971/jeos.2007.07017]
High sensitivity photonic crystal pressure sensor
De Sario M.;D'Orazio A.;Marrocco V.;Petruzzelli V.;Vincenti M. A.;Prudenzano F;Grande M.;
2007-01-01
Abstract
A two-dimensional photonic crystal microcavity coupled to a photonic crystal waveguide is proposed to realise a high sensitive pressure sensor, designed on a GaAs membrane. A theoretical model is developed to evaluate the change of the refractive index induced by the application of a force onto a sensing surface. A linear calibration curve is obtained relating the resonant drop position to the applied pressure. [DOI:10.2971/jeos.2007.07017]File in questo prodotto:
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