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Porous Silicon Based Resonant Mirrors for Biochemical Sensing
AbstractWe report on our preliminary results in the realization and characterization of a porous silicon (PSi) resonant mirror (RM) for optical biosensing. We have numerically and experimentally studied the coupling between the electromagnetic field, totally reflected at the base of a high refractive index prism, and the optical modes of a PSi waveguide. This configuration is very sensitive to changes in the refractive index and/or in thickness of the sensor surface. Due to the high specific area of the PSi waveguide, very low DNA concentrations can be detected confirming that the RM could be a very sensitive and labelfree optical biosensor.
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De Tommasi, E.; De Stefano, L.; Rea, I.; Di Sarno, V.; Rotiroti, L.; Arcari, P.; Lamberti, A.; Sanges, C.; Rendina, I. Porous Silicon Based Resonant Mirrors for Biochemical Sensing. Sensors 2008, 8, 6549-6556.View more citation formats
De Tommasi E, De Stefano L, Rea I, Di Sarno V, Rotiroti L, Arcari P, Lamberti A, Sanges C, Rendina I. Porous Silicon Based Resonant Mirrors for Biochemical Sensing. Sensors. 2008; 8(10):6549-6556.Chicago/Turabian Style
De Tommasi, Edoardo; De Stefano, Luca; Rea, Ilaria; Di Sarno, Valentina; Rotiroti, Lucia; Arcari, Paolo; Lamberti, Annalisa; Sanges, Carmen; Rendina, Ivo. 2008. "Porous Silicon Based Resonant Mirrors for Biochemical Sensing." Sensors 8, no. 10: 6549-6556.
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