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Sensitized silicon ring resonators for the detection of TNT in the gas phase

: Orghici, R.; Willer, U.; Lützow, P.; Schade, W.

Institute of Electrical and Electronics Engineers -IEEE-; Optical Society of America -OSA-, Washington/D.C.:
Conference on Lasers and Electro-Optics, CLEO 2011. Vol.3 : Baltimore, Maryland, USA, 1 - 6 May 2011; Including Quantum Electronics and Laser Science Conference (QELS 2011)
Piscataway/NJ: IEEE, 2011
ISBN: 978-1-4577-1223-4
ISBN: 978-1-55752-910-7
Conference on Lasers and Electro-Optics (CLEO) <2011, Baltimore/Md.>
Quantum Electronics and Laser Science Conference (QELS) <2011, Baltimore/Md.>
Fraunhofer HHI ()

A silicon ring resonator is coated with receptor molecules for selective enrichment of TNT. Upon intercalation of TNT, changes in effective refractive index lead to a shift in resonance frequency which can accurately be determined.