Title :
Sensitized silicon ring resonators for the detection of TNT in the gas phase
Author :
Orghici, Rozalia ; Wilier, Ulrike ; Liitzow, Peter ; Schade, Wolfgang
Author_Institution :
Fraunhofer Heinrich Hertz Inst., Goslar, Germany
Abstract :
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.
Keywords :
elemental semiconductors; explosives; fibre optic sensors; gas sensors; intercalation compounds; optical resonators; refractive index; silicon; Si; TNT detection; TNT intercalation; gas phase; receptor molecules coating; refractive index; resonance frequency; silicon ring resonators; Explosives; Optical ring resonators; Optical waveguides; Resonant frequency; Sensors; Silicon; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
