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.
© 2011 OSA
R. Orghici, U. Willer, P. Lützow, and W. Schade, "Sensitized Silicon Ring Resonators for the Detection of TNT in the Gas Phase," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CThC2.
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