Title :
Recent advances in evanescent-wave cavity ring-down spectroscopy
Author :
Pipino, Andrew C.R. ; Aarts, I.M.P. ; Hoefnagels, J.P.M. ; Kessels, W.M.M. ; van de Sanden, M.C.M.
Author_Institution :
Chem. Sci. & Technol. Lab., Nat. Inst. of Stand. & Technol., Gaithersburg, MD, USA
Abstract :
Evanescent wave cavity ring-down spectroscopy (EW-CRDS) is used to probe surface silanols (SiOH) and hydrogen-bonded water on an amorphous silica surface, revealing considerable ordering. A novel resonator for EW-CRDS of liquids is also described.
Keywords :
cavity resonators; hydrogen bonds; infrared spectra; infrared spectroscopy; light absorption; optical resonators; silicon compounds; spectrochemical analysis; H2O; SiO2; SiOH; absorption spectra; amorphous silica surface; evanescent-wave cavity ring-down spectroscopy; hydrogen-bonded water; optical absorption; surface silanol; Chemical technology; Optical attenuators; Optical films; Optical resonators; Optical sensors; Optical surface waves; Probes; Silicon compounds; Spectroscopy; Surface waves;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202025