Miniature Chemical Sensor Combining Molecular Recognition with Evanescent Wave Cavity Ring-Down Spectroscopy | Zendy

Andrew C. R. Pipino | Zendy; Curtis W. Meuse | Zendy

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Miniature Chemical Sensor Combining Molecular Recognition with Evanescent Wave Cavity Ring-Down Spectroscopy

Author(s) -

Andrew C. R. Pipino,

Curtis W. Meuse

Publication year - 2002

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/834661

Subject(s) - evanescent wave , spectroscopy , cavity ring down spectroscopy , polarization (electrochemistry) , refractive index , chemical species , chemical sensor , materials science , optoelectronics , optics , analytical chemistry (journal) , chemistry , nanotechnology , physics , environmental chemistry , organic chemistry , electrode , quantum mechanics

To address the chemical sensing needs of DOE, a new class of chemical sensors is being developed that enables qualitative and quantitative, remote, real-time, optical diagnostics of chemical species in hazardous gas, liquid, and semi-solid phases by employing evanescent wave cavity ringdown spectroscopy (EW-CRDS). The sensitivity of EW-CRDS was demonstrated previously under Project No.60231. The objective of this project is to enhance the range of application and selectivity of the technique by combining EW-CRDS with refractive-index-sensitive nanoparticle optics, molecular recognition (MR) chemistry, and by utilizing the polarization-dependence of EW-CRDS. Research Progress and Implication

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