Chemical Sensing Using Fiber Cavity Ring-Down Spectroscopy
AbstractWaveguide-based cavity ring-down spectroscopy (CRD) can be used for quantitative measurements of chemical concentrations in small amounts of liquid, in gases or in films. The change in ring-down time can be correlated to analyte concentration when using fiber optic sensing elements that change their attenuation in dependence of either sample absorption or refractive index. Two types of fiber cavities, i.e., fiber loops and fiber strands containing reflective elements, are distinguished. Both types of cavities were coupled to a variety of chemical sensor elements, which are discussed and compared.
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Waechter, H.; Litman, J.; Cheung, A.H.; Barnes, J.A.; Loock, H.-P. Chemical Sensing Using Fiber Cavity Ring-Down Spectroscopy. Sensors 2010, 10, 1716-1742.
Waechter H, Litman J, Cheung AH, Barnes JA, Loock H-P. Chemical Sensing Using Fiber Cavity Ring-Down Spectroscopy. Sensors. 2010; 10(3):1716-1742.Chicago/Turabian Style
Waechter, Helen; Litman, Jessica; Cheung, Adrienne H.; Barnes, Jack A.; Loock, Hans-Peter. 2010. "Chemical Sensing Using Fiber Cavity Ring-Down Spectroscopy." Sensors 10, no. 3: 1716-1742.