TY - JOUR
T1 - Fiber-optic evanescent wave spectroscopy in the middle infrared
AU - Raichlin, Y.
AU - Katzir, A.
PY - 2008/2
Y1 - 2008/2
N2 - Fiber-optic evanescent wave spectroscopy (FEWS) in the mid-infrared region is a powerful tool for the study and analysis of solids, liquids, and gases, and of various mixtures of solids, liquids, and gases. The penetration depth of the evanescent field into the sample is small and the sensitivity of the sensor is limited, when a straight and uniform cylindrical optical fiber serves as a sensor. The FEWS technique based on silver halide optical fibers can be a useful tool for the detection of gases dissolved in liquids. FEWS may be used for the analysis of large samples, as well as the analysis of powders, and even of one small solid particle. FEWS measurement using the remote sensor system makes it possible to carry out real-time measurements on samples that are remote from the FTIR systems. FEWS method is also ideally suited for the study of time-dependent phenomena. Sedimentation fiber-optic evanescent wave spectroscopy (SFEWS) is a new method, which makes it possible to carry out measurements on living biological cells.
AB - Fiber-optic evanescent wave spectroscopy (FEWS) in the mid-infrared region is a powerful tool for the study and analysis of solids, liquids, and gases, and of various mixtures of solids, liquids, and gases. The penetration depth of the evanescent field into the sample is small and the sensitivity of the sensor is limited, when a straight and uniform cylindrical optical fiber serves as a sensor. The FEWS technique based on silver halide optical fibers can be a useful tool for the detection of gases dissolved in liquids. FEWS may be used for the analysis of large samples, as well as the analysis of powders, and even of one small solid particle. FEWS measurement using the remote sensor system makes it possible to carry out real-time measurements on samples that are remote from the FTIR systems. FEWS method is also ideally suited for the study of time-dependent phenomena. Sedimentation fiber-optic evanescent wave spectroscopy (SFEWS) is a new method, which makes it possible to carry out measurements on living biological cells.
UR - http://www.scopus.com/inward/record.url?scp=39749164131&partnerID=8YFLogxK
U2 - 10.1366/000370208783575456
DO - 10.1366/000370208783575456
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AN - SCOPUS:39749164131
SN - 0003-7028
VL - 62
SP - 55A-72A
JO - Applied Spectroscopy
JF - Applied Spectroscopy
IS - 2
ER -