Fiber optic NIR evanescent wave absorption sensor systems for in-situ monitoring of hydrocarbon compounds in waste and ground water

1999 ◽  
Author(s):  
Jochen Buerck ◽  
P. Denter ◽  
M. Mensch ◽  
K. Kraemer ◽  
Michael Scholz
Keyword(s):  
Ground Water ◽  
Evanescent Wave ◽  
Fiber Optic ◽  
In Situ Monitoring ◽  
Sensor Systems ◽  
Wave Absorption

scholarly journals Evanescent Wave Absorption Based S-shaped Fiber-optic Biosensor for Immunosensing Applications

2016 ◽  
Vol 168 ◽  
pp. 117-120 ◽  
Author(s):  
S. Chauhan ◽  
N. Punjabi ◽  
D. Sharma ◽  
S. Mukherji
Keyword(s):  
Evanescent Wave ◽  
Fiber Optic ◽  
Wave Absorption

Sapphire Fiber Evanescent Wave Absorption in Turbid Media

2009 ◽  
Vol 63 (8) ◽  
pp. 932-935 ◽  
Author(s):  
Jian Zhang ◽  
Feibing Xiong ◽  
Nicholas Djeu
Keyword(s):  
Glassy Carbon ◽  
Chemical Sensors ◽  
Evanescent Wave ◽  
Fiber Optic ◽  
Wave Interaction ◽  
Carbon Powder ◽  
Control Applications ◽  
Wave Absorption ◽  
Water Band ◽  
Sapphire Fiber

The influence of particulates on sapphire fiber evanescent wave absorption by water has been studied. Suspensions containing microsized graphite flakes and glassy carbon powder were used. Conventional free-space transmittance measurements of these samples showed strong absorption and scattering, which severely screened the absorption by water. However, the absorption on the water band determined from the evanescent wave interaction was unaffected by the presence of the graphite flakes. These results indicate that fiber-optic evanescent wave chemical sensors may be suitable for process control applications involving turbid reactor streams.

scholarly journals In-situ monitoring of cross-linking reactions using E-glass fibres and evanescent wave spectroscopy

2016 ◽  
Vol 236 ◽  
pp. 358-366 ◽  
Author(s):  
L. Wang ◽  
A. Tomlin ◽  
S.D. Pandita ◽  
B.D. Gupta ◽  
S.A. Malik ◽  
...  
Keyword(s):  
Evanescent Wave ◽  
In Situ Monitoring ◽  
Cross Linking ◽  
Glass Fibres

Quantitative in Situ Monitoring of an Elevated Temperature Reaction Using a Water-Cooled Mid-Infrared Fiber-Optic Probe

1996 ◽  
Vol 68 (7) ◽  
pp. 1116-1123 ◽  
Author(s):  
Paul MacLaurin ◽  
Nicholas C. Crabb ◽  
Ian Wells ◽  
Paul J. Worsfold ◽  
David Coombs
Keyword(s):  
Elevated Temperature ◽  
Fiber Optic ◽  
In Situ Monitoring ◽  
Temperature Reaction ◽  
Fiber Optic Probe ◽  
Mid Infrared ◽  
Optic Probe
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