Fiber Optic Evanescent Field Sensor for Hydrocarbon Monitoring in Air and Water applying UV Absorption

1996 ◽  
Author(s):  
G. Schwotzer ◽  
I. Latka ◽  
H. Lehmann ◽  
R. Willsch
Keyword(s):  
Fiber Optic ◽  
Evanescent Field ◽  
Uv Absorption ◽  
Field Sensor

Fiber-optic evanescent-field sensor for attitude measurement

2017 ◽  
Vol 26 (11) ◽  
pp. 115018
Author(s):  
Yun Liu ◽  
Shimeng Chen ◽  
Zigeng Liu ◽  
Jianye Guang ◽  
Wei Peng
Keyword(s):  
Fiber Optic ◽  
Evanescent Field ◽  
Attitude Measurement ◽  
Field Sensor

Fiber optic evanescent field sensor for detection of explosives and CO2 dissolved in water

2008 ◽  
Vol 90 (2) ◽  
pp. 355-360 ◽  
Author(s):  
R. Orghici ◽  
U. Willer ◽  
M. Gierszewska ◽  
S.R. Waldvogel ◽  
W. Schade
Keyword(s):  
Fiber Optic ◽  
Evanescent Field ◽  
Field Sensor ◽  
Detection Of Explosives

The Effect of Length and Diameter on the Signal-to-Noise Ratio of Evanescent Field Absorption Fiber-Optic Sensors

1992 ◽  
Vol 46 (7) ◽  
pp. 1129-1133 ◽  
Author(s):  
T. B. Colin ◽  
K.-H. Yang ◽  
M. A. Arnold ◽  
Gary W. Small ◽  
W. C. Stwalley
Keyword(s):  
Near Infrared ◽  
Fiber Optic ◽  
Signal To Noise Ratio ◽  
Fiber Optic Sensors ◽  
Evanescent Field ◽  
Infrared Sensor ◽  
Signal To Noise ◽  
Optimal Length ◽  
Sensor Applications ◽  
Field Sensor

This paper discusses the theoretical and experimental implications of changing the length and diameter of the evanescent field sensing region of an evanescent field sensor. Particular emphasis is placed on optimizing the intensity of the evanescent field for near-infrared sensor applications. Both theoretical and experimental results show that an optimal length and diameter must be determined experimentally for each analyte system.

scholarly journals Research on the fiber-optic evanescent field sensor based on microfabvication and the effect of fiber length on its properties

2009 ◽  
Vol 58 (4) ◽  
pp. 2501
Author(s):  
Zhuang Xu-Ye ◽  
Liu Yong-Shun ◽  
Wang Shu-Rong ◽  
Wu Yi-Hui ◽  
Zhang Ping
Keyword(s):  
Fiber Length ◽  
Fiber Optic ◽  
Evanescent Field ◽  
Field Sensor

Nano-Optical Fiber Evanescent Field Sensors

2012 ◽  
Vol 626 ◽  
pp. 1027-1032 ◽  
Author(s):  
Radhi M. Chyad ◽  
Mohd Zubir Mat Jafri ◽  
Kamarulazizi Ibrahim
Keyword(s):  
Chemical Sensors ◽  
Fiber Optic ◽  
Evanescent Field ◽  
Fiber Optic Sensor ◽  
Core Radius ◽  
The Core ◽  
Optic Sensor ◽  
Field Sensor ◽  
Core Fiber ◽  
Absorption Field

The nanofiber optic evanescent field sensor based on a changed cladding part as a sensor presented numerically. The influences of numerical opening, core radius of the fiber, the wavelength is effected on the light source and the submicron fiber on the sensors are promise to studied in this work. The results pointed out the sensitivity of the sensor increases when the numerical opening of the fiber is increases and the core radius is decreases. The NA of the fiber affects the sensitivity of the sensor. In the uniform core fiber, the increase in the NA increases the sensitivity of the sensor. Therefore, one should choose a fiber with high NA for the design of an evanescent-wave-absorption sensor if the core of the sensing segment uniform in diameter, so that the increase in the penetration depth or number of ray reflections or both, increases the evanescent absorption field and hence the sensitivity of the sensors. Keywords:fiber optic sensor, chemical sensors, biosensors, nanofiber optic.

High-sensitivity fiber optic magnetic field sensor based on lossy mode resonance and hollow core-offset structure

2021 ◽  
pp. 1-12
Author(s):  
Xue-Peng Jin ◽  
Hong-Zhi Sun ◽  
Shuo-Wei Jin ◽  
Wan-Ming Zhao ◽  
Jing-Ren Tang ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Fiber Optic ◽  
High Sensitivity ◽  
Magnetic Field Sensor ◽  
Hollow Core ◽  
Field Sensor

Triaxial Fiber Optic Magnetic Field Sensor for Magnetic Resonance Imaging

2017 ◽  
Vol 35 (18) ◽  
pp. 3924-3933 ◽  
Author(s):  
Massimo L. Filograno ◽  
Marco Pisco ◽  
Angelo Catalano ◽  
Ernesto Forte ◽  
Marco Aiello ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Field ◽  
Magnetic Resonance ◽  
Fiber Optic ◽  
Magnetic Field Sensor ◽  
Resonance Imaging ◽  
Field Sensor
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