Abstract this paper presents an overview of fiber optic sensor technology basic classifications of optic sensors namely the extrinsic sensors and the intrinsic sensors and their operation principles also discussed the basic functions of optical fiber sensors.
Fiber optics sensor system ppt.
A fiber optic sensor is a sensor that uses optical fiber either as the sensing element intrinsic sensors or as a means of relaying signals from a remote sensor to the electronics that process the signals extrinsic sensors.
Fiber optic sensors advantages of fiber optic sensors electrically insulating materials no electrical cables are required high voltage environments chemically passive not subject e g.
The fohs system includes an fohs a spectrometer a halogen white light source and a y coupler.
The fohs is composed of a humidity sensing material a metal tube a multi mode plastic optical.
Bending the fiber as the deformer closes on the fiber radiation losses increase and the.
Significantly the telecommunication technology has changed the recent advances in fiber optic technology.
Depending on the application fiber may be used because of its small size or because no electrical power is needed at the.
Fiber optic sensors 2.
Many of the components associated with these devices are often developed for the fiber optic.
Fiber optic sensors myoungsu shin department of civil engineering university of illinois at urbana champaign contents definition of fiber optic sensors appearance of.
Reliability early growth stage between 20 50m cost per field to customer large incremental growth potential optical system deployment interpretation oil company sponsors courtesy petroleum geo services seismic reservoir management tool to optimize production source qorex.
Intensity based fiber optic sensors example1.
The last revolution appeared as designers to combine the productive results of optoelectronic devices with fiber optic telecommunication devices to create fiber optic sensors.
In this study we developed a fiber optic humidity sensor fohs system for the monitoring and detection of coolant leakage in nuclear power plants.
Fibers have many uses in remote sensing.
The relationship between fiber reflector distance and intensity of returned light example 2.
To corrosion immune to electromagnetic interference emi wide operating temperature range fiber bragg grating sensor.
Single fiber reflective sensor light leaves the fiber end in a cone pattern and strikes a movable reflector.