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Fiber Optic Measurement Techniques Maurice O'Sullivan, Rongqing Hui
Publisher: Academic Press

Longest fiber-optic sensor network developed. Publisher: Academic Press Page Count: 636. Optical fiber sensors (OFSs) are attracting attention in the sensing world, especially for use in health-monitoring devices.1 Their miniature size, good performance in harsh environments, and insensitivity to electromagnetic (EM) and Moreover, in contrast to light intensity measurement techniques, our white-light Fabry–P‚rot (F-P) interferometric technology offers an absolute measurement of F-P cavity length, independent of light source power variations. Language: English Released: 2008. An example is the measurement of shock waves in explosives using a fiber Bragg grating (FBG). Three of the general methodologies for multimaterial fiber preform fabrication. (a) rod-in-tube, (b) extrusion, and (c) stack-and-draw methods. Furthermore, since an optical fiber has a typical diameter of 0.25mm, measurements can also be done at locations that are not accessible to other type of sensors. A suitable target reflectivity Although several sensing techniques have been described in the literature, POFs are best suited for intensiometric sensors, which are sensors that exploit the variation of the received light intensity with the quantity under measurement. In chapter VI “Optical Fiber Measurement”, the author M L Dakss made an appreciable attempt to cover recently developed techniques for optical measurement on fibers, separately for single mode and multimode fibers. Cutback method: A technique for measuring the loss of bare fiber by measuring the optical power transmitted through a long length then cutting back to the source and measuring the initial coupled power. The loss of fiber optic interferometers for cook-off measurements , Proc. To keep the overall costs low, the sensor uses plastic optical fibers and an intensiometric approach based on the received light intensity after the reflection from the target whose displacement has to be measured. GO Fiber Optic Measurement Techniques Author: Maurice O'Sullivan, Rongqing Hui Type: eBook. Scholtes, Measurement techniques in cook-off research at the TNO Prins Maurits Laboratory , Proc.