Fiber Optic Measurement Techniques by Maurice O'Sullivan, Rongqing Hui

Fiber Optic Measurement Techniques Maurice O'Sullivan, Rongqing Hui ebook
ISBN: 0123738652,
Page: 636
Publisher: Academic Press
Format: pdf

Scholtes, Measurement techniques in cook-off research at the TNO Prins Maurits Laboratory , Proc. 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. 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. Fiber Optic Measurement Techniques is an indispensable collection of key optical measurement techniques essential for developing and characterizing today's photonic devices and fiber optic systems. 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. The optical measurement technique separates the electronic system from the lightning surge currents being measured. As we know that bare optical fibers can be deployed in the field as it is without protecting them inside proper securing methods, fiber cut-off wavelength measurement is not so important. An example is the measurement of shock waves in explosives using a fiber Bragg grating (FBG). The sensor connects to the electronic analysis unit via a fiber-optic cable. The loss of fiber optic interferometers for cook-off measurements , Proc. There is a need to develop a simple, inexpensive, and yet practical method to measure bridge vertical displacements.