what is the basic principles of fiber sensor
Hello!
A fiber optic sensor in general consists of a light source, fiber and a photo detector. Either, fiber change the light transmission characteristics in accordance with physical parameter to be sensed (active sensor) or a fiber just acts as a wave guide and a separate sensing element used for physical parameter to be measured
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Hello Candidate,
Fiber optic sensors are fiber-based devices that use optical fibers to detect quantities such as mechanical strain, temperature, acceleration, rotations, pressure etc. Fiber optic sensors work based on the principle that ' light from a laser or any superluminescent source is transmitted via an optical fiber, experiences changes in its parameters either in the optical fiber or fiber Bragg gratings and reaches a detector which measures these changes' .
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