What is it about?
The sound, vibration, electrical and magnetic fields generate changes in the optical properties of the fiber adding phases shifts in the light field that propagates through the fiber. The effect depends on the length of the fiber and could be very large. The phase shift affects the diffraction pattern at the exit end of the fiber which generates a detectable signal.
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Why is it important?
A virtually universal optical fiber detector
Perspectives
Development of medical instrumentation like stethoscopes, ultrasound and infrasound detector, electromagnetic field detectors, etc.
Dr. Aristides Marcano
Delaware State University
Read the Original
This page is a summary of: Optical fiber detector based on light diffraction, October 2004, SPIE,
DOI: 10.1117/12.591602.
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