System, device, and method for detecting perturbations
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United States of America Patent
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Mar 27, 2007
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N/A
app pub date -
Mar 25, 2005
filing date -
Mar 25, 2005
priority date (Note) -
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Abstract
Certain exemplary embodiments comprise a system comprising a spatially distributed multimode optical fiber; a pixelated photodetector configured to detect a plurality of optical signals provided from said fiber, a first portion of the optical signals indicative of modal conversion and a second portion of the optical signals indicative of modal interference, a predetermined area of said pixelated photodetector adapted to be illuminated by the first portion of the optical signals; and a signal processing module adapted to decode and interpret a plurality of detected variables related to the optical signals.
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