METHOD AND DEVICE FOR PHASE MEASUREMENT
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United States of America Patent
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Issued Date -
Aug 11, 2011
app pub date -
May 21, 2009
filing date -
May 21, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to the field of phase measurement, particularly optical phase measurement. In one form, the invention relates to a method and device for measuring the phase between distinct signals by converting phase variations between the signals into amplitude variations. In one embodiment the invention provides a method of arranging the structure of a two-dimensional or three-dimensional crystal to measure the phase between signals, comprising the steps of (i) providing a respective waveguide for each signal and (ii) providing a micro-cavity array arranged to provide a resonance output in response to the phase of the signals. The invention has application to a wide range of apparatus and devices across many industries including communications, food technology, pharmacology, medicine and biology.
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