Frequency identification with frequency locker
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United States of America Patent
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N/A
Issued Date -
Oct 2, 2003
app pub date -
Mar 29, 2002
filing date -
Mar 29, 2002
priority date (Note) -
Abandoned
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Abstract
An apparatus and a method is provided for frequency identification and laser locking by sending optical signals of a laser through a set of optical filters. The signal power transmitted by the filters is measured and the resulting set of powers normalized with respect to a reference power. The multidimensional measurement output curve of the set of filters is nondegenerate. The set of measurements is compared to a set of points in a calibration table or constellation, which results in the identification of the frequency of the laser.
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