Interferometer transmitting the useful phase information through optical fibres
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United States of America Patent
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Dec 13, 1983
Grant Date -
N/A
app pub date -
May 4, 1982
filing date -
May 6, 1981
priority date (Note) -
Expired
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Abstract
The invention relates to an inerferometer based on the exploitation of an optical fibre through which both the phase signal which is of interest for the measurements concerned and a reference signal are simultaneously forwarded in order that in the differential measurement the noise introduced by the optical fibre for both thermal and mechanical reasons is ruled out.
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