Modified Sagnac experiment for measuring travel-time difference between counter-propagating light beams in a uniformly moving fiber
|Title||Modified Sagnac experiment for measuring travel-time difference between counter-propagating light beams in a uniformly moving fiber|
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|No. of pages||8|
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Physics Letters A. A fiber optic conveyor has been developed for investigating the travel-time difference between two counter-propagating light beams in uniformly moving fiber. Our finding is that there is a travel-time difference ??t=2v??l/c2 in a fiber segment of length ??l moving with the source and detector at a speed v, whether the segment is moving uniformly or circularly.