View source for Modified Sagnac experiment for measuring travel-time difference between counter-propagating light beams in a uniformly moving fiber

{{Infobox paper
| title = Modified Sagnac experiment for measuring travel-time difference between counter-propagating light beams in a uniformly moving fiber
| url = [http://www.naturalphilosophy.org/pdf/abstracts/abstracts_2747.pdf Link to paper]
| author = [[Ruyong Wang]]
| keywords = Sagnac, light, time
| published = 2003
| volume = [[312]]
| number = [[1-2]]
| num_pages = 4
| pages = 7-10
}}

'''Read the full paper''' [http://www.naturalphilosophy.org/pdf/abstracts/abstracts_2747.pdf here]

==Abstract==

<em>Physics Letters A.</em> 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/c<sup>2</sup> 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.

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