Quote:
Originally Posted by xelasnave
There is a bit of chatter about this but a chap in Texas built a very solid unit which showed no movement in diffraction lines.
Myth bustted.
alex
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These amateur grade interferometers are totally insignificant to the research interferometers which use resonating optical cavities, where the laser beam frequency is tuned to the resonant frequency of the cavities.
This results in a sensitivity about 100 million times greater than your amateur built interferometer.
Interestingly if the sensitivity can be increased further by a factor of around a 1000 times it is predicted that Lorentz invariance will be violated (a positive result will be observed).
This will not confirm the presence of an aether, but is predicted in quantum gravity theories.
Regards
Steven