How does a Michelson Interferometer work?

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Offline itsnaresh

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How does a Michelson Interferometer work?
« on: 02/08/2013 06:03:30 »
In Michelson Interferometer, using sodium vapour lamp, where are the fringes located and how can these be seen? I have tried to see them with spectrometer telescope having objective lens of 178mm focal length, 35mm dia and eyepiece of 15X, but I can not see the fringes. However if I remove the eyepiece and see through the objective, fringes can be seen.
I would be grateful for your help
« Last Edit: 02/08/2013 19:51:11 by chris »