Talk:Michelson interferometer

message: For what other purposes of interferometry did Michelson use this particular interferometer? It says they exist but doesn't elaborate, and I can't find details elsewhere. --aciel 18:55, 3 February 2006 (UTC)
thread_title:  Other Experiments? 

message: It says
..."Michelson-Morley experiment in which this interferometer was used to prove the non-existence of the luminiferous aether."
but wasn't the M-M exp. meant to proove the opposite (it just didn't work out as planned)?
Was it failure seen as sufficient to prove that the aether does not exist? I would doubt that (unfortunately without having further knowledge or reference handy).
--
I agree with this entry, unfortunately i don't have references handy either but i suggest to make some research and correct that part, i'll do it if i have time...
This entry is correct. Amusingly enough, I'm performing this experiment in my Modern Physics Lab even as I type this. The failure of the experiment to work was the death knell for the aether - they didn't expect it to fail, but its failure killed it all the same. Hewhorulestheworld 18:46, 29 August 2006 (UTC)
thread_title:  Michelson-Morley experiment to disprove aether? 

message: Doesn't one of the "arms" of the Michelson Interferometer contain a compensator plate to make sure both beams travel through the same amount of glass, removing the dependence of the path length on wavelength? Or is the diagram shown in the article a more general case? --Zapateria 15:21, 2 June 2006 (UTC)
thread_title:  Compensator plate 

message: In the "configuration" part there are references to A,B,M etc.
These points are not marked on any of the figures in this article.  —Preceding unsigned comment added by 132.68.244.4 (talk) 22:13, 15 June 2010 (UTC)
thread_title:  References to points which do not exist 

message: "Establishing interferences in sodium light, we found the central part of a series of some seven hundred interferences which are brighter than the adjoining three hundred. With no long search, we could see interferences in white light, although we had provided no screw for moving a mirror with its surface always parallel to a given surface." http://www.jstor.org/stable/20022071?seq=2
In other words, Morley and Miller could identify the central 100 fringes of a series of 700 fringes from the sodium doublet. Stigmatella aurantiaca (talk) 11:53, 11 June 2014 (UTC)
replies: text: Well yes, we absolutely agree then. My own calculation shows 987 fringes over the visibility cycle due to the doublet, so it goes like (1+cos(2pi x / 987))/2 where x is counted in fringes, so at 50 fringes away the contrast is down to .985 which someone with good eyes might be able to see clearly. A better way is to find where the fringe visibility gets poor on both sides of the white light fringe and center in between them. So that might get you to a few dozen fringes if you're good, as you put in the latest version. OK? Interferometrist (talk) 13:09, 11 June 2014 (UTC)
replies: text:  Agree Stigmatella aurantiaca (talk) 13:13, 11 June 2014 (UTC)
thread_title:  Re accuracy of localization with sodium doublet 

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