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From: Archimedes Plutonium on 8 Jun 2010 02:37 Archimedes Plutonium wrote: > Phys. Rev. Lett. 82, 5229 > (issue of 28 June 1999) > > There is alot about lightwaves that I do not know, as I was reading > about Slow-Light > Experiments. I forget how slow the slow light has reached, whether to > a standstill. Wikipedia > even has a article about "slow light" and phase velocity. > > But my interest in this is whether slow-light can prove or disprove > that Lightwaves > have no Doppler shift effect. > > Now I would think that if the Doppler shift effect existed for > lightwaves, that the slowed-light > in the various recent experiments, that the slowed light would become > ever more redder > and redder and redder. That they would start off with white-light and > as it was slowed down to > 90 km/sec that the light would be so very much red light, that is if > the Doppler shift effect > were true. > > But from pictures I have seen of these experiments, it is white light > going in as input and > the slowed light output is still white light. If that is true, then it > appears as though "Slow Light" > experiments supports a nonexistant Doppler shift. > Or maybe I got that turned around backwards, that in slow-light experiments and if a Doppler shift effect existed with EM waves, that the slowed- light would become more bluer and bluer as it was slowed and slowed down. But since slow-light is neither blueshifted nor redshifted, signifies that no Doppler shift effect exists. Archimedes Plutonium http://www.iw.net/~a_plutonium/ whole entire Universe is just one big atom where dots of the electron-dot-cloud are galaxies |