[SOLVED] About observing the mewcury spectrum with a Fabry-Perot interferometer


by luisgml_2000
Tags: fabryperot, interferometer, mewcury, observing, solved, spectrum
luisgml_2000
luisgml_2000 is offline
#1
Apr5-08, 08:29 PM
P: 50
Hello!

I've been trying to observe the interference fringe pattern from a mercury discharge tube, but the pattern has not already shown up. I simply don't understand what I'm doing wrong.

The first thing I did was to align both mirrors with a laser. With that source I saw the fringes, but after replacing the source the pattern gets lost. I've tried putting convergent lenses between the interferometer and the source but it doesn't help at all.
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