I try to explain to the group
http://groups.yahoo.com/group/interferometry/
howto make a spectro of a green laser whit a SA
but I do not know if it is realy possible to see all the low line

maybe I have to buy one to test


thank for the info
jack 47'n 71'W



> Hi Jack,
>
> It should be 532 nm; depending on whether or not the infrared
> component is blocked, and what the IR sensitivity of your system is,
> there may also be emission at 808 nm.
>
> Some spectra are here:
>
> http://home.att.net/~ledmuseum/spectra3.htm
>
> The Wikipedia page on lasers also gives some details of what
> frequencies are being pumped to produce the green output:
http://en.wikipedia.org/wiki/Laser_pointer
>
> Hope this helps,
>
> Eric
>
>
> On Jul 14, 2009, at 12:54 PM, Jacques Savard wrote:
>
> > somebody in a group of interferometer try to use a green laser
> >
> > but do not know anything about specto
> >
> > if somebody here can make a spectro of a green laser and send it to me
> >
> > I know howto but do not have a such green laser to do the graph
> >
> > the problem we have is
> > we do not know the real frequency and force of each composition
> >
> > it is something like 522nm.or 800
> >
> > thank in advance
> >
> > jack 47'N 71'W
> >
> >
>
>
>
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