Search the CONFOCAL archive at
http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocalYou can actually get astigmatic correction lenses for laser diodes
from some companies. The other option is to use a cylinder lens with
a regular lens to compensate, or if you have a bit of extra money, buy
an anamorphic prism pair. (~$300). The prism pair is sold with a
correction factor; simply match the length to width ratio of your beam
spot to the right prism pair, and then shine the laser through it.
ThorLabs sells some nice ones.
Craig
On Jan 25, 2008 3:35 PM, Sarah Kefayati <
[hidden email]> wrote:
> Search the CONFOCAL archive at
>
http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal> Hello all:
>
> we have a old diode laser for our confocal microscopy I need to correct the
> beam for the astigmatism,what's the best way to correct the astigmatism
> without losing much of the beam power?
>
> Thanks
> Sarah
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