It sounds like a bad argon laser/power supply. We have gone
through several Argon lasers from Lasos over the past couple years on one of
our SP2s. On a couple occasions, the lasers have arrived dead. Hopefully,
because you are closer to Leica on that side of the pond you don’t have
to wait as long as we do for replacement parts.
-Jon
From: Confocal Microscopy
List [mailto:[hidden email]] On Behalf Of Zoltan
Cseresnyes
Sent: Monday, November 17, 2008 8:30 AM
To: [hidden email]
Subject: Lasos argon laser repeated failure in Leica SP5
Dear List Members,
We have a fairly new Leica SP5 system (15 months old) that has a Lasos
multi-line argon laser, part number LGK 7872 ML05, which now has failed for the
second time within a year. The error appears if we turn the
total power slider to 30% or more, in which case the laser starts to
"stutter" (i.e. cuts out randomly during scanning) that produces
randomly distributed blank lines and bands in the acquired image. If we
then move the power slider back to below 30%, the laser performance
returns to normal. Upon the first appearance of this error, Leica simply
replaced the head and the power supply, but now the same error appeared again,
making us more than suspicious that this is a common form of failure for this
laser in the Leica system.
Did anyone experience the same or similar
problem? If so, how did you resolve it? Was it laser specific,
manufacturer related or Leica related?
Any information will be much appreciated! Thank
you very much,
Zoltan
--
Zoltan Cseresnyes
Facility Manager, Imaging Suite
Department of Zoology, University of Cambridge
Downing Street Cambridge CB2 3EJ
United Kingdom
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