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We have added APD to our Zeiss 410. The alignment is bit tricky, because
photosensitive area is small. It produces nicer images than PMT at low
light levels. It makes no difference at higher light levels. The
enhancement is particularly significant at 633 nm.  

Julian Borejdo
Dept of Mol Biol
University of North Texas HSC
Fort Worth


>>> [log in to unmask] 03/09/06 11:17 AM >>>
Search the CONFOCAL archive at
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Anybody have an informed opinion on the relative merits/performance of
APDs for confocal/2P 
imaging?



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