Hello, you should also check out the new
illuminator from Chroma. It is just like the Exfo only twice as powerful!
Brian D Armstrong PhD
Light Microscopy Core Manager
Beckman Research Institute
City of
626-359-8111 x62872
From:
Sent: Monday, November 05, 2007
12:35 PM
To: [hidden email]
Subject: Re: Non-arc source for
IX-81
=
Hi Glen,
Not an Olympus IX-81, but we have an EXFO 120W high-pressure mercury
halide lamp for viewing fluorescence on a Zeiss LSM (Axiovert 200 stand). We
like this lamp for several reasons:
1,000-1,5000 lifetime (typically, one lamp lasts 8-12 months; power
starts to decline after ~ 1,000 hours, but lamp remains useable until about
1,500 hours), easy to install and does not require alignment, quite bright,
built-in aperture that allows to control illumination intensity, removes heat
source away from microscope (lamp is located inside power supply module and
channeled through a fiber into the microscope), built-in safety device prevents
turning lamp ON while still hot.
We have not used this lamp for imaging, so I don't know if it is as
bright or stable as a conventional mercury lamp, but it does look quite bright
to me. We normally set the lamp aperture to 1-2 (out of five, with five being
the brightest setting) for viewing samples. In terms of stability, it does show
a decline over time, especially past 1,000 hours.
The system is maybe ~ $ 2,000 more than conventional mercury lamp
system at purchase. Lamps cost about $ 650.00, that is about $ 0.50 /
hour... in the same ballpark as mercury lamps
Also, I should mention that Applied Precision now report using a 250 W
Xenon lamp on their DeltaVision system. Don't know any specifics, but I
suppose they saw advantages compared to the HBO lamp.
Julio.
--
Julio Vazquez
On Nov 5, 2007, at 11:02 AM, Glen MacDonald wrote:
Search the CONFOCAL archive at
Has anyone replaced the mercury illuminator on an Olympus IX-81 with a
non-arc source such as metal-halogen or LED?
I'm looking for experiences regarding reliability, operational cost and
performance on a laser scanning confocal installation.
Off-line commercial responses are welcome.
Thanks,
Glen
Glen MacDonald
Core for Communication Research
(206) 616-4156
******************************************************************************
The box said "Requires WindowsXP or better", so I bought a
Macintosh.
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