CONFOCALMICROSCOPY Archives

July 1997

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Subject:
Re: Leica vs. Zeiss
From:
"Mark B. Cannell" <[log in to unmask]>
Reply To:
Confocal Microscopy List <[log in to unmask]>
Date:
Wed, 23 Jul 1997 18:06:33 +0100
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Dear Mary

In a pico second system there will be less of problem of group velocity
dispersion (GVD) reducing peak power for 2-photon excitation. This is because
the spectral bandwidth of such a laser is much narower. This does not mean that
a femtosecond system will work so well because the GVD associated with a fibre
coupling will be much larger. However, a pico second system may not have
sufficient peak power for good 2 photon excitation... We'll have to see at
Cleveland!

Many Regards

--
Mark B. Cannell
Professor of Biophysics, U. of London
email: [log in to unmask]
tel: (44) 181 725 5625
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