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Dear All,

Hope you've all had a good holiday season.  I am currently working on a new type of two-photon microscope and am having troubles with signal-to-noise.  I was wondering if anyone has a handle on the practical laser powers necessary for two photon excitation (preferably at the sample but going into the microsope will do).  Thanks in advance for your help.

Regards,
Jason

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Dr Jason Goh
Applied Optics Group
School of Electrical & Electronic Eng.
University of Nottingham
TEL:  +44 (0) 115 951 5615
FAX:  +44 (0) 115 951 5616


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