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Hello, Martin

In addition to having a drawer of filter cubes, we will now have a drawer of LED's. Not a bad solution. Thank you, the prices are excellent but I need an electronics expert because these are just the raw components.
Perhaps my nephew in his basement . . . . . . .

Judy


-----Original Message-----
From: Confocal Microscopy List [mailto:[log in to unmask]] On Behalf Of Martin Wessendorf
Sent: Monday, March 19, 2012 1:46 PM
To: [log in to unmask]
Subject: Re: NIR excitation light source

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Dear Judy--

On 3/19/2012 12:30 PM, Judy Trogadis wrote:

> Excluding lasers, does anyone know of a light source that would emit in NIR (around 800nm) wavelength with a good quantum efficiency? Are there other benchmarks to measure signal power?

A conventional incandescent bulb is pretty good--I've used one for NIR 
DIC--but it really depends upon how much power you need.

The following link (no commercial connection) lists NIR LEDs in the 800 
nm range; no idea of cost:  http://www.roithner-laser.com/led_diverse.html

Good luck!

Martin
-- 
Martin Wessendorf, Ph.D.                   office: (612) 626-0145
Assoc Prof, Dept Neuroscience                 lab: (612) 624-2991
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