Re: profiling papers with brighteners
Re: profiling papers with brighteners
- Subject: Re: profiling papers with brighteners
- From: email@hidden
- Date: Tue, 18 Dec 2001 12:25:26 EST
In a message dated 12/18/01 11:42:14 AM, email@hidden writes:
>
I agree, which is why I am confused.
>
>
Could these LED's not cover the spectrum sufficiently well? I would
>
suspect the blue LED's particularly.
The spectrum of a blue LED is a really tight bell curve, that contains no
purple, no green, and no UV... its truely amazing how tight the emission
spectrum of an LED is... rather like a laser.
C. David Tobie
Design Cooperative
email@hidden