Re: Blue and UltraViolet LED's

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Article #5026

#5026

From: Donald Heskett
Date: Wed, 11 Jul 1990 17:22

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The one I bought from Ledtronics (?) has a color that is a sort of
'powder' blue.  The light was bright enough, just not a very intense
blue.

A look at its spectral output curve showed no output in the UV.  I was
hoping to use it as a sensor in the UV (most LEDs will work as low
power photoelectric sensors).  I don't have the spec sheet here with
me, but I believe the 'blue' end cutoff was at about 470nm.

I might mention that these toys aren't cheap.  The one I bought cost
$15.

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!bu.edu!xylogics!samsung!cs.utexas.edu!titan!heskett
From: heskett@titan.tsd.arlut.utexas.edu (Donald Heskett)
Newsgroups: sci.electronics
Subject: Re: Blue and UltraViolet LED's
Message-ID: <HESKETT.90Jul11122218@mercury.titan.tsd.arlut.utexas.edu>
Date: 11 Jul 90 17:22:18 GMT
References: <17596.2699d803@uctvax>
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Organization: Applied Research Laboratories, University of Texas at Austin.
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In-reply-to: murray@uctvax's message of 10 Jul 90 11:28:34 GMT

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