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From: paul@hpldola.HP.COM (Paul Bame)
Newsgroups: sci.electronics
Subject: Re: Blue and UltraViolet LED's
Message-ID: <10960030@hpldola.HP.COM>
Date: 16 Jul 90 16:38:39 GMT
References: <17596.2699d803@uctvax>
Organization: HP Elec. Design Div. -ColoSpgs
Lines: 6

> 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.

Selenium (sp?) photo cells have UV response.