ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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Your FLIR camera may not see the near-IR diodes, but they show up great on
many digital cameras.  There are a number of hacks on the internet to turn
digital cameras into IR cameras, but for just seeing the IR, your visitors
may be able to use their own cameras.

Dave Smith



On Thu, Oct 14, 2010 at 4:35 PM, Sue Ann Heatherly <[log in to unmask]>wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
>
> *****************************************************************************
>
> Hi All,
>
>
> I'm working on a low cost "exhibit" (too strong a word) made of vinyl
> posters that show  images of astronomical objects. I want to hide small
> point sources of IR behind the posters so that people could detect them with
> an IR camera. (I work at a radio astronomy observatory -- we're trying to
> draw some analogies to radio astronomy)
>
> Have played with christmas lights (painted black), and they work but I'm
> afraid of the heat. Would they damage the vinyl over an 8 hour day?
>
> IR LEDs operate at near IR wavelengths and  I doubt they'll show up. These
> FLIR thermacams work in the mid IR range.
>
> Any ideas?
>

-- 
David L. Smith
Da Vinci Science Center
Allentown, PA
http://www.davinci-center.org

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