Quote:
Originally Posted by InfiniteNow
If focusing of UV is your desire, you might wish to explore the technology of UV irradiators as your guide.
UV Irradiators...
Wishing you well in you technoengineering creations, Turtle.  [/
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interesting.

one problem with using a lens, UV aside, is that it has to be moved continuously to follow the Sun and keep the focus, and that did put me to thinking of a parabolic reflector as i used for my experimental parabolic trough charcoal oven, because it only needs aligned E/W to work.
more interesting then with your link is that they indicate that a parabolic reflector
diffuses the UV, and an
eliptical reflector focuses it.

mmmmm....
it's late & will get to rest of links tomorrow. thnx.

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semantics is not always just pedantic quibbling. ~ douglas r. hofstadter