Thank you Joe! However - I am positive I cannot use their short UV wave LEDs... Way over my budget. It IS fascinating, though, that I could pay over $670 for an LED! But that is how much a ball-lens 255nm TO-39 20 mA UV LED costs! -WaV
On Sun, Jul 20, 2008 at 10:52 PM, Joe Mitchell <joemitch...@satx.rr.com> wrote: > The biggest selection of UV LEDs (and other oddball wavelength LEDs) that I > know of is a company in Austria: > http://www.roithner-laser.com/LED_diverse.htm > > They have standard LEDs down to 350nm, but other specialized (meaning VERY > expensive) ones down to 255nm. Their price list is a little hard to find, > but is here: > > http://www.roithner-laser.at/All_Datasheets/Pricelists/pricelist-c-080701.pdf > > I have ordered many things from them before, and though it sometimes takes > a while to get stuff, they are a reputable opto-electronics company. > > -Joe > > On Jul 20, 2008, at 11:54 AM, Minton, Mark wrote: > > Don Cooper said: > > >So a less than ideal direction is probably where I'm heading - trying to > find the shortest wave UV LEDs available (350nm?) > > Those will still be way too long wave for the best fluoescent > minerals, unfortunately. > > >does clear polycarbonate or 'Plexiglas' block UV light as glass does? > > I don't know for a fact, but I can say with pretty high certainty, > yes. Almost any organic material is going to block short wave UV. If there > were something cheaper than quartz to use on those lights, they would. > > Mark Minton > > >
