Ultraviolet LEDs

[Lurker]

Does anybody have any experience with UV LEDs in headlamps (for example the Scurion has a UV option)?  Are they a bit of a gimmick or do they work well for making minerals/formations etc glow (and getting a bit of an underground tan)?

I ask because I'm planning on putting a UV LED into an Oldham headset.  One of my worries was that the headset glass might not let the UV light through. But as far as I can gather from the internet this shouldn't be too much of a problem since the UV wavelength of my LED (400nm) is close to visible light wavelengths.  I'd be interested to hear if anyone else has tried this though.

Cheers
Lurker

 

[shotlighter]

All UV/Vis kit I use has quartz lens's but at that w/l glass should be OK. It's certainly safer than frying your retinas if the w/l is shorter, as it will act as a filter.