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Hello Wayne,
Thanks! for these beautiful pictures.
When one refers to longwave and shortwave UV do you know the wavelengths?
As sources, i have in mind Wood's light, commonly seen in night-clubs and also used in phony bank note & stamp detectors.
For shortwave, i am thinking of germicidal UV frequency, from memory 237 nanometers the strong ray of the Mercury atom. The tube uses a transparent Quartz envelope.
BTW, the museum wouldn't need to filter the UV to protect the public, the samples being in glass cases, ordinary glass stops all UV frequencies.
Best Regards
jhalphen
Paris/France
PS: i've seen UV LEDs recently, frequency?
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