Terbium 3+ doped glass bead NEW!

29,90  incl. VAT

98 in stock (can be backordered)

SKU: 04856 Category:

Description

glass bead doped with 5% Terbium oxide – NEW!
diameter ~ 13 mm – ~ 1.2 – 1.5 grams
Nice glass bead. Each one hand crafted. Under UV excitation the glass shows strong fluorescence with a peak @ 541nm and 546nm

White at normal light
light green under ultraviolet light (money checker etc.)

Please do not use common UV LEDs, they produce wavelengths above 390 nm and are not suitable! Blacklight tubes work best! The UV lamp used for the photos has a wavelength of 365nm

 

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