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Antistokes deep green phosphor FSD-546-4
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Compared with FSD-546-2, antistokes deep green phosphor FSD-546-4 shows at 0,9-1.0 µm IR laser excitation intensive green luminescence with high color purity as well as unique set of visible and IR emmisions bands.

The phosphor can be used as alternative to known antistokes phosphor FSD-546-2 and for security purposes.

Technical data of FSD-546-4 phosphor*:

Property
FSD-546-4
FSD-546-2
Relative visible luminescence brightness, %
120-140 **
100
Green to Red band intensity ratio
25-28 **
1
Median particle size, µm
12
-

   * may be changed according to customer requirements

** depending on phosphor composition, excitation level & wavelength.

Luminescence of FSD-546-2(a) and FSD-546-4(b) at 942 nm 50mW laser excitation.

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