Rare earth ceramic for frequency conversion of radiation

Details Rare earth ceramic for frequency conversion of radiation Rare earth ceramic for frequency conversion of radiation

1976-01-19

1977-06-28

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 54, 106 53, 106 732, 106 731, 106 735, 2523014H, 2523014F, 2523014P, C03C 322, C09K 1108

Patent

active

040323510

ABSTRACT:
A rare earth ceramic having a microcrystal phase buried in a glassy phase for the coversion of radiation in the near-infrared band from about 0.85 to 1.06 um into visible light. It comprises a mixture of lead fluoride PbF.sub.2, ytterbium oxide Yb.sub.2 O.sub.3, at least one glass-forming oxide selected from the oxides of B, Si, P, Ge, Te, and at least one compound of a rare earth doping element chosen as a function of the desired emission color, i.e.

REFERENCES:
patent: 3541018 (1970-11-01), Hewes et al.
patent: 3663474 (1972-05-01), Lee et al.
patent: 3709827 (1973-01-01), Auzel
patent: 3816576 (1974-06-01), Auzel

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