Doped dysprosia discharge vessel
A ceramic discharge vessel is provided wherein the vessel comprises a hollow body for enclosing a discharge and the hollow body is made of a polycrystalline dysprosium oxide containing a luminescent dopant that emits one or more visible light wavelengths when stimulated by radiation generated by the discharge. Preferably, the polycrystalline dysprosium oxide has been doped with one or more of europium, cerium, or terbium in an amount from about 0.1 to about 10 percent by weight on an oxide basis.
Osram Sylvania Inc.
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Joanne M. George C. Madis Walter P. Kailash C.
Browne Wei Raukas Lapatovich Mishra