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US 3,983,051 AGranted
Doped beryllium lanthanate crystals
AssigneeAllied Chemical Corporation
InventorsCarl F. Cline, Robert C. Morris
Life of this patent
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Abstract
Novel single crystals of doped beryllium lanthanate having up to 50 atomic percent dopant substituted for lanthanum are provided which find advantageous use in optical applications and, in particular, as laser hosts.
Claims3
A single crystal of doped beryllium lanthanate having the formula Be.sub.2 La.sub.2-2x Z.sub.2x O.sub.5 wherein Z is a dopant selected from the group consisting of praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and mixtures thereof and wherein x is a positive value of about 0.001 to 0.2.
Dependencies are inferred from the claim text.