摘要:
An iron-doped lithium niobate single crystal having a molar fraction of Li.sub.2 O/(Nb.sub.2 O.sub.5 +Li.sub.2 O) of from 0.495 to 0.50 which is closer to the stoichiometrical composition than a usual congruent composition, and a high diffraction efficiency by a two light wave mixture.
摘要:
A single crystal of yttrium-iron garnet or solid solution comprising aluminum oxide component, gallium oxide component, iron oxide and/or the other rare earth oxide component is produced by a floating zone method.