| 摘要 |
A compound for non-linear optics for use at 350 nm and below. The compound includes a material for non-linear optics comprising A<SUB>x</SUB>M<SUB>(1-x)</SUB>Al<SUB>3</SUB>B<SUB>4</SUB>O<SUB>12</SUB>. x is larger than or equal to zero and smaller than or equal to 0.1, A is selected from a group consisting of Sc, Y, La, Yb, and Lu, and M is selected from a group consisting of Sc, Y, La, Yb, and Lu. The compound is free from a molybdenum bearing impurity of at least 1000 parts per million.
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