Method and structure for non-linear optics
A compound for non-linear optics for use at 350 nm and below. The compound includes a material for non-linear optics comprising A x M (1-x) Al 3 B 4 O 12 . 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.
1. A non-linear optical material comprising a YAl 3 B 4 O 12 crystal; wherein the material contains less than 1000 parts per million of a molybdenum bearing impurity and is capable of generating ultraviolet light at 266 nm.
2. The material of claim 1 wherein the material contains less than 500 parts per million of a molybdenum bearing impurity.
3. The material of claim 2 wherein the material contains less than 100 parts per million of a molybdenum bearing impurity.
4. The material of claim 3 wherein the material contains less than 10 parts per million of a molybdenum bearing impurity.
5. The material of claim 4 wherein the material contains less than 1 part per million of a molybdenum bearing impurity.
6. The material of claim 5 wherein the material is substantially free from a molybdenum bearing impurity.
7. The material of claim 1 wherein the ultraviolet light comprises laser light.
8. The material of claim 1 wherein the material is associated with the trigonal crystal class for use below 350 nm.
9. The material of claim 1 wherein the material is associated with the space group R32 for use below 350 nm.
10. The material of claim 1 , and further comprising a dopant including at least one selected from a group consisting of Ce, Nd, and Yb.
11. The material of claim 10 wherein the material comprises NdYAB.
12. The material of claim 10 wherein the material comprises Yb:YAB.
13. The material of claim 10 wherein the material comprises Ce:YAB.
14. The material of claim 1 wherein the material contains less than 1000 parts per million of a lead bearing impurity.
15. The material of claim 14 wherein the material contains less than 500 parts per million of a molybdenum bearing impurity.
16. The material of claim 15 wherein the material contains less than 100 parts per million of a molybdenum bearing impurity.
17. The material of claim 16 wherein the material contains less than 10 parts per million of a molybdenum bearing impurity.
18. The material of claim 17 wherein the material contains less than 1 part per million of a molybdenum bearing impurity.
19. The material of claim 18 wherein the material is substantially free from a molybdenum bearing impurity.