Method and system for suppression of stimulated Raman scattering in laser materials
A composition of matter is provided having the general chemical formula K(H,D) 2 P( 16 O x , 18 O y ) 4 , where x<0.998 or y>0.002, and x+y≈1. Additionally, a method of fabricating an optical material by growth from solution is provided. The method includes providing a solution including a predetermined percentage of (H,D) 2 16 O and a predetermined percentage of (H,D) 2 18 O, providing a seed crystal, and supporting the seed crystal on a platform. The method also includes immersing the seed crystal in the solution and forming the optical material. The optical material has the general chemical formula K(H,D) 2 P( 16 O x , 18 O y ) 4 , where x<0.998 or y>0.002, and x+y≈1.
1. A composition of matter having the general chemical formula comprising K(H,D) 2 P( 16 O x , 18 O y ) 4 , where x<0.998 or y>0.002, and x+y≈1.
2. The composition of matter of claim 1 , wherein (H,D) is substantially H.
3. The composition of matter of claim 1 , wherein (H,D) is substantially D.
4. The composition of matter of claim 1 , wherein (H,D) is substantially 30% H and 70% D.
5. The composition of matter of claim 1 , wherein x<0.99, y>0.01.
6. The composition of matter of claim 5 , wherein x≈0.5 and y≈0.5.
7. The composition of matter of claim 1 , wherein x+y≈1.
8. The composition of matter of claim 1 , further comprising 17 O in place of all or part of at least one of the 16 O or 18 O component.
9. The composition of matter of claim 1 , wherein the composition of matter comprises at least one of a crystalline or ceramic structure.
10. The composition of matter of claim 1 , wherein a Raman gain coefficient of the composition is at least 10% less than a Raman gain coefficient of a material characterized by natural oxygen isotopic abundances.
11. A method of fabricating an optical material by growth from solution, the method comprising:
providing a solution including a predetermined percentage of (H,D) 2 16 O and a predetermined percentage of (H,D) 2 18 O;
providing a seed crystal;
supporting the seed crystal on a platform;
immersing the seed crystal in the solution; and
forming the optical material, wherein the optical material has the general chemical formula comprising K(H,D) 2 P( 16 O x , 18 O y ) 4 , where x<0.998 or y>0.002, and x+y≈1.
12. The method of claim 11 , wherein the predetermined percentage of (H,D) 2 16 O is less than 99% and the predetermined percentage of (H,D) 2 18 O is greater than 1%.
13. The method of claim 11 , wherein the optical material comprises a crystalline structure.
14. The method of claim 11 , wherein:
the predetermined percentage of (H,D) 2 16 O ranges from about 99% to about 50%; and
the predetermined percentage of (H,D) 2 18 O ranges from about 1% to about 50%.
15. The method of claim 14 , wherein:
the predetermined percentage of (H,D) 2 16 O is about 50%; and
the predetermined percentage of (H,D) 2 18 O is about 50%.
16. The method of claim 11 , wherein the optical material includes 17 O partially or fully substituted for at least one of 16 O or 18 O.