Nonlinear optical material
A device comprising a nonlinear optical (NLO) material according to the formula XLi 2 Al 4 B 6 O 20 F. A device comprising a nonlinear optical material (NLO) according to the formula KSrCO 3 F, wherein the NLO comprises at least one single crystal. A nonlinear optical material selected from the group consisting of KSrCO 3 F Rb 3 Ba 3 Li 2 Al 4 B 6 O 20 F and K 3 Sr 3 Li 2 Al 4 B 6 O 20 F.
1. A device comprising a nonlinear optical (NLO) material according to the formula XLi 2 Al 4 B 6 O 20 F.
2. The device of claim 1 , wherein X comprises potassium (K) and strontium (Sr).
3. The device of claim 1 , wherein X comprises K 3 Sr 3 .
4. The device of claim 1 , wherein X comprises rubidium (Rb) and barium (Ba).
5. The device of claim 1 , wherein X comprises Rb 3 Ba 3 .
6. The device of claim 1 , wherein the NLO exhibits a walkoff of from about 200 mrad to about 1 mrad.
7. The device of claim 1 , wherein the NLO forms single crystals with a minimum diameter of from about 2 mm to about 20 mm in at least two directions.
8. The device of claim 1 , wherein the NLO exhibits a second harmonic generation coefficient of greater than 0.39 pm/V.
9. The device of claim 1 , wherein the NLO exhibits a band gap of greater than 6.2 eV.
10. The device of claim 1 , wherein the NLO exhibits an adsorption edge of less than 200 nm.
11. The device of claim 1 , wherein the NLO exhibits a laser damage threshold of greater than 5.0 GW/cm 2 .
12. The device of claim 1 , wherein the NLO exhibits a birefringence at 1064 nm ranging from about 0.05 to about 0.09.
13. A nonlinear optical material selected from the group consisting of Rb 3 Ba 3 Li 2 Al 4 B 6 O 20 F and K 3 Sr 3 Li 2 Al 4 B 6 O 20 F.
14. A device comprising the nonlinear optical material of claim 13 .