A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optionally β-quartz-like solid solu
A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optionally β-quartz-like solid solution, or a petalite-like crystals, spinel, and zirconia crystals. The elements may comprise a host material glass-ceramic, where the glass-ceramic is doped with appropriate ions.
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The invention claimed is: 1. A glass-ceramic material, with petalite-like crystals, spinel, and zirconia crystals, comprising the following components, expressed in terms of mole percent: mole % SiO2 44-50 Al2O3 15-20 MgO 10-25 TiO2 3-10 ZrO2 3-8.
The invention claimed is: 1. A glass-ceramic material, with petalite-like crystals, spinel, and zirconia crystals, comprising the following components, expressed in terms of mole percent: mole % SiO2 44-50 Al2O3 15-20 MgO 10-25 TiO2 3-10 ZrO2 3-8. 2. A glass-ceramic material as in claim 1, wherein said glass-ceramic is doped with at least one dopant ion selected from the group consisting of: Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Cr, Co, U, Ni, Fe, V, and Ti. 3. A glass-ceramic material as in claim 2, wherein the concentration off said dopant ion is 10 ppm-10,000 ppm. 4. An element for a laser system comprising a glass-ceramic material, with petalite-like crystals, spinel, and zirconia crystals, comprising the following components, expressed in terms of mole percent: mole % SiO2 44-50 Al2O3 15-20 MgO 10-25 TiO2 3-10 ZrO2 3-8. 5. An element for a laser system as in claim 4, wherein said glass-ceramic is doped with at least one dopant ion selected from the group consisting of: Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Cr, Co, U, Ni, Fe, V, and Ti. 6. An element for a laser system as in claim 5, wherein the concentration of said dopant ion is 10 ppm-10,000 ppm. 7. An element for a laser system as in claim 4, comprising an element selected from the group consisting of: passive Q-switch; amplification element; lasing element; monolithic laser; and optical fiber. 8. An element for a laser system as in claim 4, wherein said element is operative in the wavelength region of 0.2-5 μm. 9. An element for a laser system as in claim 8, operative in the eye safe wavelength region of 1.0-1.7 μm. 10. An element for a laser system as in claim 4, wherein said glass ceramic material combines the properties of stimulated emission and saturable absorption. 11. An element for a laser system as in claim 5, wherein the content of said cobalt (Co) is 0.09-0.14 weight percent. 12. An optical fiber comprising a glass-ceramic material, with petalite-like crystals, spinel, and zirconia crystals, comprising the following components, expressed in terms of mole percent: mole % SiO2 44-50 Al2O3 15-20 MgO 10-25 TiO2 3-10 ZrO2 3-8. 13. An optical fiber as in claim 12, wherein said glass-ceramic is doped with at least one dopant ion selected from the group consisting of: Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Cr, Co, U, Ni, Fe, V, and Ti. 14. An optical fiber as in claim 12, wherein said optical fiber is drawn from a preform. 15. An optical fiber as in claim 14, wherein said preform is prepared from separate parts for a core and a cladding of said optical fiber, each of said parts for said core and said cladding having a different refraction index. 16. An optical fiber as in claim 15, wherein said core of said optical fiber has a cylindrical shape with diameter of 0.5-5 mm, and length of 50-1,000 mm. 17. An optical fiber as in claim 15, wherein said cladding of said optical fiber has a tube shape with inner diameter of 0.5-5 mm, outer diameter of 5-50 mm, and length of 50-1,000 mm. 18. An optical fiber as in claim 12, wherein said optical fiber is used for an element selected from the group consisting of: saturable absorber; passive Q-switch; amplification element; lasing element; communication fiber optic; element for amplified spontaneous emission suppression; element for noise suppression; element for spectrum correction; and element for signal attenuation. 19. A laser system comprising an element, said element comprising a glass-ceramic material with petalite-like crystals, spinel, and zirconia crystals, comprising the following components, expressed in terms of mole percent: mole % SiO2 44-50 Al2O3 15-20 MgO 10-25 TiO2 3-10 ZrO2 3-8. 20. A laser system as in claim 19, wherein said glass-ceramic is doped with at least one dopant ion selected from the group consisting of: Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Cr, Co, U, Ni, Fe, V, and Ti. 21. A laser system as in claim 19, wherein said laser system is a monolithic laser comprising an amplification element and a saturable absorber, wherein said element comprises said saturable absorber; and wherein said saturable absorber and said amplification element are directly bonded. 22. A laser system as in claim 21, wherein said amplification element comprises another element selected from the group consisting of: glass ceramic; glass; and single crystal.
Borrelli Nicholas F. (Elmira NY) Cornelius Lauren K. (Painted Post NY) Newhouse Mark A. (Corning NY) Tick Paul A. (Corning NY), Transparent glass-ceramics.
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