Thulium and/or Holmium doped silicate glasses for two micron lasers
AssigneeAdValue Photonics, Inc.
InventorsShibin Jiang, Tao Luo
Life of this patent
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Abstract
A laser glass fiber with a core of the fiber comprising a silicate glass host, one or more glass network modifiers, one or more glass network intermediators, and Thulium ions, Holmium ions, or a combination of Thulium ions and Holmium ions. The fiber emits laser light from 1.7 micron to 2.2 micron.
Claims15
A laser fiber to emit laser light from 1.7 micron to 2.2 micron comprising:
- a silicate laser glass comprising:
- a glass network former of SiO2 from about 30 weight percent to about 90 weight percent;
- a glass network modifier (MO) selected from BaO, CaO, MgO, ZnO, PbO, K2O, Na2O, Li2O, Y2O3, or combinations thereof, from 5 weight percent to 40 weight percent;
- a glass network intermediator (XO) selected from Al2O3, B2O3, La2O3, or combinations thereof, from 0.5 weight percent to 40 weight percent;
- and
- Thulium oxide from about 2 weight percent to about 15 weight percent.
A fiber lasing device to emit laser light from 1.7 micron to 2.2 micron, comprising:
- a pump for emitting pump light from 750 nm to 850 nm;
- and
- a fiber laser cavity containing the core of the fiber formed of a thulium-doped silicate laser glass, said silicate laser glass comprising:
- a glass network former of SiO2 from about 30 weight percent to about 90 weight percent;
- a glass network modifier (MO) selected from BaO, CaO, MgO, ZnO, PbO, K2O, Na2O, Li2O, Y2O3, or combinations thereof, from 5 weight percent to 40 weight percent;
- a glass network intermediator (XO) selected from Al2O3, B2O3, La2O3, or combinations thereof, from 0.5 weight percent to 40 weight percent;
- and
- Thulium oxide from about 2 weight percent to about 15 weight percent.
A laser fiber to emit laser light from 1.7 micron to 2.2 micron comprising:
- a silicate laser glass comprising:
- a glass network former of SiO2 from about 30 weight percent to about 90 weight percent;
- a glass network modifier (MO) selected from BaO, CaO, MgO, ZnO, PbO, K2O, Na2O, Li2O, Y2O3, or combinations thereof, from 5 weight percent to 40 weight percent;
- a glass network intermediator (XO) selected from Al2O3, B2O3, La2O3, or combinations thereof, from 0.5 weight percent to 40 weight percent;
- and
- Holmium oxide from about 0.1 weight percent to about 3 weight percent.
A fiber lasing device to emit laser light from 1.7 micron to 2.2 micron, comprising:
- a pump for emitting pump light from 750 nm to 850 nm;
- a fiber laser cavity containing the core of the fiber formed of a Holmium-doped silicate laser glass, said silicate laser glass comprising:
- a glass network former of SiO2 from about 30 weight percent to about 90 weight percent;
- a glass network modifier (MO) selected from BaO, CaO, MgO, ZnO, PbO, K2O, Na2O, Li2O, Y2O3, or combinations thereof, from 5 weight percent to 40 weight percent;
- a glass network intermediator (XO) selected from Al2O3, B2O3, La2O3, or combinations thereof, from 0.5 weight percent to 40 weight percent;
- and
- Holmium oxide from about 0.1 weight percent to about 3 weight percent.
A fiber lasing device to emit laser light from 1.7 micron to 2.2 micron, comprising:
- a pump for emitting pump light from 750 nm to 850 nm;
- a fiber laser cavity containing the core of the fiber formed of thulium and holmium co-doped silicate laser glass, said silicate laser glass comprising:
- a glass network former of SiO2 from about 30 weight percent to about 90 weight percent;
- a glass network modifier (MO) selected from BaO, CaO, MgO, ZnO, PbO, K2O, Na2O, Li2O, Y2O3, or combinations thereof, from 5 weight percent to 40 weight percent;
- a glass network intermediator (XO) selected from Al2O3, B2O3, La2O3, or combinations thereof, from 0.5 weight percent to 40 weight percent;
- Thulium oxide from about 2 weight percent to about 15 weight percent;
- and
- Holmium oxide from about 0.1 weight percent to about 3 weight percent.
Dependencies are inferred from the claim text.