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US 9,865,984 B2Granted
Fiber pump combiner
AssigneenLIGHT, Inc.
InventorManoj Kanskar
Life of this patent
Estimating the term…
Abstract
An optical fiber combiner comprising a coupling device having an input surface area, and you Ain, and an output surface area, Aout, wherein the input surface area Ain is greater than the output surface area Aout, and a plurality of optical fibers each having an input surface and an output surface, wherein the output surfaces of the plurality of optical fibers are coupled to the coupling device, wherein the coupling device combines optical power emitted by the plurality of optical fibers.
Claims12
An optical fiber combiner comprising:
- a coupling device having an input surface area, Ain, and an output surface area, Aout, wherein the input surface area Ain is greater than the output surface area Aout and wherein a body of the coupling device comprises a gradual taper from the input surface area to the output surface area;
- a plurality of optical fibers each having an input surface and an output surface, wherein the output surfaces of the plurality of optical fibers are optically coupled to the coupling device, wherein the coupling device combines optical power emitted by the plurality of optical fibers;
- and
- a hollow structure configured to encase the plurality of optical fibers and to secure the plurality of optical fibers in place for coupling to the coupling device wherein the hollow structure has a higher index of refraction compared to an index of refraction of input fiber cladding.
1 more element
An optical fiber combiner comprising:
- a coupling device having an input surface area, Ain, and an output surface area, Aout, wherein the input surface area Ain is greater than the output surface area Aout and wherein a body of the coupling device comprises a gradual taper from the input surface area to the output surface area;
- a plurality of optical fibers each having an input surface and an output surface, wherein the output surfaces of the plurality of optical fibers are optically coupled to the coupling device, wherein the coupling device combines optical power emitted by the plurality of optical fibers;
- and
- a hollow structure configured to encase the plurality of optical fibers and to secure the plurality of optical fibers in place for coupling to the coupling device wherein an outer surface of the hollow structure is textured to remove high numerical aperture light transmitted into the optical fibers or the hollow structure or a combination thereof.
1 more element
An optical fiber combiner comprising:
- a coupling device having an input surface area, Ain, and an output surface area, Aout, wherein the input surface area Ain is greater than the output surface area Aout and wherein a body of the coupling device comprises a gradual taper from the input surface area to the output surface area;
- a plurality of optical fibers each having an input surface and an output surface, wherein the output surfaces of the plurality of optical fibers are optically coupled to the coupling device, wherein the coupling device combines optical power emitted by the plurality of optical fibers;
- and
- a hollow structure configured to encase the plurality of optical fibers and to secure the plurality of optical fibers in place for coupling to the coupling device wherein the hollow structure has an index of refraction that only strips light having a predetermined numerical aperture that is not desirable to be coupled into the coupling device.
1 more element
An optical fiber combiner comprising:
- a coupling device having an input surface area, Ain, and an output surface area, Aout, wherein the input surface area Ain is greater than the output surface area Aout and wherein a body of the coupling device comprises a gradual taper from the input surface area to the output surface area;
- a plurality of optical fibers each having an input surface and an output surface, wherein the output surfaces of the plurality of optical fibers are optically coupled to the coupling device, wherein the coupling device combines optical power emitted by the plurality of optical fibers;
- and
- a hollow structure configured to encase the plurality of optical fibers and to secure the plurality of optical fibers in place for coupling to the coupling device wherein the hollow structure has an asymmetric shape and is configured to scramble one or more modes.
1 more element
Dependencies are inferred from the claim text.