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US 10,539,740 B2Granted
Optical combiner
AssigneeOFS Fitel, LLC
InventorWilliam R Holland
Life of this patent
Estimating the term…
Abstract
A waveguide comprises an un-tapered end and a tapered end. The waveguide progressively varies a numerical aperture (NA) of light as the light propagates from the tapered end to the un-tapered end.
Claims15
An apparatus comprising:
- an un-tapered end;
- a tapered end arranged in a ring configuration;
- and
- waveguides extending from the un-tapered end to the tapered end, each waveguide comprising:
- a substantially circular cross-sectional area at the un-tapered end;
- a substantially pie-shaped cross-sectional area at the tapered end;
- and
- a transition region located between the un-tapered end and the tapered end, the transition region having a cross-sectional area that progressively varies from the substantially circular cross-sectional area to the substantially pie-shaped cross-sectional area, the progressively-varying cross-sectional area for correspondingly varying light from a first numerical aperture (NA) to a second NA.
5 more elements
An apparatus, comprising:
- un-tapered ends;
- tapered ends corresponding to the un-tapered ends, the tapered ends being arranged in a ring configuration;
- and
- transition regions, each transition region being located between its corresponding un-tapered end and its corresponding tapered end, each transition region for progressively-varying light from a first numerical aperture (NA) to a second NA.
1 more element
An apparatus, comprising:
- an un-tapered end;
- a tapered end being arranged in a ring configuration;
- and
- a transition region between the un-tapered end and the tapered end, the transition region for progressively-varying light from a first numerical aperture (NA) to a second NA.
1 more element
Dependencies are inferred from the claim text.