Fiber optic connector assemblies having windowed optical fibers and methods thereof

Patent metadata

Field	Value
Publication number	US-9798089-B2
Application number	US-201313737472-A
Country	US
Kind code	B2
Filing date	Jan 9, 2013
Priority date	Jan 9, 2013
Publication date	Oct 24, 2017
Grant date	Oct 24, 2017

Abstract

Fiber optic connector assemblies and method for assembling the same are disclosed. In one embodiment, a fiber optic connector assembly includes an optical fiber having an inner glass region, a polymer layer surrounding the inner glass region, and a windowed portion, wherein the inner glass region is exposed at the windowed portion. The fiber optic connector assembly further includes a connector body having a demarcation region at a first end, wherein the optical fiber is disposed within the connector body such that at least a portion of the windowed portion is positioned in the demarcation region, and the optical fiber is adhered to the connector body at the windowed portion. In another embodiment, the demarcation region includes an opening in the outer jacket that exposes the at least a portion of the windowed portion of the plurality of optical fibers and the optical fibers are adhered to a portion of the cable.

First claim

The invention claimed is:

1. A fiber optic connector assembly comprising:
an optical fiber comprising an inner glass region, a polymer layer surrounding the inner glass region, a first unstripped region, a second unstripped region, and a windowed portion, wherein the inner glass region is exposed at the windowed portion and the windowed portion is positioned between the first unstripped region and the second unstripped region; and
a connector body comprising:
a connector housing coupled to a strain relief element; and
a demarcation region comprising a slot opening in the strain relief element, wherein the optical fiber is disposed within the strain relief element and the connector body such that the windowed portion of the optical fiber is positioned in the demarcation region, and the optical fiber is adhered to the connector body along a portion of the windowed portion.

2. The fiber optic connector assembly of claim 1 , wherein the optical fiber is adhered to the connector body at the windowed portion with a UV curable adhesive.

3. The fiber optic connector assembly of claim 1 , wherein the optical fiber is adhered to the connector body at the windowed portion with an elastomeric adhesive.

4. The fiber optic connector assembly of claim 1 , wherein the inner glass region comprises a glass core and a glass cladding surrounding the glass core.

5. The fiber optic connector assembly of claim 4 , wherein the polymer layer comprises a polymer coating on the glass cladding.

6. The fiber optic connector assembly of claim 5 , wherein the polymer coating is removed at the windowed portion.

7. The fiber optic connector assembly of claim 1 , wherein the polymer layer is removed by a laser process.

8. The fiber optic connector assembly of claim 1 , further comprising an electrical connector disposed within the connector body at an end opposite from the first end.

9. The fiber optic connector assembly of claim 1 , wherein:
the optical fiber comprises a fiber end; and
the fiber end is secured within the connector body at a termination location such that excess optical fiber is present between the demarcation region and the termination location.

10. The fiber optic connector assembly of claim 9 , further comprising a fiber guide component comprising a curved groove, wherein the optical fiber is disposed within the curved groove.

11. The fiber optic connector assembly of claim 9 , wherein the optical fiber has a bend within the connector body between the demarcation region and the termination location.

12. A fiber optic connector assembly comprising:
an optical cable comprising a plurality of optical fibers within an outer jacket, wherein each individual optical fiber of the plurality of optical fibers comprises an inner glass region, a polymer layer surrounding the inner glass region, a first unstripped region, a second unstripped region, and a windowed portion where the inner glass region is exposed at the windowed portion and the windowed portion is positioned between the first unstripped region and the second unstripped region; and
a connector body comprising:
a connector housing coupled to a strain relief element; and
a demarcation region comprising a slot opening in the strain relief element, wherein the plurality of optical fiber is disposed within the strain relief element and the connector body such that the windowed portions of the plurality of optical fibers is positioned in the demarcation region, and the optical fiber is adhered to the connector body along a portion of the windowed portion.

13. The fiber optic connector assembly of claim 12 , wherein the plurality of optical fibers is adhered to the outer jacket by a UV curable adhesive at the windowed portion.

14. The fiber optic connector assembly of claim 12 , wherein the inner glass region comprises a glass core and a glass cladding surrounding the glass core.

15. The fiber optic connector assembly of claim 12 , wherein the polymer layer comprises a polymer coating on the glass cladding.

16. The fiber optic connector assembly of claim 15 , wherein the polymer coating is removed at the windowed portion.

17. The fiber optic connector assembly of claim 16 , wherein the polymer layer is removed by a laser process.

18. The fiber optic connector assembly of claim 12 , further comprising a heat shrink wrap disposed around the demarcation region.

Assignees

• Corning Cable Sys Llc
• Corning Optical Communications LLC

Inventors

• Isenhour Micah Colen
• Knecht Dennis Michael
• Luther James Phillip
• Roberts Reginald

Classifications

• G02B6/245

  Removing protective coverings of light guides before coupling · CPC title

• G02B6/3887

  Anchoring optical cables to connector housings, e.g. strain relief features · CPC title

• Y10T156/1043

  Subsequent to assembly · CPC title

• G02B6/36 Primary

  Mechanical coupling means (G02B6/255, G02B6/42 take precedence) · CPC title

• G02B6/4214 Primary

  the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device (G02B6/4246 takes precedence) · CPC title