Traceable fiber optic cable assembly with fiber guide and tracing optical fibers for carrying light received from a light launch device

• US 10,222,560 B2
• Filed: 01/20/2017
• Issued: 03/05/2019
• Est. Priority Date: 12/21/2016
• Status: Active Grant

• Current Assignee: Corning Research & Development Corporation (Corning Incorporated)
• Original Assignee: Corning Research & Development Corporation (Corning Incorporated)
• Inventors: Bauco, Anthony Sebastian, Butler, Douglas Llewellyn, Jones, Ashley Wesley, Lail, Jason Clay, ten Have, Eric Stephan
• Primary Examiner(s): Doan, Jennifer
• Application Number:
  US15/411,157
• Publication Number:
  US 20180172942A1
• Time in Patent Office: 774 Days
• CPC Class Codes: G02B 6/0006 Coupling light into the fibre in general G02B6/4298
• CPC Class Codes: G02B 6/0008 the light being emitted at the end of the fibre
• CPC Class Codes: G02B 6/245 Removing protective coverings of light guides before coupling
• CPC Class Codes: G02B 6/262 Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
• CPC Class Codes: G02B 6/3809 without a ferrule embedding the fibre end, i.e. with bare fibre end
• CPC Class Codes: G02B 6/3855 characterised by the method of anchoring or fixing the fibre within the ferrule G02B6/3854 takes precedence
• CPC Class Codes: G02B 6/3873 Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
• CPC Class Codes: G02B 6/3878 comprising a plurality of ferrules, branching and break-out means
• CPC Class Codes: G02B 6/38875 Protection from bending or twisting
• CPC Class Codes: G02B 6/3888 Protection from over-extension or over-compression
• CPC Class Codes: G02B 6/3893 Push-pull type, e.g. snap-in, push-on
• CPC Class Codes: G02B 6/3895 identification of connection, e.g. right plug to the right socket or full engagement of the mating parts keying element on the plug or adapter G02B6/3831; keying element on the ferrule G02B6/3851; keying element for electrical connection H01R13/64
• CPC Class Codes: G02B 6/4292 the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
• CPC Class Codes: G02B 6/43 Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
• CPC Class Codes: G02B 6/4416 Heterogeneous cables
• CPC Class Codes: G02B 6/44529 Optical means for identifying patch-cords
• CPC Class Codes: G02B 6/4459 Ducts; Conduits; Hollow tubes for air blown fibres
• CPC Class Codes: G02B 6/4482 Code or colour marking
• CPC Class Codes: G02B 6/562 locatable, e.g. using magnetic means
• CPC Class Codes: H04Q 1/136 having patch field management or physical layer management arrangements

Abstract

A cable tracing system includes a fiber optic connector with a connector fiber guide. The connector fiber guide includes a planar surface, a launch opening defined in the planar surface, and at least one alignment surface proximate the planar surface. The connector also includes a tracing optical fiber with a first launch end positioned within the launch opening of the fiber guide. The tracing optical fiber is accessible from an exterior of the housing for receiving an optical tracing signal from a launch optical fiber. The alignment surface is configured to axially align the launch optical fiber with the first tracing optical fiber.

Claims

1. A cable tracing system, comprising:

a fiber optic connector comprising;

a housing defining an interior and comprising a connector fiber guide, the connector fiber guide comprising a planar surface, a launch opening defined in the planar surface, and at least one alignment surface proximate the planar surface;

at least one data transmission element, at least a portion of the at least one data transmission element positioned within the interior of the housing for direction of an optical data signal;

a first launch end of a first tracing optical fiber positioned within the launch opening of the housing and accessible from an exterior of the housing for receiving a first optical tracing signal from a launch optical fiber to direct the first optical tracing signal to a first emission end of the first tracing optical fiber; and

a second emission end of a second tracing optical fiber positioned within the housing;

the at least one alignment surface configured to axially align the launch optical fiber with the first launch end of the first tracing optical fiber;

wherein the launch connector further comprises the launch optical fiber and a launch fiber guide comprising at least one alignment surface; and

wherein the at least one alignment surface of the launch fiber guide is complementary to the at least one alignment surface of the connector fiber guide for axially aligning the launch optical fiber with the first launch end of the first tracing optical fiber.

2. The cable tracing system of claim 1, further comprising a launch connector removably attachable to the fiber optic connector, the launch connector configured to direct the first optical tracing signal to the first launch end of the first tracing optical fiber when mechanically engaged with the fiber optic connector.

3. The cable tracing system of claim 2, wherein the launch connector comprises a body having a central channel with an open bottom, at least a portion of the fiber optic connector positionable within the central channel and removable therefrom.

4. The cable tracing system of claim 2, wherein the launch connector is configured to be attachable to and removable from the fiber optic connector when the fiber optic connector is mechanically engaged with a fiber optic component.

5. The cable tracing system of claim 1, wherein the fiber optic connector comprises no electrically conducting devices.

6. The cable tracing system of claim 1, wherein at least a portion of the fiber optic connector comprises a translucent material configured to receive at least a portion of a second optical tracing signal emitted from the second emission end of the second tracing optical fiber.

7. The cable tracing system of claim 1, wherein the second emission end of the second tracing optical fiber is configured such that a second optical tracing signal emitted therefrom illuminates at least a portion of the fiber optic connector.

8. The cable tracing system of claim 2, wherein the at least one alignment surface comprises:

a first surface having a first gradient varying along a first axis perpendicular to a central axis of the first launch end; and

a second surface having a second gradient varying along the first axis and opposite from the first gradient;

the first surface and the second surface configured to align the launch connector about the first and second gradients to align the launch optical fiber of the launch connector with the first tracing optical fiber along the first axis.

9. The cable tracing system of claim 8, wherein the at least one alignment surface further comprises:

a third surface having a third gradient varying along a second axis perpendicular to the first axis and perpendicular to the central axis; and

a fourth surface having a fourth gradient varying along the second axis and opposite from the third gradient;

the third surface and the fourth surface configured to align the launch connector about the third and fourth gradients to align the launch optical fiber of the launch connector with the first tracing optical fiber along the second axis.

10. The cable tracing system of claim 9, wherein at least a portion of at least one of the first surface, second surface, third surface, or fourth surface forms a curved surface.

11. The cable tracing system of claim 9, wherein at least a portion of at least one of the first surface, second surface, third surface, or fourth surface forms a planar surface.

12. The cable tracing system of claim 1, wherein at least a portion of a peripheral edge of the planar surface is not enclosed by the at least one alignment surface to provide cleaving access to the first launch end of the first tracing optical fiber.

13. The cable tracing system of claim 1, wherein the second emission end is configured to emit a second optical tracing signal received from a second launch end of the second tracing optical fiber into the interior of the housing.

14. The cable tracing system of claim 13, wherein the first optical tracing signal and the second optical tracing signal are not transmitted simultaneously.

15. A cable tracing system, comprising:

a traceable fiber optic cable assembly, comprising;

a traceable fiber optic cable, comprising;

at least one data transmission element for communication of an optical data signal;

a first tracing optical fiber comprising a first launch end and a first emission end; and

a second tracing optical fiber comprising a second launch end and a second emission end;

a first fiber optic connector at a first end of the traceable fiber optic cable, the first fiber optic connector comprising a first housing defining a first interior and comprising a first connector fiber guide, the first connector fiber guide comprising a first planar surface, a first launch opening defined in the first planar surface, and at least one first alignment surface proximate the first planar surface; and

a second fiber optic connector at a second end of the traceable fiber optic cable, the second fiber optic connector comprising a second housing defining a second interior and comprising a second connector fiber guide, the second connector fiber guide comprising a second planar surface, a second launch opening defined in the second planar surface, and at least one second alignment surface proximate the first planar surface;

the first launch end of the first tracing optical fiber positioned within the first launch opening of the first housing of the first fiber optic connector and the first emission end of the first tracing optical fiber is positioned within the second housing of the second fiber optic connector;

the second launch end of the second tracing optical fiber positioned within the second launch opening of the second housing of the second fiber optic connector and the second emission end of the second tracing optical fiber is positioned within the first housing of the first fiber optic connector;

the first launch end accessible from an exterior of the second housing for receiving a first optical tracing signal from a launch optical fiber for direction of the first optical tracing signal to the first emission end of the first tracing optical fiber;

the second launch end accessible from an exterior of the first housing for receiving a second optical tracing signal from the launch optical fiber for direction of the second optical tracing signal to the second emission end of the second tracing optical fiber;

at least a portion of a peripheral edge of the first planar surface not enclosed by the at least one first alignment surface to provide cleaving access to the first launch end of the first tracing optical fiber;

at least a portion of a peripheral edge of the second planar surface not enclosed by the at least one second alignment surface to provide cleaving access to the second launch end of the second tracing optical fiber;

the at least one first alignment surface configured to axially align the launch optical fiber with the first launch end of the first tracing optical fiber; and

the at least one second alignment surface configured to axially align the launch optical fiber with the second launch end of the second tracing optical fiber.

16. The cable tracing system of claim 15, further comprising:

a launch connector removably attachable to the first fiber optic connector;

the launch connector configured to;

direct the first optical tracing signal to the first launch end of the first tracing optical fiber when mechanically engaged with the first fiber optic connector; and

direct the second optical tracing signal to the second launch end of the second tracing optical fiber when mechanically engaged with the second fiber optic connector.

17. The cable tracing system of claim 16, wherein:

the launch connector further comprises the launch optical fiber and a launch fiber guide comprising at least one alignment surface;

the at least one alignment surface of the launch fiber guide is complementary to the at least one first alignment surface of the first connector fiber guide for axially aligning the first launch optical fiber with the first launch end of the first tracing optical fiber; and

the at least one alignment surface of the launch fiber guide is complementary to the at least one second alignment surface of the second connector fiber guide for axially aligning the second launch optical fiber with the second launch end of the second tracing optical fiber.

18. The cable tracing system of claim 16, wherein:

the launch connector comprises a body having a central channel with an open bottom;

at least a portion of the first fiber optic connector is positionable within the central channel and removable therefrom; and

at least a portion of the second fiber optic connector is positionable within the central channel and removable therefrom.

19. The cable tracing system of claim 16, wherein:

the launch connector is configured to be attachable to and removable from the first fiber optic connector when the first fiber optic connector is mechanically engaged with a first fiber optic component, and

the launch connector is configured to be attachable to and removable from the second fiber optic connector when the second fiber optic connector is mechanically engaged with a second fiber optic component.

20. The cable tracing system of claim 15, wherein the traceable fiber optic cable assembly comprises no electrically conducting devices.

21. The cable tracing system of claim 15, wherein:

at least a portion of the first fiber optic connector comprises a first translucent material to allow at least a portion of the second optical tracing signal to exit the first interior of the first housing; and

at least a portion of the second fiber optic connector comprises a second translucent material to allow at least a portion of the first optical tracing signal to exit the second interior of the second housing.

22. The cable tracing system of claim 15, wherein:

the first emission end of the first tracing optical fiber is configured such that emission of the first optical tracing signal therefrom illuminates at least a portion of the second fiber optic connector; and

the second emission end of the second tracing optical fiber is configured such that emission of the second optical tracing signal therefrom illuminates at least, a portion of the first fiber optic connector.

23. The cable tracing system of claim 15, wherein:

the at least one first alignment surface comprises;

a first surface having a first gradient varying along a first axis perpendicular to a central axis of the first launch end; and

a second surface having a second gradient varying along the first axis and opposite from the first gradient;

the first surface and the second surface configured to align the launch connector about the first and second gradients to align the launch optical fiber of a launch connector with the first tracing optical fiber along the first axis; and

the at least one second alignment surface comprises;

a first surface having a first gradient varying along a first axis perpendicular to a central axis of the first launch end; and

a second surface having a second gradient varying along the first axis and opposite from the first gradient;

the first surface and the second surface configured to align the launch connector about the first and second gradients to align the launch optical fiber of the launch connector with the second tracing optical fiber along the first axis.

24. The cable tracing system of claim 23, wherein:

the at least one first alignment surface further comprises;

a third surface having a third gradient varying along a second axis perpendicular to the first axis and perpendicular to the central axis; and

a fourth surface having a fourth gradient varying along the second axis and opposite from the third gradient;

the third surface and the fourth surface configured to align the launch connector about the third and fourth gradients to align the launch optical fiber of the launch connector with the first tracing optical fiber along the second axis;

the at least one second alignment surface further comprises;

a third surface having a third gradient varying along a second axis perpendicular to the first axis and perpendicular to the central axis; and

a fourth surface having a fourth gradient varying along the second axis and opposite from the third gradient;

the third surface and the fourth surface configured to align the launch connector about the third and fourth gradients to align the launch optical fiber of the launch connector with the second tracing optical fiber along the second axis.

25. The cable tracing system of claim 24, wherein:

at least a portion of at least one of the first surface, second surface, third surface, or fourth surface of the at least one first alignment surface forms a curved surface; and

at least a portion of at least one of the first surface, second surface, third surface, or fourth surface of the at least one second alignment surface forms a curved surface.

26. The cable tracing system of claim 24, wherein:

at least a portion of at least one of the first surface, second surface, third surface, or fourth surface of the at least one first alignment surface forms a planar surface; and

at least a portion of at least one of the first surface, second surface, third surface, or fourth surface of the at least one second alignment surface forms a planar surface.

27. A cable tracing system, comprising:

a fiber optic connector comprising;

a housing defining an interior and comprising a connector fiber guide, the connector fiber guide comprising an opening and at least one alignment surface proximate the opening;

at least one data transmission element, wherein at least a portion of the at least one data transmission element is positioned within the interior of the housing for direction of an optical data signal; and

a first end of a tracing optical fiber positioned within the opening of the housing and accessible from an exterior of the housing, the first end configured to receive a first optical tracing signal from a launch optical fiber to direct the first optical tracing signal to a second end of the tracing optical fiber; and

the at least one alignment surface configured to axially align the launch optical fiber with the first end of the tracing optical fiber;

wherein the launch connector further comprises the launch optical fiber and a launch fiber guide comprising at least one alignment surface; and

wherein the at least one alignment surface of the launch fiber guide is complementary to the at least one alignment surface of the connector fiber guide for axially aligning the launch optical fiber with the first end of the tracing optical fiber.

28. The cable tracing system of claim 27, further comprising a launch connector removably attachable to the fiber optic connector, the launch connector configured to direct the first optical tracing signal to the first end of the tracing optical fiber when the launch connector is mechanically engaged with the fiber optic connector.

29. The cable tracing system of claim 28, wherein the launch connector comprises a body having a central channel with an open bottom, at least a portion of the fiber optic connector positionable within the central channel and removable therefrom.

30. The cable tracing system of claim 28, wherein the launch connector is configured to be attachable to and removable from the fiber optic connector when the fiber optic connector is mechanically engaged with a fiber optic component.

31. The cable tracing system of claim 27, wherein the fiber optic connector comprises no electrically conducting devices.

32. The cable tracing system of claim 27, wherein at least a portion of the fiber optic connector comprises a translucent material configured to receive at least a portion of a second optical tracing signal from the interior of the housing.

33. The cable tracing system of claim 32, wherein the first end of the tracing optical fiber is configured such that emission of the second optical tracing signal therefrom illuminates at least a portion of the fiber optic connector.

34. The cable tracing system of claim 28, wherein the at least one alignment surface comprises:

a first surface having a first gradient varying along a first, axis perpendicular to a central axis of the first end; and

a second surface having a second gradient varying along the first axis and opposite from the first gradient;

the first surface and the second surface configured to align the launch connector about the first and second gradients to align the launch optical fiber of the launch connector with the tracing optical fiber along the first axis.

35. The cable tracing system of claim 34, wherein the at least one alignment surface further comprises:

a third surface having a third gradient varying along a second axis perpendicular to the first axis and perpendicular to the central axis; and

a fourth surface having a fourth gradient varying along the second axis and opposite from the third gradient;

the third surface and the fourth surface configured to align the launch connector about the third and fourth gradients to align the launch optical fiber of the launch connector with the tracing optical fiber along the second axis.

36. The cable tracing system of claim 35, wherein at least a portion of at least one of the first surface, second surface, third surface, or fourth surface forms a curved surface.

37. The cable tracing system of claim 35, wherein at least a portion of at least one of the first surface, second surface, third surface, or fourth surface forms a planar surface.

38. The cable tracing system of claim 27, wherein the connector fiber guide further comprises a planar surface, the opening is defined in the planar surface, and at least a portion of a peripheral edge of the planar surface is not enclosed by the at least one alignment surface to provide cleaving access to the first end of the first tracing optical fiber.