Optical fiber securing device
View Patent ↗An optical fiber securing device may include a passage, an optical fiber seat, and a boundary portion. The passage may have an entrance and an exit, the passage configured to receive therein an optical fiber inserted through the entrance, as well as an epoxy. An epoxy path may be provided as a pathway between an epoxy well and the passage. The optical fiber seat may be configured to receive at least a portion of the optical fiber, the optical fiber seat configured to position an end of the optical fiber in optical alignment with a lens. The boundary portion may define an upper boundary of the passage at the exit of the passage, and is configured to restrain epoxy received within the passage such that the epoxy does not become interposed between the end of the optical fiber and the lens.
1. An optical fiber securing device comprising:
a lens block;
a passage defined in through a portion of the lens block, the passage having an entrance and an exit, the passage configured to receive therein a portion of an optical fiber that is inserted through the entrance, and to receive an epoxy;
an optical fiber seat that is located at least partially within the passage and that runs from an edge of the lens block through the passage to a lens, the optical fiber seat being configured to receive at least the portion of the optical fiber, the optical fiber seat being configured to position an end of the optical fiber in optical alignment with the lens; and
a boundary positioned in a region of the exit of the passage, the boundary configured to prevent epoxy from being interposed between the end of the optical fiber and the lens.
2. The optical fiber securing device of claim 1 , wherein the passage is configured to receive at least a portion of the epoxy via capillary action through an epoxy path.
3. The optical fiber securing device of claim 1 , wherein the boundary comprises a protrusion that is shaped to prevent the epoxy from reaching the end of the optical fiber at least in part by generating surface tension in the epoxy.
4. The optical fiber securing device of claim 1 , further comprising an epoxy path configured to provide a pathway for epoxy between an epoxy well and the passage.
5. The optical fiber securing device of claim 1 , wherein the optical fiber seat includes a curved receiving surface configured to position the end of the optical fiber into optical alignment with the lens.
6. The optical fiber securing device of claim 5 , wherein the curved receiving surface has a substantially arc-shaped cross-sectional shape.
7. The optical fiber securing device of claim 1 , further comprising an alignment guide configured to facilitate positioning the end of the optical fiber at a target distance from the lens.
8. The optical fiber securing device of claim 7 , wherein the alignment guide is located substantially in-plane with the target distance from the lens such that the end of the optical fiber is at the target distance from the lens when the end of the optical fiber is in-plane with the alignment guide.
9. The optical fiber securing device of claim 8 , wherein the alignment guide is configured to be recognized by an alignment device configured to control positioning of the optical fiber.
10. The optical fiber securing device of claim 1 , wherein the lens block is included in an optoelectronic plug.
11. An active cable device, comprising:
an optical cable having opposing first and second ends and including an optical fiber extending from the first end to the second end; and
an optoelectronic plug coupled to the first end of the optical cable, the optoelectronic plug including a lens block, wherein the lens block comprises:
a lens;
a passage defined in through a portion of the lens block, the passage configured to receive therein a portion of the optical fiber, and an epoxy;
means for optically aligning an end of the optical fiber with the lens, the means for optically aligning the end of the optical fiber being located at least partially within the passage and that runs from an edge of the lens block through the passage to the lens; and
a boundary positioned in the passage in an exit region, the boundary configured to restrain the epoxy within the passage such that the epoxy does not become interposed between the end of the optical fiber and the lens.
12. The active cable device of claim 11 , wherein the lens block further comprises an alignment guide located substantially in-plane with a target distance from the lens and configured to facilitate positioning the end of the optical fiber at the target distance from the lens.
13. The active cable device of claim 11 , wherein the lens block further comprises:
an epoxy well configured to receive therein the epoxy; and
an epoxy path that provides a pathway for epoxy to travel from the epoxy well to the passage.
14. The active cable device of claim 13 , wherein the pathway includes a hole defined between the epoxy well and the passage.
15. The optical fiber securing device of claim 4 , wherein the pathway includes a hole defined between the epoxy well and the passage.
16. The optical fiber securing device of claim 1 , wherein the exit is smaller than the entrance.
17. The active cable device of claim 11 , wherein:
the passage includes an entrance and an exit; and
the exit is smaller than the entrance.