Claims
- 1. An over-coated optical fiber comprising:
one or more optical fiber elements each constituted by a coated glass fiber; and an over-coating having a positive linear expansion coefficient applied to a circumference of said one or more optical fiber elements; wherein said optical fiber elements have compression strains of not less than 0.03% to less than 0.10% in a longitudinal direction thereof at room temperature.
- 2. An over-coated optical fiber according to claim 1, wherein said over-coated optical fiber is a ribbon over-coated optical fiber in which the optical fiber elements are arranged in parallel, and said over-coating is provided around said optical fiber elements in a lump.
- 3. An over-coated optical fiber according to claim 1, wherein said over-coated optical fiber is a single-fiber over-coated optical fiber in which one optical fiber element is coated with said over-coating.
- 4. An over-coated optical fiber according to claim 1, wherein a compression strain of said glass fiber in a longitudinal direction thereof is larger as a position goes from the center to the outer side in said optical fiber elements constituting said over-coated optical fiber.
- 5. An over-coated optical fiber comprising:
one or more optical fiber elements each constituted by a coated glass fiber; and an over-coating applied to a circumference of said one or more optical fiber elements, said over-coating comprising a UV-curable resin; wherein said optical fiber elements have compression strains of not less than 0.03% to less than 0.10% in a longitudinal direction thereof at room temperature.
- 6. An over-coated optical fiber according to claim 5, wherein said over-coated optical fiber is a ribbon over-coated optical fiber in which the optical fiber elements are arranged in parallel, and said over-coating is provided around said optical fiber elements in a lump.
- 7. An over-coated optical fiber according to claim 5, wherein said over-coated optical fiber is a single-fiber over-coated optical fiber in which one optical fiber element is coated with said over-coating.
- 8. An over-coated optical fiber according to claim 5, wherein a compression strain of said glass fiber in a longitudinal direction thereof is larger as a position goes from the center to the outer side in said optical fiber elements constituting said over-coated optical fiber.
- 9. An over-coated optical fiber comprising:
one or more optical fiber elements each constituted by a coated glass fiber; and an over-coating applied to a circumference of said one or more optical fiber elements, said over-coating comprising a thermoplastic resin; wherein said optical fiber elements have compression strains of not less than 0.03% to less than 0.10% in a longitudinal direction thereof at room temperature.
- 10. An over-coated optical fiber according to claim 9, wherein said over-coated optical fiber is a ribbon over-coated optical fiber in which the optical fiber elements are arranged in parallel, and said over-coating is provided around said optical fiber elements in a lump.
- 11. An over-coated optical fiber according to claim 9, wherein said over-coated optical fiber is a single-fiber over-coated optical fiber in which one optical fiber element is coated with said over-coating.
- 12. An over-coated optical fiber according to claim 9, wherein a compression strain of said glass fiber in a longitudinal direction thereof is larger as a position goes from the center to the outer side in said optical fiber elements constituting said over-coated optical fiber.
- 13. An optical fiber cable comprising:
a plurality of optical fiber elements each including a coated glass fiber; and an over-coating applied to a circumference of one or more of the optical fiber elements; wherein the optical fiber elements have compression strains of not less than 0.03% to less than 0.10% in a longitudinal direction thereof at room temperature; wherein the over-coated optical fiber cable is a ribbon over-coated optical fiber cable in which the optical fiber elements are arranged in parallel, and the over-coating is provided around said optical fiber elements; wherein the compression strains of the optical fiber elements are larger for the optical fiber elements at the outer positions in the over-coated optical fiber cable than for the optical fiber elements at the center positions in the over-coated optical fiber cable.
Priority Claims (2)
Number |
Date |
Country |
Kind |
9-118555 |
May 1997 |
JP |
|
9-336219 |
Dec 1997 |
JP |
|
Parent Case Info
[0001] This application is a continuation-in-part of application Ser. No. 09/075,179 filed May 11, 1998.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
09075179 |
May 1998 |
US |
Child |
09788668 |
Feb 2001 |
US |