Apparatus for optically connecting a single-mode optical fiber to a multi-mode optical fiber
First Claim
1. An apparatus for connecting a single-mode optical fiber in a transmitting side to a multi-mode optical fiber in a receiving side, comprising:
- first means for holding the single-mode optical fiber and for positioning a core of the single-mode optical fiber within a core area of the multi-mode optical fiber; and
second means for holding the multi-mode optical fiber, said first and second holding means optically connect the single-mode optical fiber and the multi-mode optical fiber in such a manner that optical axes of the single-mode optical fiber and multi-mode optical fiber differ from each other, said first and second holding means holding the single-mode optical fiber and the multi-mode optical fiber with both angle and axial displacements between the optical axis of the single-mode optical fiber and multi-mode optical fiber.
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Accused Products
Abstract
An apparatus connects a single-mode optical fiber in a transmitting side to a multi-mode optical fiber in a receiving side without a deterioration of baseband transmission characteristics. The apparatus optically connects the single-mode fiber to the multi-mode fiber with an optical axes displacement therebetween, so that an optical signal to a multi-mode optical fiber from a single mode optical fiber is incident in a steady state mode including not only lower mode, but higher mode. In one embodiment, the optical axes displacement is achieved by axial displacement between the single-mode fiber and multi-mode fiber. In another embodiment, the optical axes displacement is achieved by an angle displacement between the single-mode fiber and multi-mode fiber.
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Citations
17 Claims
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1. An apparatus for connecting a single-mode optical fiber in a transmitting side to a multi-mode optical fiber in a receiving side, comprising:
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first means for holding the single-mode optical fiber and for positioning a core of the single-mode optical fiber within a core area of the multi-mode optical fiber; and second means for holding the multi-mode optical fiber, said first and second holding means optically connect the single-mode optical fiber and the multi-mode optical fiber in such a manner that optical axes of the single-mode optical fiber and multi-mode optical fiber differ from each other, said first and second holding means holding the single-mode optical fiber and the multi-mode optical fiber with both angle and axial displacements between the optical axis of the single-mode optical fiber and multi-mode optical fiber. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus for optically connecting a single-mode optical fiber in a transmitting side to a multi-mode optical fiber in a receiving side, comprising:
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(a) first means for holding one end of the single-mode optical fiber; (b) second means for holding one end of the multi-mode optical fiber; and (c) third means for creating a difference between optical axes of the single-mode optical fiber and the multi-mode optical fiber. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification