Optical connection method and optical transmission apparatus

Details Optical connection method and optical transmission apparatus Optical connection method and optical transmission apparatus

2008-09-30

2008-09-30

Healy, Brian (Department: 2883)

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

C385S037000, C385S039000, C385S053000, C385S092000, C385S123000, C385S124000, C385S125000, C385S126000, C385S127000, C385S128000, C385S141000, C385S142000, C385S144000, C385S147000

Reexamination Certificate

active

11660648

ABSTRACT:
A plastic optical fiber (11) has a core (12) and a clad (13). The clad (13) is composed of an outer clad (14) and an inner clad (15). The refractive index in the core (12) gradually increases as the distance from the center thereof decreases. The refractive index in the inner clad (15) is equal to the minimum value of the refractive index in the core (12), and the refractive index in the outer clad (14) is smaller than that in the inner clad (15). For the purpose of decreasing the transmission loss between the plastic optical fiber (11) and a light emission device or the light receiving device, the diameter d1of the core (12) and the outer diameter d2of the inner clad (15) satisfy the following conditions;in-line-formulae description="In-line Formulae" end="lead"?100(μm)≦d1≦700(μm)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?200(μm)≦d1≦1000(μm)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?d1<d2.in-line-formulae description="In-line Formulae" end="tail"?

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Giok-djan Khoe (“Lightwave Technology: Expectations, Problem, and Achievements” IEEE Transactions on Selected Topic In Quantum Electronics, vol. 6, No. 6, Nov./Dec. 2000).
“Usage of Plastic Fiber and Important Notices” Optronics Co., Ltd., 1992, pp. 87-98, (concreteley, 90-92).

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