End face structure of optical fiber, optical fiber laser,...

Optical waveguides – With optical coupler – Input/output coupler

Reexamination Certificate

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C385S027000, C385S031000, C385S032000, C385S033000, C385S039000, C385S123000, C385S124000, C385S127000, C385S128000, C372S006000, C372S013000, C372S039000, C372S092000, C372S101000

Reexamination Certificate

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07409122

ABSTRACT:
An end face structure of an optical fiber includes a coreless fiber fused to an emitting end face of the fiber optical fiber and a coating material disposed around at least the coreless fiber, a refractive index of the coating material being higher than a refractive index of the coreless fiber.

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patent: 6418252 (2002-07-01), Maitland
patent: 6424765 (2002-07-01), Harker
patent: 6485199 (2002-11-01), Ware et al.
patent: 2002/0168139 (2002-11-01), Clarkson et al.
patent: 2006/0250658 (2006-11-01), Jurgensen
patent: 7-225325 (1995-08-01), None
patent: 7-281054 (1995-10-01), None
patent: 2002-040271 (2002-02-01), None

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