Optical transmission device

Details Optical transmission device Optical transmission device

2007-11-06

2007-11-06

Leung, Quyen P (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Utilizing nonsolid core or cladding

C385S039000

Reexamination Certificate

active

10553842

ABSTRACT:
A connection end portion of a PC fiber10is fused by heating to provide a sealing portion15which seals holes12aof a cladding12. Length L of the sealing portion15is determined by calculation based on the conditions such as an incident angle θ [°] of signal light22with respect to the PC fiber10, an outer diameter D [μm] of the fiber, a diameter a [μm] of the core of the fiber and a refractive index n of the sealing portion15.

REFERENCES:
patent: 2002/0159734 (2002-10-01), Sasaoka et al.
patent: 5-288967 (1993-11-01), None
patent: 05288967 (1993-11-01), None
patent: 8-220378 (1996-08-01), None
patent: 08220378 (1996-08-01), None
patent: 2002-323625 (2002-11-01), None
patent: 2002323625 (2002-11-01), None
Raw Machine English Translation of JP 05288967 A, Printed on May 8, 2007.
Raw Machine English Translation of JP 08220378 A, Printed on May 8, 2007.
International Search Report with mail date Jun. 1, 2004 Application No. PCT/JP2004/005526.

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