Variable alignment-type optical fiber block

Optical waveguides – With optical coupler – With alignment device

Reexamination Certificate

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Details

C385S055000, C385S060000, C385S065000

Reexamination Certificate

active

06920268

ABSTRACT:
Disclosed is a variable alignment-type optical fiber block in which alignment of waveguides can be changed according to temperature. The optical fiber block includes: a substrate having a receiving section formed at one end of the substrate, the receiving section having a predetermined volume; a ferrule seated in the receiving section, the ferrule having a hole in which an optical fiber is inserted; a first expandable block disposed between one side surface of the ferrule and an inner wall surface of the receiving section, which are opposed to each other, the first expandable block having a first thermal expansive coefficient; and, a second expandable block disposed between the other side surface of the ferrule and another inner wall surface of the receiving section, which are opposed to each other, the second expandable block having a second thermal expansive coefficient.

REFERENCES:
patent: 5159655 (1992-10-01), Ziebol et al.
patent: 5625730 (1997-04-01), Ishikawa et al.

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