Thin film optical component for use in optical transmission line

Details Thin film optical component for use in optical transmission line Thin film optical component for use in optical transmission line

1989-06-16

1990-09-25

Lee, John D.

350316, 350320, G02B 626

Patent

active

049588974

ABSTRACT:
An optical component and a manufacturing method therefor are provided, in which an optical member is arranged across a spot-size enlarged portion of an optical fiber. The spot-size enlarged portion is formed either by heating and drawing an optical fiber to reduce its diameter or by diffusing core dopant of an optical fiber outwardly while heating the same. The optical component functions as an optical filter, an optical attenuator, a polarizer, a wavelength division multiplexer/demultiplexer or the like, depending on selection of the optical member.

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patent: 4452505 (1984-06-01), Gasparian
patent: 4541159 (1985-09-01), Michel et al.
patent: 4637682 (1987-01-01), Mahlein et al.
patent: 4693546 (1987-09-01), Lorenzo et al.
patent: 4763976 (1988-08-01), Nolan et al.

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