Method of attenuating an optical signal

Details Method of attenuating an optical signal Method of attenuating an optical signal

2005-01-18

2005-01-18

Healy, Brian (Department: 2883)

Optical waveguides

Accessories

Attenuator

C385S088000

Reexamination Certificate

active

06845211

ABSTRACT:
A method and apparatus are provided for transmitting an optical communications signal. The method includes the steps of securing an optical device onto an optically transparent substrate with an optically transparent adhesive such that an axis of transmission of the optical device passes directly through the optically transparent adhesive and a portion of the body of the optically transparent substrate, darkening a portion of the optically transparent adhesive with a laser; and transmitting light from the optical device through the darkened portion of the optically transparent adhesive such that at least some of the light from the optical device is absorbed by the darkened portion.

REFERENCES:
patent: 5032718 (1991-07-01), Murakami
patent: 5990498 (1999-11-01), Chapnik et al.
patent: 6257772 (2001-07-01), Nakanishi et al.
patent: 6404970 (2002-06-01), Gransden et al.
patent: 6579398 (2003-06-01), Ogawa

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