Optical multiplexing/multiplexing devices and method for...

Optical waveguides – With optical coupler – Input/output coupler

Reexamination Certificate

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C385S015000, C385S031000, C385S033000, C385S038000, C385S039000, C385S050000

Reexamination Certificate

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11379788

ABSTRACT:
Techniques for designing optical devices that can be manufactured in volume are disclosed. An optical assembly is build individually and includes a first tube with one end being polished to a slanted angle and attached with a filter. Because of the slanted angle, a predefined angle of incidence can be defined. The assembly is then bonded to a substrate on which other components or more such assemblies are bonded to form an integrated piece. Depending on implementation, the first tube may include no other element, a lens, or a lens and a fiber pigtail that are encapsulated. In the case that the first tube includes no other element or only a lens, a second tube is provided to include a fiber pigtail and a lens, or simply a fiber pigtail. One of the advantages of having two tubes is the underlying mechanism providing a lateral adjustment between the two tubes.

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patent: 6185347 (2001-02-01), Zheng
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patent: 6400867 (2002-06-01), Liu
patent: 6515776 (2003-02-01), Naganuma
patent: 6711325 (2004-03-01), Hwang et al.

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