Compact optical module with adjustable joint for decoupled...

Optical waveguides – With optical coupler – With alignment device

Reexamination Certificate

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C385S092000

Reexamination Certificate

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06909827

ABSTRACT:
Two sub-assemblies in a fiber optic device are fitted to mounting faces of a central section. The mounting faces are typically flat and mutually orthogonal, thus permitting the adjustment of the two sub-assemblies in decoupled degrees of freedom. This results in a simpler adjustment procedure for aligning the two sub-assemblies. Furthermore, the mounting of the sub-assemblies using the orthogonal mounting faces permits the use of relatively thin layers of adhesive that reduce misalignment problems arising from mismatched thermal expansion when the temperature changes.

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U.S. patent application No. 10/138,169 Alignment of Collimator Sub-Assemblies, filed May 1, 2002.

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