Optical filter module and manufacturing method thereof

Details Optical filter module and manufacturing method thereof Optical filter module and manufacturing method thereof

2007-02-06

2007-02-06

Font, Frank G. (Department: 2883)

Optical waveguides

With disengagable mechanical connector

Structure surrounding optical fiber-to-fiber connection

C385S073000, C385S031000

Reexamination Certificate

active

10381506

ABSTRACT:
Precise V-grooves allowing an optical fiber to project are formed in respective main surfaces of an upper plane substrate and a lower plane substrate. The optical fiber is mounted on one plane substrate, and a multi-layer film filter2is inserted into a filter insertion groove1crossing the precise V-groove in the main surface of the other plane substrate. Then, using the projecting optical fiber and the other precise V-groove as a guide rail, two plane substrates grapple the multi-layer film filter to fix and mount the filter. In an optical filter module obtained in this manner, a process of adjusting an optical axis between input/output optical fibers is eliminated, and displacement of the inserted optical filter is reduced.

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Mitsuda et al., 1998, OFC '98 Technical Digest, Figure 1.
International Search Report corresponding to application No. PCT/JP02/10258 dated Nov. 5, 2002.
English translation of form PCT/ISA/210.

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