Precision machined warped waveguide wafer

Details Precision machined warped waveguide wafer Precision machined warped waveguide wafer

1994-09-20

1999-03-30

Lee, John D.

Optical waveguides

Planar optical waveguide

83875, G02B 613

Patent

active

058899111

ABSTRACT:
A method of precision machining at least one cut into an article having a non-uniform surface, wherein the cut is of substantially constant depth relative to the non-uniform surface. One aspect of the invention is a machined optical wafer having two adjacent notches, to serve as a platform for a fiber optic pigtail, machined into the edge of the wafer. Another aspect of the invention is a method of automatically machining a plurality of notches into an optical wafer. For optical wafers having embedded light paths, light detected from these light paths may be used to compensate for the variation in embedded depth of the light paths.

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