| 摘要 |
A method for fabricating optical devices for transmission and/or manipulation of light includes steps of providing a substrate (22) which defines a reference plane for positioning cladding material and core material, fixing rigid spacers (12) to an upper surface of the substrate (22), the spacers having upper surfaces which define a second plane spaced above a reference plane, depositing a layer of a formable, curable under-cladding material over the upper surface of the substrate (22), the upper surface of the rigid spacers (12) providing a guide for precise control of the height of the under-cladding material above the surface of the substrate (22). The resulting optical device includes a substrate (22), spacers (12), a polymeric under-cladding layer (30), a polymer light guide core (50), and a polymeric over-cladding layer (56).
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