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Proceedings Paper

Integration of polymeric micro-optical elements with planar waveguiding circuits
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Paper Abstract

We report on an advanced polymer technology that enable the low-cost monolithic integration of micro-optical elements with planar waveguiding circuitry. We have developed high- performance organic polymeric materials in which both micro- optical and waveguiding structures can be formed with controlled geometries. These materials are formed form highly-crosslinked acrylate monomers with specific linkages that determine properties such as flexibility, toughness, contrast, loss, and stability against yellowing. Waveguides with microns to tens of microns dimensions as well as micro- optical structures that are up to several hundred microns in thickness are printed photolithographically, withthe liquid monomer mixture polymerizing upon illumination in the UV via either mask exposure or laser direct-writing. Precise control of the photochemical reaction dynamics results in high resolution in the complete thickness range. A variety of rigid and flexible substrates can be utilized, including glass, quartz, silicon, glass-filled epoxy printed circuit board substrate, and flexible polyimide film. We discuss the production of various novel micro-optical elements that we routinely integrate with waveguiding circuits. These elements include fiber grippers for waveguide pigtailing, prisms for coupling of light from VCSELs into waveguides and from guides into photodetector chips, and pedestals for passive alignment of fiber ribbons or waveguide-array strips to waveguides.

Paper Details

Date Published: 20 April 1998
PDF: 12 pages
Proc. SPIE 3289, Micro-Optics Integration and Assemblies, (20 April 1998); doi: 10.1117/12.305476
Show Author Affiliations
Louay A. Eldada, AlliedSignal Inc. (United States)
James T. Yardley, AlliedSignal Inc. (United States)

Published in SPIE Proceedings Vol. 3289:
Micro-Optics Integration and Assemblies
Michael R. Feldman; Yung-Cheng Lee, Editor(s)

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