Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"Polymer waveguides"”.
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Biochemical sensing using Siloxane polymer waveguides
… sensing. Recent advances in the integration of polymeric optical waveguides with electronics onto standard printed circuit boards (PCBs) allow the formation of cost-effective lab-on-achip modules suitable for mass production. This technology has been primarily designed for on-board data …
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Flexible Polymer Waveguides for High-Speed Short-Reach Links
… presents a detailed study of flexible polymer waveguides for used in short-reach communication links. Flexible polymer waveguides enable a wider range of applications as compared to the rigid polymer waveguides, especially for the rack-to-rack links and data bus systems in autonomous …
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Investigation of polymer waveguides for fully embedded board-level optoelectronic interconnects
… optoelectronic interconnect structure utilizing polymer waveguides and 45-degree micro mirror light couplers. This structure is expected to provide high-speed, large bandwidth, low power dissipation, as well as compatibility to conventional PCB fabrication process, ease of optical alignment and …
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Polymer waveguide based optical interconnects for high-speed on-board communications
This dissertation presents a study of multimode polymer waveguide technology for use in board-level communication links for future data centres and supercomputers. The motivation for this work comes from the severe interconnection bandwidth challenges faced by the conventional electrical …
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Fabrication of optical-mode converters for efficient fiber-to-silicon-waveguide couplers
… from an optical fiber is coupled into a large polymer waveguide and then gradually transferred to a smaller silicon waveguide whose width increases with distance along the guide. Several devices were designed and fabricated to measure the efficiency of the coupler. E-beam exposure doses and …
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Customizing Multifunctional Bidirectional Neural Interfaces through Fiber Drawing
… the fiber integration of metals and low-loss polymer waveguides for concurrent electrical and optical neuromodulation. To address this challenge, three fabrication approaches based on fiber drawing were introduced. Each method delivered multifunctional probes featuring a low-loss transparent …
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In-fiber Optical Devices Based on D-fiber
… performance of two of these devices: an in-fiber polymer waveguide and a surface relief fiber Bragg grating. In D-fiber the core is very close to the flat side of the ‘D’ shape. This proximity allows access to the fields in the fiber core by removal of the cladding above the core. The D-fiber we …
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High efficiency luminescent solar concentrator with interconnected gallium indium phosphide micro solar cells
… tandem cell coupled with a quantum dot (QD)-polymer LSC was tested. Losses due to reflection off the short-pass filter was observed to outweigh efficiency gained from the GaInP array in the experiment. Loss mechanisms of the module were identified to be QD degradation, inefficient light …
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Polymer Waveguide Amplifiers
Polymer-based optical waveguides are a promising technology for integrating optical links onto standard printed circuit boards as they enable cost-effective manufacturing and assembly as well as offer high bandwidth. The motivation for this work is to address the lack of amplifying components the …
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SYNTHESIS OF POLYMER STRUCTURES FOR INCREASING ENERGY CONVERSION IN SOLAR CELLS
… to expand the incident angles. I proposed a polymer waveguide array, which is able to bend the light from a large incident angle to the normal direction. I adopted photolithography with a blue LED to polymerize the waveguides. This is a high-speed, low-cost process to fabricate large area …