Fabrication of Long Range Surface Plasmon Polariton Bragg Waveguide Biosensors on Cytop and Multilayer Substrates

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Creator: 

Northfield, Howard John

Date: 

2015

Abstract: 

This thesis documents the micro-fabrication of a Long Range Surface Plasmon Polariton (LRSPP) biosensor device design that incorporates Bragg grating waveguides. The majority of the work involved the fine tuning of the bi-layer lithography, ultra-violet (UV) exposure and metal deposition micro-fabrication procedures. The goal was to resolve very fine features, accurately produce thin metallization and achieve a high quality metal surface. Repeatable resolution of Bragg gratings having a step-in-width from 8µm to 2µm, a 50% duty cycle and a period of 1690nm to 1800nm, was achieved with bi-layer lithography and UV exposure. A gold thickness of 35nm±5% and surface roughness of better than 2nm rms and average was achieved using thermal vacuum chamber deposition. The fabrication was performed on two different substrates; Cytop and a prefabricated Ta2O5/SiO2 multilayer stack.

Subject: 

Engineering - Electronics and Electrical

Language: 

English

Publisher: 

Carleton University

Thesis Degree Name: 

Master of Applied Science: 
M.App.Sc.

Thesis Degree Level: 

Master's

Thesis Degree Discipline: 

Engineering, Electrical and Computer

Parent Collection: 

Theses and Dissertations

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