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27 August 2003 Enhanced polymer waveguide platforms for absorption-based optical chemical sensors
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Abstract
The development of polymer waveguide chips as platforms for optimized absorption-based optical chemical sensors is reported here. The chips were designed in accordance with theoretical predictions published elsewhere relating to the optimization of the sensitivity of optical absorption-based sensors. The waveguides were fabricated by micro-injection moulding and coated with a colourimetric, sol-gel-derived sensing layer. They were then incorporated into a compact, LED-based sensing device for the detection of gaseous NH3. Results presented here demonstrate comparable sensitivity to more complex systems reported to date.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Conor S. Burke, Lubos Polerecky, and Brian D. MacCraith "Enhanced polymer waveguide platforms for absorption-based optical chemical sensors", Proc. SPIE 4876, Opto-Ireland 2002: Optics and Photonics Technologies and Applications, (27 August 2003); https://doi.org/10.1117/12.464208
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