Enhanced polymer waveguide platforms for absorption-based optical chemical sensors

Conor S. Burke; Lubos Polerecky; Brian D. MacCraith

doi:10.1117/12.464208

27 August 2003 Enhanced polymer waveguide platforms for absorption-based optical chemical sensors

Conor S. Burke, Lubos Polerecky, Brian D. MacCraith

Proceedings Volume 4876, Opto-Ireland 2002: Optics and Photonics Technologies and Applications; (2003) https://doi.org/10.1117/12.464208
Event: OPTO Ireland, 2002, Galway, Ireland

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.

Citation Download Citation

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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