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Proceedings Paper

Bloch long-range surface plasmons on waveguide arrays as multichannel biosensors
Author(s): Maryam Khodami; Zohreh Hirbodvash; Oleksiy Krupin; Pierre Berini
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Paper Abstract

Novel, cost-effective and label-free Bloch surface plasmon biosensors are presented in this work. The biosensor chip consists of Au waveguides on a truncated 1D photonic crystal supporting Bloch long range surface plasmons (LRSPs) to form an optical biosensor. Gratings capable of coupling perpendicularly incident Gaussian beams are employed as the input-output means. The waveguides are covered with a low index fluoropolymer, etched to form the microfluidic channels and wafer bonded to seal and enable side fluidic interfaces. The devices are fabricated using wafer-scale processes and are capable of multichannel multimodal biosensing. Similar sensitivities to LRSPPs in the corresponding fluoropolymer/solution system are expected with Bloch LRSPPs.

Paper Details

Date Published: 21 February 2020
PDF: 7 pages
Proc. SPIE 11257, Plasmonics in Biology and Medicine XVII, 112570E (21 February 2020); doi: 10.1117/12.2545076
Show Author Affiliations
Maryam Khodami, Univ. of Ottawa (Canada)
Zohreh Hirbodvash, Univ. of Ottawa (Canada)
Oleksiy Krupin, Univ. of Ottawa (Canada)
Pierre Berini, Univ. of Ottawa (Canada)


Published in SPIE Proceedings Vol. 11257:
Plasmonics in Biology and Medicine XVII
Tuan Vo-Dinh; Ho-Pui A. Ho; Krishanu Ray, Editor(s)

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