Plasmonic sensors based on nano-holes: technology and integration

R. Gordon; D. Sinton; A. G. Brolo; K. L. Kavanagh

doi:10.1117/12.777681

30 April 2008 Plasmonic sensors based on nano-holes: technology and integration

R. Gordon, D. Sinton, A. G. Brolo, K. L. Kavanagh

Proceedings Volume 6959, Micro (MEMS) and Nanotechnologies for Space, Defense, and Security II; 695913 (2008) https://doi.org/10.1117/12.777681
Event: SPIE Defense and Security Symposium, 2008, Orlando, Florida, United States

Abstract

Surface plasmon resonance sensors are a popular technology for the optical detection of surface adsorption, for applications ranging from drug-development to pathogen detection. Here, we will discuss the integration of nano-hole arrays to provide high-sensitivity detection, with a lower detection limit, speed and cost. Calculations will be presented that suggest that in-hole detection is more sensitive than detecting binding from the surface around the nano-holes. In-hole detection also has the benefit of increased speed due to rapid diffusive transport, yet it provides the challenge of microfluidic/nanofluidic integration. We will outline our recent efforts to produce nano-hole arrays with through-hole detection.

Citation Download Citation

R. Gordon, D. Sinton, A. G. Brolo, and K. L. Kavanagh "Plasmonic sensors based on nano-holes: technology and integration", Proc. SPIE 6959, Micro (MEMS) and Nanotechnologies for Space, Defense, and Security II, 695913 (30 April 2008); https://doi.org/10.1117/12.777681

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