What is it about?
In this paper, a micromachined Fabry-Perot interferometer (µFPI), featuring two parallel and flat gold-coated mirrors, one of which has sub-wavelength nano-hole arrays, was designed, fabricated, and tested experimentally.
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Why is it important?
Its transmission spectrum was confirmed to have EOT-modulated SPR patterns, and its characteristic peak wavelength was found to have a refractive index sensitivity of 593 nm / RIU and a Q factor up to 128.4, which is 10.2 times its EOT counterparts.
Perspectives
This novel µFPI presents a new paradigm in EOT-based SPR sensing technology by combining the benefits of µFPI interference, EOT near-field measurement and DEP enrichment of molecules.
Professor Wenhui Wang
Tsinghua University
Read the Original
This page is a summary of: A novel micromachined Fabry-Perot interferometer integrating nano-holes and dielectrophoresis for enhanced biochemical sensing, Biosensors and Bioelectronics, February 2019, Elsevier,
DOI: 10.1016/j.bios.2018.12.013.
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