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5 March 2021 Plasmon resonance energy-transfer-based fiber-optic platform for ultrasensitive sensing
Alba Calatayud-Sanchez, Raquel Catalan-Carrio, Ángel Ortega, Javier Barroso Lázaro, Joseba Zubia, Fernando Benito Lopez, Joel Villatoro, Lourdes Basabe
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Proceedings Volume 11690, Smart Photonic and Optoelectronic Integrated Circuits XXIII; 116900G (2021) https://doi.org/10.1117/12.2582769
Event: SPIE OPTO, 2021, Online Only
Abstract
We report an ultrasensitive and selective plasmonic sensor for the detection of biomolecules, metal ions and small molecules. The sensor is comprised of low-power light-emitting diode, a multimode optical fiber coupler, a miniature spectrometer and multimode optical fibers with their facet coated with gold nanoparticles. It monitors the nanospectroscopic absorption changes of the plasmon resonance spectrum of the gold nanoparticles. The integration of these sensors for real time, on-line and multiplexing monitoring into microfluidics platforms is straightforward, and may be applied to many different fields, from environmental monitoring to cell biology studies.
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Alba Calatayud-Sanchez, Raquel Catalan-Carrio, Ángel Ortega, Javier Barroso Lázaro, Joseba Zubia, Fernando Benito Lopez, Joel Villatoro, and Lourdes Basabe "Plasmon resonance energy-transfer-based fiber-optic platform for ultrasensitive sensing", Proc. SPIE 11690, Smart Photonic and Optoelectronic Integrated Circuits XXIII, 116900G (5 March 2021); https://doi.org/10.1117/12.2582769
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KEYWORDS
Plasmons
Fiber optics
Nanoparticles
Sensors
Gold
Optical fibers
Microfluidics
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