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Authors: A. Dhakal, P.C. Wuytens, F. Peyskens, A. Subramanian, A. Skirtach, N. Le Thomas, R. Baets
Title: Nanophotonic Lab-On-A-Chip Raman Sensors: a Sensitivity Comparison with Confocal Raman Microscope
Format: International Conference Proceedings
Publication date: 10/2015
Journal/Conference/Book: BioPhotonics 2015
Editor/Publisher: IEEE Photonics Society, 
Volume(Issue): p.Th6.3
Location: Florence, Italy
DOI: 10.1109/biophotonics.2015.7304021
Citations: 7 ( - last update: 14/7/2024)
5 (OpenCitations - last update: 27/6/2024)
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we compare the performance of the nano-photonic waveguide based evanescent Raman sensors and a typical the confocal microscope. For 1 cm long strip silicon nitride waveguides, we theoretically expect more than 500 times higher signal compared to the confocal microscopic systems. The results of our preliminary measurements indicate at least 50 times higher signal. For slotted waveguides, the preliminary measurement result yields about 300 times higher signal compared to confocal microscope while the theoretical figure is more than 2000.

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