Refractive Index Sensor Based on a 1D Photonic Crystal in a Microfluidic Channel
AbstractA refractive index sensor has been fabricated in silicon oxynitride by standard UV lithography and dry etching processes. The refractive index sensor consists of a 1D photonic crystal (PhC) embedded in a microfluidic channel addressed by fiber-terminated planar waveguides. Experimental demonstrations performed with several ethanol solutions ranging from a purity of 96.00% (n = 1.36356) to 95.04% (n = 1.36377) yielded a sensitivity (Δλ/Δn) of 836 nm/RIU and a limit of detection (LOD) of 6 x 10-5 RIU, which is, however, still one order of magnitude higher than the theoretical lower limit of the limit of detection 1.3 x 10–6 RIU. View Full-Text
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Nunes, P.S.; Mortensen, N.A.; Kutter, J.P.; Mogensen, K.B. Refractive Index Sensor Based on a 1D Photonic Crystal in a Microfluidic Channel. Sensors 2010, 10, 2348-2358.
Nunes PS, Mortensen NA, Kutter JP, Mogensen KB. Refractive Index Sensor Based on a 1D Photonic Crystal in a Microfluidic Channel. Sensors. 2010; 10(3):2348-2358.Chicago/Turabian Style
Nunes, Pedro S.; Mortensen, Niels Asger; Kutter, Jörg P.; Mogensen, Klaus B. 2010. "Refractive Index Sensor Based on a 1D Photonic Crystal in a Microfluidic Channel." Sensors 10, no. 3: 2348-2358.