Passive UHF RFID Tag for Multispectral Assessment
AbstractThis work presents the design, fabrication, and characterization of a passive printed radiofrequency identification tag in the ultra-high-frequency band with multiple optical sensing capabilities. This tag includes five photodiodes to cover a wide spectral range from near-infrared to visible and ultraviolet spectral regions. The tag antenna and circuit connections have been screen-printed on a flexible polymeric substrate. An ultra-low-power microcontroller-based switch has been included to measure the five magnitudes issuing from the optical sensors, providing a spectral fingerprint of the incident electromagnetic radiation from ultraviolet to infrared, without requiring energy from a battery. The normalization procedure has been designed applying illuminants, and the entire system was tested by measuring cards from a colour chart and sensing fruit ripening. View Full-Text
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Escobedo, P.; Carvajal, M.A.; Capitán-Vallvey, L.F.; Fernández-Salmerón, J.; Martínez-Olmos, A.; Palma, A.J. Passive UHF RFID Tag for Multispectral Assessment. Sensors 2016, 16, 1085.
Escobedo P, Carvajal MA, Capitán-Vallvey LF, Fernández-Salmerón J, Martínez-Olmos A, Palma AJ. Passive UHF RFID Tag for Multispectral Assessment. Sensors. 2016; 16(7):1085.Chicago/Turabian Style
Escobedo, Pablo; Carvajal, Miguel A.; Capitán-Vallvey, Luis F.; Fernández-Salmerón, José; Martínez-Olmos, Antonio; Palma, Alberto J. 2016. "Passive UHF RFID Tag for Multispectral Assessment." Sensors 16, no. 7: 1085.
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