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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/44989

Title: Passive UHF RFID Tag for Multispectral Assessmen
Authors: Escobedo, Pablo
Carvajal Rodríguez, Miguel Ángel
Capitán Vallvey, Luis Fermín
Fernández-Salmerón, José
Martínez-Olmos, Antonio
Palma, Alberto J.
Issue Date: 2016
Abstract: This 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.
Publisher: MDPI
Keywords: Screen printing
Printed electronics
Passive RFID tag
Optical sensor
Microcontroller
Spectral fingerprint
URI: http://hdl.handle.net/10481/44989
ISSN: 1424-8220
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Escobedo, P. [et al]. Passive UHF RFID Tag for Multispectral Assessment. Sensors 2016, 16, 1085. [http://hdl.handle.net/10481/44989]
Appears in Collections:DETC - Artículos

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