NDLI: Frequency selective surface for radio frequency energy harvesting applications

Content Provider	IET Digital Library
Author	Keyrouz, Shady Perotto, Gianluca Visser, Hubregt J.
Abstract	A novel application for frequency selective surfaces (FSSs) is presented. The novel FSS design can harvest power from arbitrarily polarised incident waves. The design does not involve a matching network, which results in a simple, polarisation-independent power harvester. An accurate analytical procedure, to calculate the impedance of the commercially available Schottky rectifiers, is presented. The results are validated by full-wave simulations and by measurements. A simple equivalent circuit model to predict the transmission and reflection characteristics of the gridded-square-loop FSS is employed. The design method is validated for different polarisations and for different incident angles. The addition of lumped elements (R, L, C) in the metallic conductive grid of the FSS is investigated. The waveguide simulator method and full-wave simulations are employed to validate the derived analytical equations. A 3 × 3 and a 5 × 5 RF harvesting FSS have been designed, simulated, fabricated and validated. A radio frequency (RF) to DC conversion efficiency of 25% for the 3 × 3 RF harvester and 15.9% for the 5 × 5 RF harvester is measured at an RF input power level of −6 dBm.
Starting Page	523
Ending Page	531
Page Count	9
ISSN	17518725
Volume Number	8
e-ISSN	17518733
Issue Number	Issue 7, May (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/8/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2013.0130
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2014-01-22
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Array DC Conversion Efficiency Electric Impedance Electromagnetic Wave Polarisation Electromagnetic Wave Propagation Electromagnetic Wave Reflection Energy Harvesting Equivalent Circuit Equivalent Circuit Model Frequency Selective Surface Full-wave Simulation Gridded-square-loop FSS Design Impedance Calculation Lumped Element Metallic Conductive Grid Polarisation-independent Power Harvester Polarised Incident Wave Power Electronics Power Supply Radio Frequency Energy Harvesting Application Rectennas Rectifier Reflection Characteristic RF Harvesting Schottky Rectifier Supervisory Circuit Transmission Characteristic Waveguide Simulator Method
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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