Rectenna Models for Electromagnetic Energy Harvesting Applications
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This book presents several designs of rectenna systems in different frequency range applications. Cylindrical dielectric resonator (CDRA) antenna is used to exhibit left-hand and right-hand circular polarizations. The antenna is used to feed the reflectarray to increase its gain in a certain direction. Rectifying circuit components are designed. Different designs of graphene based geometrical diodes coupled with nanoantennas for infrared (IR) energy harvesting are investigated. The I-V characteristics of the graphene based geometrical diodes are calculated by the Monte Carlo simulation. Rhombu...
This book presents several designs of rectenna systems in different frequency range applications. Cylindrical dielectric resonator (CDRA) antenna is used to exhibit left-hand and right-hand circular polarizations. The antenna is used to feed the reflectarray to increase its gain in a certain direction. Rectifying circuit components are designed. Different designs of graphene based geometrical diodes coupled with nanoantennas for infrared (IR) energy harvesting are investigated. The I-V characteristics of the graphene based geometrical diodes are calculated by the Monte Carlo simulation. Rhombus shaped dipole nanoantenna coupled to geometric diode for energy harvesting at 19.4 THz is used with an arc-shaped geometric diode which is placed in the gap between the dipole arms to produce output voltage 16.5 µV. Two approaches for enhancing the received voltage of nanoantenna energy harvesting are investigated. A transparent trasmitarray is used to focus the electromagnetic waves on the surface of the nanoantenna coupled to the geometric diode. and Yagi-nanoantenna arrangement is used to enhance the directivity of the single element that coupled to the array.
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