A remotely interrogated near-field sensor for sub-λ microwave imaging

Mahkamehossadat Mostafavi; Niccolo Horvath; Matthew Flores; Neel Mistry; Michelle Stephanie Smekal; Rodolfo Diaz

doi:10.1002/mop.30123

A remotely interrogated near-field sensor for sub-λ microwave imaging

Mahkamehossadat Mostafavi, Niccolo Horvath, Matthew Flores, Neel Mistry, Michelle Stephanie Smekal, Rodolfo Diaz

Research output: Contribution to journal › Article › peer-review

Abstract

A wideband surface-scanning near-field sensor in the form of a slot antenna, remotely interrogated by a wireless signal is reported. Perturbation of the antenna near-field by subwavelength objects (λ/10) on the surface is detected in the far-field as a change in the antenna signature, yielding image of the surface structure.

Original language	English (US)
Pages (from-to)	2677-2682
Number of pages	6
Journal	Microwave and Optical Technology Letters
Volume	58
Issue number	11
DOIs	https://doi.org/10.1002/mop.30123
State	Published - Nov 1 2016

Keywords

holography
microwave sub-wavelength imaging
sensor array
slot antennas

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1002/mop.30123

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abstract = "A wideband surface-scanning near-field sensor in the form of a slot antenna, remotely interrogated by a wireless signal is reported. Perturbation of the antenna near-field by subwavelength objects (λ/10) on the surface is detected in the far-field as a change in the antenna signature, yielding image of the surface structure.",

keywords = "holography, microwave sub-wavelength imaging, sensor array, slot antennas",

author = "Mahkamehossadat Mostafavi and Niccolo Horvath and Matthew Flores and Neel Mistry and {Stephanie Smekal}, Michelle and Rodolfo Diaz",

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AU - Mostafavi, Mahkamehossadat

AU - Horvath, Niccolo

AU - Flores, Matthew

AU - Mistry, Neel

AU - Stephanie Smekal, Michelle

AU - Diaz, Rodolfo

PY - 2016/11/1

Y1 - 2016/11/1

N2 - A wideband surface-scanning near-field sensor in the form of a slot antenna, remotely interrogated by a wireless signal is reported. Perturbation of the antenna near-field by subwavelength objects (λ/10) on the surface is detected in the far-field as a change in the antenna signature, yielding image of the surface structure.

AB - A wideband surface-scanning near-field sensor in the form of a slot antenna, remotely interrogated by a wireless signal is reported. Perturbation of the antenna near-field by subwavelength objects (λ/10) on the surface is detected in the far-field as a change in the antenna signature, yielding image of the surface structure.

KW - holography

KW - microwave sub-wavelength imaging

KW - sensor array

KW - slot antennas

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JO - Microwave and Optical Technology Letters

JF - Microwave and Optical Technology Letters

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A remotely interrogated near-field sensor for sub-λ microwave imaging

Abstract

Keywords

ASJC Scopus subject areas

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