NDLI: 2D beam scanning focal plane array using microfluidic reconfiguration techniques

Content Provider	IEEE Xplore Digital Library
Author	Gheethan, A. Mumcu, G.
Copyright Year	2014
Description	Author affiliation: Dept. of Electr. Eng., Univ. of South Florida, Tampa, FL, USA (Gheethan, A.; Mumcu, G.)
Abstract	Novel microfluidic based focal plane arrays (FPAs) have been recently introduced as a low cost alternative to realize mm-wave beam-scanning arrays. These FPAs consist of a proximity-fed patch antenna within a microfluidic channel filled with a low loss dielectric solution. Elevation plane scanning is obtained by placing the channel at the focal plane of a microwave lens and repositioning the antenna using micropumps. This paper, for the first time, realizes the antenna element of these FPAs from a metalized plate (instead of liquid metal) to improve the implementation reliability. In addition, a circuit model is presented for the all-passive feed network of the arrays to conveniently model their bandwidth and impedance matching performance for various element numbers. Also, the array is combined with a stepper motor to provide beam-scanning in the azimuth plane. Due to the microfluidic reconfiguration enabled all-passive feed network, the beam-scanning is realized without employing any RF switches or phase shifters. As a result, the feed network design is simplified and cost is notably reduced. The proposed design is verified by designing and evaluating a 1×8 microfluidic enabled 30GHz FPA. Specifically, the array exhibits a beam scanning range of ±25° with > 20dB measured realized gain.
Sponsorship	IEEE Antennas & Propag. Soc.
Starting Page	1666
Ending Page	1667
File Size	372978
Page Count	2
File Format	PDF
ISBN	9781479935383
ISSN	15223965
e-ISBN	9781479935406
DOI	10.1109/APS.2014.6905159
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Arrays Feeds Microfluidics Lenses Integrated circuit modeling Bandwidth
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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