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Micromachined-silicon W-band planar-lens antenna with metamaterial free-space matching
KTH, School of Electrical Engineering (EES), Microsystem Technology.
KTH, School of Electrical Engineering (EES), Microsystem Technology.
KTH, School of Electrical Engineering (EES), Microsystem Technology.
2012 (English)In: Microwave Symposium Digest (MTT), 2012 IEEE MTT-S International, IEEE , 2012, 6259654- p.Conference paper, Published paper (Refereed)
Abstract [en]

In this work, we present for the first time a miniaturized planar W-band dielectric-lens antenna which is micromachined in a 300 μm silicon wafer. The antenna edge comprises a metamaterial anti-reflection geometry in order to reduce parasitic reflections at the free-space to high-permittivity dielectric interface. Furthermore, the dielectric lens is matched to a standard WR-10 metal waveguide by an optimized tapered dielectric-wedge transition. Prototype lens-antennas were fabricated in a single-mask micromachining process. The radiation pattern for the design frequency of 100 GHz was measured to 13° half-power beam-width in E-plane, a directivity of 14 dB, 15 dB side-lobe level, 15 dB reflected power for almost the whole W-band, for a lens diameter of 10 mm and an operating frequency of 100 GHz.

Place, publisher, year, edition, pages
IEEE , 2012. 6259654- p.
Series
IEEE MTT-S International Microwave Symposium Digest, ISSN 0149-645X
Keyword [en]
Dielectric antenna, Fan-beam, MEMS, Metamaterial, Micromachining, Planar lens, Silicon lens, 100 GHz, Anti-reflection, Beam widths, Design frequencies, Dielectric interface, Dielectric lens, Directivity, E planes, Fan beams, Metal waveguides, Micromachined, Micromachining process, Operating frequency, Parasitic reflections, Reflected power, Side lobes, Single-mask, Metamaterial antennas, Metamaterials, Microwave antennas, Silicon wafers, Lens antennas
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-105296DOI: 10.1109/MWSYM.2012.6259654Scopus ID: 2-s2.0-84866775759ISBN: 978-146731087-1 (print)OAI: oai:DiVA.org:kth-105296DiVA: diva2:570999
Conference
2012 IEEE MTT-S International Microwave Symposium, IMS 2012, 17 June 2012 through 22 June 2012, Montreal, QC
Note

QC 20121121

Available from: 2012-11-21 Created: 2012-11-20 Last updated: 2012-11-21Bibliographically approved

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