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2021-3-24 · Dielectric rod antennas provide significant performance advantages. Moreover, dielectric rod antennas are a low cost alternative to free space high gain antennas at millimeter-wave frequencies and the higher end of the microwave band. The fundamental working principle of this antenna type is explained and guidelines are given for a maximum gain ...
Get PriceNiver E. (2006) Tapered Dielectric Rod Antenna. In: Göknar İ.C., Sevgi L. (eds) Complex Computing-Networks. Springer Proceedings in Physics, vol 104. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-30636-6_12. DOI https://doi.org/10.1007/3-540-30636-6_12; Publisher Name Springer, Berlin, Heidelberg; Print ISBN 978-3-540-30635-1
Get Price2017-3-21 · Tapered dielectric rod antenna is chosen to achieve high radiation efficiency. The antenna is designed on two common substrates with high permittivity: alumina (Al 2 O 3) and high resistive Silicon. Both substrates are very low loss and many ... provide high efficiency and low cost circuits in this range of frequency. However, due to the free
Get Price2002-3-27 · the rod and causes the phase velocity to be a func-144 tion of both the internal and external materials. At 145 the other end of the rod, radiation was introduced by 146 gradually tapering the rod dimension to a point. This 147 approach works well for a rod made of low dielectric 148 material. In order to further reduce the rod size, 149
Get Price2014-8-9 · 2.1 Radiation Mechanisms of the Dielectric Rod Antenna The dielectric rod antenna belongs to the family of surface wave antennas. The propagation mechanisms of surface waves along a dielectric and/or magnetic rod are explained in Appendices A and B. The hybrid HE 11 mode (Fig. B.2) is the dominant surface wave mode and is used most often with ...
Get Price2019-3-1 · A double-layer, dielectric rod probe antenna design was developed as a near-field probe with a bandwidth of about 4:1. Using a two-layer dielectric rod avoids the excitation of higher order modes. Proper selection of radii and dielectric constants of each layer in conjunction with a properly tapered radiation tip ensure wider bandwidth .
Get Price2009-11-12 · along the image NRD guide area. The dielectric rod is extruded from the end of the guide into the free space to form a rod antenna. The antenna has the length of d, and is tapered linearly in only the yz-plane. A transition from the image NRD guide to the rod antenna is formed with linearly tapered parallel plates and image plane.
Get Price2017-9-22 · Abstract: A semi-analytical and efficient computational method is presented for the analysis of uniaxial-anisotropic tapered dielectric rod antennas (DRAs). This technique benefits of the local mode theory to predict the transverse distribution of polarization currents in the tapered dielectric rod. The method results in a formula for the radiation ...
Get Price2020-4-27 · In this study, a broadband and high gain dielectric-rod end-fire antenna are proposed for applications on both the K and Ka bands. By employing the double-ridged waveguide (DRW) feeding structure which is composed of a coaxial line to tapered DRW transition, a parabolic tapered DRW, and a parabolic-tapered flared parallel waveguide section, the impedance bandwidth of this proposed antenna …
Get PriceDielectric rod antennas have been investigated and developed for many years. There are generally two kinds of shapes for the dielectric rod antennas. One is the rectangular rod, and the other one is the cylindrical rod. Rectangular antennas for the frequency ranges of 81.5 GHz, 30 GHz, and 150 GHz have been presented, respectively, in [1–3].
Get Price2019-9-10 · Meanwhile, the fabrication cost and complexity can be drastically reduced, since only a single type of dielectric material is needed. Furthermore, both rod antennas were fabricated and measured. The proposed rod antennas have peak gains of 13.32 to 13.45 dBi, 1-dB gain bandwidth of 25.2% to 26% and average gains of 12 to 12.5 dBi.
Get Price2020-7-10 · The design of a rectangular dielectric resonator antenna (RDRA) for 5G millimeter-wave (mm-wave) applications is presented. The design consists of a rectangular dielectric resonator placed at the top of a rectangular dielectric rod waveguide (RDRW) to eliminate loss from metallic parts used to feed the DRA. The antenna is fed by a metallic waveguide (WR-34) that operates in the range of 22 to ...
Get Price2017-3-21 · Tapered dielectric rod antenna is chosen to achieve high radiation efficiency. The antenna is designed on two common substrates with high permittivity: alumina (Al 2 O 3) and high resistive Silicon. Both substrates are very low loss and many ... provide high efficiency and low cost circuits in this range of frequency. However, due to the free
Get Price2002-3-27 · 2. Tapered-permittivity dielectric rod antenna 170 171 The ultra-wide bandwidth dielectric rod antenna 172 developed by Chen et al. accepted for publicationŽ.173 utilizes a circular dielectric cylinder made of homo-174 geneous material to guide the electromagnetic energy
Get Price2020-4-29 · Tapered Dielectric Nanorod Antenna at Optical Wavelengths Junji Yamauchi, Satoru Honda, and Hisamatsu Nakano Faculty of Science and Engineering, Hosei University, 3-7-2 Kajino-cho Koganei, Tokyo, 184-8584 Japan Abstract A directive radiation element, tapered dielectric nanorod antenna, fed by a metal-insulator-metal waveguide is
Get Price2014-8-9 · 2.1 Radiation Mechanisms of the Dielectric Rod Antenna The dielectric rod antenna belongs to the family of surface wave antennas. The propagation mechanisms of surface waves along a dielectric and/or magnetic rod are explained in Appendices A and B. The hybrid HE 11 mode (Fig. B.2) is the dominant surface wave mode and is used most often with ...
Get Priceadshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A
Get Price2008-11-24 · The paper discusses the design of dielectric rod antenna at D band which can be used as a feed for dielectric lens antennas. This feed replaces the metallic corrugated dual mode horns which are difficult to fabricate at these frequencies. Tapering of dielectric rod has been done to achieve low side lobe level. The designed antenna has been simulated on 3D EM software HFSS (high frequency ...
Get Price2018-7-2 · A dielectric rod antenna is small in diameter but long in wavelengths. The dielectric rod is often tapered to a point, which makes it an end-fire element with gain. You may be right, it depends on where you draw the line, metallic conduction, guided or a spherical wave. tech99 said:
Get Price2016-12-2 · Ghassemi, N., Wu, K.: Planar high-gain dielectric-loaded antipodal linearly tapered slot antenna for E- and H–band gigabyte point-to-point wireless services. IEEE Trans. Antennas Propag. 61(4), 1748–1755 (2013) CrossRef Google Scholar
Get Price2020-7-10 · The design of a rectangular dielectric resonator antenna (RDRA) for 5G millimeter-wave (mm-wave) applications is presented. The design consists of a rectangular dielectric resonator placed at the top of a rectangular dielectric rod waveguide (RDRW) to eliminate loss from metallic parts used to feed the DRA. The antenna is fed by a metallic waveguide (WR-34) that operates in the range of 22 to ...
Get Price2019-9-10 · Meanwhile, the fabrication cost and complexity can be drastically reduced, since only a single type of dielectric material is needed. Furthermore, both rod antennas were fabricated and measured. The proposed rod antennas have peak gains of 13.32 to 13.45 dBi, 1‐dB gain bandwidth of 25.2% to 26% and average gains of 12 to 12.5 dBi.
Get Price2001-7-1 · A new broadband dielectric rod antenna with a tapered-permittivity radiation head was presented. The original constant-permittivity taper design works well for low-permittivity rod. However, it faces a potential dispersion problem for high-permittivity rod due to the requirement of a long taper length.
Get PriceExperimental results are presented for several types of tapered dielectric rod antennas of rectangular cross section investigated at 81.5 GHz. The antennas are based on Zucker's (1961) design principles for low sidelobes and maximum gain adapted to rods of rectangular cross section. The gain and beamwidth plots for the antennas tested are shown.
Get Price2018-1-14 · DIELECTRIC LOADED EXPONENTIALLY TAPERED SLOT ANTENNA UTILIZING SUBSTRATE INTEGRA-TED WAVEGUIDE TECHNOLOGY FOR MILLIMETER WAVE APPLICATIONS Subramaniam Ramesh* and Thipparaju R. Rao RADMIC, Department of Telecommunication Engineering, SRM University, Kattankulathur, Tamilnadu, India Abstract|A novel compact dielectric loaded Exponentially Tapered
Get Pricedielectric rod antenna is described and validated through mea-surements. The manufactured 60-GHz dielectric rod antenna has the predicted gain of around 15 dBi and supports dual circular polarization. The lateral dimension of the rod antenna is very small in comparison to its …
Get Price2014-7-25 · Abstract: This letter presents a millimeter-wave (mmW) high-efficiency tapered dielectric antenna, which is designed and fabricated on a new integrated technology platform called silicon-on-glass (SOG). The antenna is fabricated using photolithography and dry etching of the Si layer of the SOG wafer. The proposed antenna advantages include high efficiency, low-cost fabrication with high ...
Get Price2013-2-24 · Abstract—A novel design of dielectric rod antenna is presented here. Compared to the conventionally used tapered dielectric antennas, this configuration is capable of producing higher gain for a given length of the antenna. The design of an antenna using the new configuration having a gain of 16.7 dBi at 5.6 GHz is discussed.
Get PriceThe geometry of tapered dielectric-loaded helical antenna array, 15. K.L. Wong, Y.W. Chi, C.M. Su, and F.S. Chang, Band-notched which operates in the axial mode for the frequency range from ultra-wideband circular-disk monopole antenna with an arc-shaped 1525 to 1660.5 MHz, is shown in Figure 1.
Get Price2016-12-2 · Ghassemi, N., Wu, K.: Planar high-gain dielectric-loaded antipodal linearly tapered slot antenna for E- and H–band gigabyte point-to-point wireless services. IEEE Trans. Antennas Propag. 61(4), 1748–1755 (2013) CrossRef Google Scholar
Get Price2013-6-8 · Radiation from Tapered Nylon rod antenna The radiation from a dielectric rod antenna mainly depends on the dielectric material used to fabricate the antenna, physical shape of the antenna, and the method of excitation of the antenna. The dielectric rod antenna is excited in the hybrid HE 11 mode. The advantage of asymmetric HE
Get Price2020-4-29 · Tapered Dielectric Nanorod Antenna at Optical Wavelengths Junji Yamauchi, Satoru Honda, and Hisamatsu Nakano Faculty of Science and Engineering, Hosei University, 3-7-2 Kajino-cho Koganei, Tokyo, 184-8584 Japan Abstract A directive radiation element, tapered dielectric nanorod antenna, fed by a metal-insulator-metal waveguide is
Get Price2020-4-29 · antipodal linear tapered slot antenna (ALTSA) with dielectric loading at 60 GHz for inter-satellite communication applications is presented. The antenna gain is 18.18 dB at the frequency of interest with good efficiency of 95.1%. The antenna is designed using Rogers RT/Duroid 6002 material with dielectric constant 2.94 and thickness 0.254 mm.
Get Price2018-3-11 · Fig. 5. Photograph of the fabricated tapered dielectric rod inside the conical horn launcher. into the HEx/y 11 mode. By a slight tapering of the dielectric rod, the field can in turn smoothly decouple from the rod and radiate into air. Fig. 5 shows a photograph of the fabricated dielectric rod. Tapped holes on the backside of the conical
Get Price2009-2-1 · The tapered slot and its ground plane are etched on the bottom layer of a dielectric substrate with thickness of 1.5 mm and dielectric constant ɛ r = 2.65, while the microstrip line with width W stub = 4.14 mm and its fan-shaped open stub with a radius of R stub = 8 mm and an angle of θ = 100 ° are printed on the top layer.
Get Price2016-12-2 · Ghassemi, N., Wu, K.: Planar high-gain dielectric-loaded antipodal linearly tapered slot antenna for E- and H–band gigabyte point-to-point wireless services. IEEE Trans. Antennas Propag. 61(4), 1748–1755 (2013) CrossRef Google Scholar
Get Price1999-1-1 · A Novel Tapered Slot PCS Antenna Array and Model. An antenna array comprising multiple tapered slot radiators and its microstrip feed network has the capability to be etched on a single piece of thin dielectric circuit board, resulting in the relatively inexpensive mass production of a …
Get Price2018-7-2 · A dielectric rod antenna is small in diameter but long in wavelengths. The dielectric rod is often tapered to a point, which makes it an end-fire element with gain. You may be right, it depends on where you draw the line, metallic conduction, guided or a spherical wave. tech99 said:
Get Price2015-5-1 · The dielectric loaded ETS antenna and compact SIW feed were fabricated on a single substrate, resulting in low cost and easy fabrication. The antenna with elliptical shaped dielectric loaded was fabricated using printed circuit board process.
Get PriceIn this paper, a two-element step-tapered rod antenna array for millimeter waves is designed and analyzed. It is easier to fabricate than pyramidal-prismatic tapers antenna, and has potential applications in millimeter waves and terahertz dielectric integrated circuits.
Get Price2013-6-8 · The portion of the dielectric rod radiating into space is given a small taper to obtain matching between the dielectric rod and surrounding space. In the present work, Nylon tapered dielectric rod antennas are fabricated for a length of 6λ0 with different taper angles. The dielectric rod antenna is designed to work at a frequency of 10 GHz.
Get Price2018-7-2 · A dielectric rod antenna is small in diameter but long in wavelengths. The dielectric rod is often tapered to a point, which makes it an end-fire element with gain. You may be right, it depends on where you draw the line, metallic conduction, guided or a spherical wave. tech99 said:
Get Price2013-2-24 · Abstract—A novel design of dielectric rod antenna is presented here. Compared to the conventionally used tapered dielectric antennas, this configuration is capable of producing higher gain for a given length of the antenna. The design of an antenna using the new configuration having a gain of 16.7 dBi at 5.6 GHz is discussed.
Get Price2018-4-24 · Dielectric rod antennas are promising candidates to be used in millimeter wave band wireless communications. The optimization of a patch-fed dielectric rod antenna design at millimeter wave band is presented in this work. This design is composed of simple dielectric rod antenna made of low cost Teflon with relative permittivity of 2.1 that is fed by a rectangular patch antenna. Compared to the ...
Get PriceThe dielectric rod antenna 30 having the aforementioned structure has a function and an effect which are similar to those of the dielectric rod antenna 1 according to the first embodiment, due to the ring-shaped conductive film 33 provided on a side surface of the dielectric rod 32 so as to intersect the waveguide 10 to form a substantially V ...
Get Price2013-1-12 · A novel method for tapered rectangular dielectric rod antenna design is presented. This method can be used to design from millimetre to terahertz antennas. The work modes of antenna have been analyzed. The input modes are fundamental mode and second mode, and the end-fire mode is only fundamental mode. The calculation formulas for bottom ...
Get PriceA novel design of dielectric rod antenna is presented here. Compared to the conventionally used tapered dielectric antennas, this configuration is capable of producing higher gain for a given length of the antenna. The design of an antenna using the new configuration having a gain of 16.7 dBi at 5.6 GHz is discussed. The length of this antenna is 2.3 , which is considerably less compared to ...
Get PriceThe antenna consists of three parts. As feed, a tapered slot on a PCB is used. Additional corrugations at the lateral metallic borders of the tapered structure lead to reduced side lobe levels and a flat gain in the main direction. The PCB is inserted into a cylindrical dielectric rod to increase the directivity.
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