High Gain Tapered Slot Antenna
A tapered slot antenna or Vivaldi is a natural choice for this application, as it offers wideband performance with a modest footprint. The Vivaldi was originally proposed by Gibson in 1979. The tapered slot was coplanar, but an antipodal extension of this design was given by Gazit in 1988. The RFSPACE TSA600 is a high performance, low cost, wideband antenna optimized for high gain, low VSWR and broadband response. The matching network has been optimized for best VSWR and a clean impulse response. Every TSA600 antenna is individually tuned and tested. The tapered slot antenna (TSA) is one possible candidate to meet such requirements. TSA has already been utilized in UWB radar. In this case, the TSA featuring a relatively high gain of 10-15dB is used. Such requirement translates into the large length of the antenna being several wavelengths at the centre frequency of a given band.
- High Gain Tapered Slot Antenna Receiver
- Tapered Slot Antenna Design
- High Gain Tapered Slot Antenna Booster
- High Gain Tapered Slot Antenna Mounts
Main Article Content
Abstract
This thesis’s focus is on design and implementation of high gain MMW probes to optimize the performance of detection/imaging systems. First, single-element broadside radiation microstrip antennas and novel probes of endfire tapered slot high efficient antennas are presented. Second, a 57-64 GHz, 1 × 16-element beam steering antenna array.
A broadband gradient refractive index (GRIN) metamaterial is used to improve the gain of the tapered slot antenna. The proposed metamaterial is capable of reducing the side lobe level of the antenna. The gradient refractive index (GRIN) metamaterial is constructed by using non-resonant parallel-line unit cells with different refractive index. Due to the non-resonant structure, the proposed unit cell exhibits low loss and large frequency bandwidth. The metamaterial, whose effective refractive index is lower than that of the substrate on which the antenna is printed. Therefore, the proposed metamaterial is act as a regular lens in beam focusing. The GRIN metamaterial is integrated in front of the antenna which has the capability to manipulate electromagnetic wave accurately. The measurement results indicate that the reflection coefficient of the antenna is below -10 dB over the frequency band from 3 to 11 GHz. The radiation pattern of the antenna shows the beam width becomes narrow and directive with low side lobe level. The peak gain is increased by 2.1 dB at 9.5 GHz.
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References
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Source
2011 IEEE International Symposium on Antennas and Propagation (APSURSI)>626 - 629
High Gain Tapered Slot Antenna Receiver
Abstract
Identifiers
| book ISSN : | 1522-3965 |
| book e-ISSN : | 1947-1491 |
| book ISBN : | 978-1-4244-9562-7 |
| book e-ISBN : | 978-1-4244-9563-4 , 978-1-4244-9561-0 |
| DOI | 10.1109/APS.2011.5996789 |
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Chiou, Yi-Chyun
- Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, USA
Alhalabi, Ramadan A.
- Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, USA
Rebeiz, Gabriel M.
Tapered Slot Antenna Design
- Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, USA
Keywords
Antenna measurementsAntenna radiation patternsGainMetalsMicrostripSlot antennaswidebandendfire antennaFermi-dirac distributionmicrostrip-to-slotline transitionmillimeter-wave communicationstapered-slot antenna
High Gain Tapered Slot Antenna Booster
Antenna measurementsAntenna radiation patternsGainMetalsMicrostripSlot antennaswidebandendfire antennaFermi-dirac distributionmicrostrip-to-slotline transitionmillimeter-wave communicationstapered-slot antenna