An Efficient Method for Calculating the Characteristics of the Integrated Lens Antennas on the Basis of the Geometrical and Physical Optics Approximations

We develop a combined method for calculating the characteristics of the integrated lens antennas for millimeter-wave wireless local radio-communication systems on the basis of the geometrical and physical optics approximations. The method is based on the concepts of geometrical optics for calculatin...

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Bibliographic Details
Published in:Radiophysics and quantum electronics 2015-11, Vol.58 (6), p.443-453
Main Authors: Mozharovskiy, A. V., Artemenko, A. A., Mal’tsev, A. A., Maslennikov, R. O., Sevast’yanov, A. G., Ssorin, V. N.
Format: Article
Language:English
Subjects:
Allowances
Analysis
Antennas
Antennas (Electronics)
Approximation
Astronomy
Astrophysics and Astroparticles
Costs (Law)
Directivity
Electromagnetism
Hadrons
Heavy Ions
Lasers
Lens antennas
Lenses
Mathematical and Computational Physics
Mathematical models
Methods
Nuclear Physics
Observations and Techniques
Optical Devices
Optics
Photonics
Physical optics
Physics
Physics and Astronomy
Quantum Optics
Theoretical
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Summary:We develop a combined method for calculating the characteristics of the integrated lens antennas for millimeter-wave wireless local radio-communication systems on the basis of the geometrical and physical optics approximations. The method is based on the concepts of geometrical optics for calculating the electromagnetic-field distribution on the lens surface (with allowance for multiple internal re-reflections) and physical optics for determining the antenna-radiated fields in the Fraunhofer zone. Using the developed combined method, we study various integrated lens antennas on the basis of the data on the used-lens shape and material and the primary-feed radiation model, which is specified analytically or by computer simulation. Optimal values of the cylindrical-extension length, which ensure the maximum antenna directivity equal to 19.1 and 23.8 dBi for the greater and smaller lenses, respectively, are obtained for the hemispherical quartz-glass lenses having the cylindrical extensions with radii of 7.5 and 12.5 mm. In this case, the scanning-angle range of the considered antennas is greater than ±20° for an admissible 2-dB decrease in the directivity of the deflected beam. The calculation results obtained using the developed method are confirmed by the experimental studies performed for the prototypes of the integrated quartz-glass lens antennas within the framework of this research.
ISSN:0033-8443
1573-9120
DOI:10.1007/s11141-015-9618-x