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Ray-Tracing Model for the Design and Efficiency Calculation of a Monolithic Geodesic Lens Array Antenna
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- Castillo Tapia, Pilar (author)
- KTH,Elektromagnetism och fusionsfysik
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- Rico-Fernandez, J. (author)
- Northern Waves AB, Stockholm, Sweden
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- Mesa, F. (author)
- Department of Applied Physics 1, ETS Ingeniería Informática, Universidad de Sevilla, Seville, Spain
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- (creator_code:org_t)
- Institute of Electrical and Electronics Engineers (IEEE), 2024
- 2024
- English.
- In: 18th European Conference on Antennas and Propagation, EuCAP 2024. - : Institute of Electrical and Electronics Engineers (IEEE).
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- We propose the use of a generalized ray-tracing model to design geodesic lens array antennas. This model is capable of computing the radiation patterns and taking into account losses due to finite conductivity and surface roughness, which are essential when producing prototypes as single monolithic pieces. The ray-tracing model is used to design a modified Rinehart-Luneburg lens that shows very good agreement with simulations while significantly decreasing computation time. The profile of the lens is designed in such a way that it can be vertically stacked in an array and produced as a single piece. The lens array antenna is manufactured as a single monolithic piece using the laser powder-bed fusion technique. The tests of this prototype validate the use of additive manufacturing for geodesic lens antennas operating in V-band.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Keyword
- Additive manufacturing
- array antenna
- geodesic lenses
- losses
- LPBF
- ray-tracing
Publication and Content Type
- ref (subject category)
- kon (subject category)
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