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Dual mode dual layer planar mirror
- Authors: Bankov S.E.1
-
Affiliations:
- Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
- Issue: Vol 69, No 9 (2024)
- Pages: 833-841
- Section: ЭЛЕКТРОДИНАМИКА И РАСПРОСТРАНЕНИЕ РАДИОВОЛН
- URL: https://edgccjournal.org/0033-8494/article/view/683523
- DOI: https://doi.org/10.31857/S0033849424090016
- EDN: https://elibrary.ru/HSQRWL
- ID: 683523
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Abstract
Planar dual layer and dual mode mirror is considered. The mirror provides simultaneously reflection and transition from one layer to another for two orthogonal modes. The mirror is investigated by electromagnetic simulation in HFSS system. The investigated variants of mirrors provide dual mode matching at –(20…34) dB level in frequency range 2.5:1 and in the range of angles of incidence ± 60°. Application of dual mode mirrors for dual polarized narrow beam planar antennas design is discussed.
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About the authors
S. E. Bankov
Kotel’nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences
Author for correspondence.
Email: sbankov@yandex.ru
Russian Federation, Mokhovaya Str., 11, Build. 7, Moscow, 125009
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Supplementary files
Supplementary Files
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1.
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2.
Fig. 1. Construction and operation principle of the mirror pillbox.
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3.
Fig. 2. Two-mode SP (a) and slit configuration of the radiating array (b).
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Fig. 3. Two-mode bilayer planar mirror.
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Fig. 4. Topology of the common screen of the upper SPs.
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Fig. 5. Model of the first (a) and second (b) ODPS for electrodynamic modelling.
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Fig. 6. Frequency dependence of the reflection coefficient of the first ODPZ at h1 = 0.5 and angles of incidence θ = 0 (1), 10 (2), 20 (3), 30 (4), 40 (5), 50 (6), 60 deg (7).
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Fig. 7. Dependence of the phase of the transmission coefficient of the first ODPS on the angle of incidence at Lr1 = 3 (1), 2 (2), 1 (3), 0 (4), and -1 (5).
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Fig. 8. Frequency dependence of the reflection coefficient of the first ODPZ at h1 = 1, s1 = 1.2 and angles of incidence θ = 0 (1), 10 (2), 20 (3), 30 (4), 40 (5) and 50 deg (6).
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10.
Fig. 9. Frequency dependence of the reflection coefficient of the second ODPZ at h1 = 0.5 and angles of incidence θ = 0 (1), 10 (2), 20 (3), 30 (4), 40 (5), and 50 deg (6).
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Fig. 10. Dependence of the phase of the transmission coefficient of the second ODPS on the angle of incidence at Lr2 = 3 (1), 2 (2), 1 (3), 0 (4), and -0.5 (5).
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Fig. 11. Dependence of the phase of the transmission coefficient of the first (1) and the second (2) DLDD on the angle of incidence at Lr = 0.36.
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Fig. 12. Frequency dependence of the reflection coefficient of the second ODPZ at h1 = 1 and angles of incidence θ = 0 (1), 10 (2), 20 (3), 30 (4), 40 (5) and 50 (6) and 60 deg (7).
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Fig. 13. Transition model.
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Fig. 14. Partial dependence of the reflection coefficient of the DPV on the PL wave.
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Fig. 15. Frequency dependence of the transmission coefficients S11, 2 (1) and S11, 3 (2).
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Fig. 16. Frequency dependence of the parameters dφ1 (1) and dφ2 (2).
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Fig. 17. Structural diagram of the exciter: 1 ... 4 - numbers of inputs, NO - directional tap, PSD - phase shifter.
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