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REVIEW 4 major objections 6 minor 45 references

X-RIS: A Study of the Principles and Applications of X-Shaped RIS

T0 review · 4 major / 6 minor · reviewed 2026-08-11 · deepseek-v4-flash

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Pith's one-line read This paper claims that a single X-shaped patch element with four PIN diodes can switch among ten resonance and polarization-conversion modes, and that this mode set underlies two new reconfigurable-array families.

desk verdict A useful mode-taxonomy review of X-shaped RIS whose speculative new-design claims need either simulation support or explicit 'untested concept' framing before publication. read the letter →

arxiv 2412.05318 v1 pith:YFZAJMAP submitted 2024-12-03 cs.CE

Xiaocun Zong , Binchao Zhang , Fan Yang , Shenheng Xu , Member , Maokun Li This is my paper · ORCID
classification cs.CE
keywords reconfigurableintelligentsurfaceX-shapedRISpolarizationconversionresonantmodesreflectarraytransmitarrayPINdiodeultra-wideband
verification ladder T0 review T1 audit T2 compute T3 formal

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The reading

This paper establishes a working principle for the X-shaped reconfigurable intelligent surface (X-RIS), a patch element made of two crossed metal strips and four PIN diodes. It claims that the 32 switch configurations of this element collapse into 10 resonance or polarization-conversion modes, depending on whether the incident electric field is aligned with an edge or a diagonal of the element. The paper organizes existing reflectarray and transmit-array designs according to these modes and then proposes two new families of designs, a 'bit reconfigurable' element and a single-element dual-band 1-bit element, as well as a four-resonance co-polarization reflectarray. The value of the claim is that a single simple geometry can serve many programmable functions, which would make future RIS designs cheaper and more versatile.

What carries the argument

The load-bearing object is the X-shaped patch: a symmetric arrangement of two crossed metal strips ending in extension structures, with four PIN diodes placed on the strips, sitting above a metal ground for reflect arrays or replacing the ground with a radiating patch for transmit arrays. The analysis works by decomposing the incident electric field into components along the two diagonal axes of the X: along an element edge the two components flow through the patch and acquire a $180^\circ$ phase difference, producing polarization conversion; along a diagonal, only the branch parallel to the field resonates, so switch states that change parallel branches define distinct resonance lengths while perpendicular branches are inert. This 'equivalent resonance length' reasoning is what lets the paper compress 32 switch configurations into 10 modes and predict that extra switch states create new useful phase and amplitude behavior, such as the B6 state's polarization-cancellation band.

What would settle it

Run a full-wave electromagnetic simulation of a single X-RIS element with realistic PIN diode models, sweeping frequency and all switch states for both incidence directions, and plot the reflected or transmitted phase and amplitude. If the phase difference between the two diagonal current components at edge incidence is not close to 180 degrees within the claimed band, or if a perpendicular branch shows non-negligible resonance, the 10-mode collapse fails. Also measure the actual cross-polarization conversion ratio in the band where the paper predicts 100 percent conversion; any significant loss would show the polarization-cancellation mechanism does not deliver lossless phase tuning.

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Extended reading notes

Core claim

The central claim is that the X-shaped element structure, with only four PIN switches, can be operated in ten distinct physical states: three resonant states and four polarization-conversion states under edge incidence (B1-B6, with some states combining resonance and conversion), and similarly three resonant states plus one polarization-conversion state under diagonal incidence (A1-A4). These ten modes follow from two geometric principles: when the electric field is incident along an element edge, the field decomposes into two diagonal components that acquire a $180^\circ$ phase difference and recombine in the orthogonal polarization; when the field is incident along a diagonal, the operative branches are those parallel to the field while perpendicular branches do not resonate. The paper argues that, because each mode is tied purely to switch states and incidence orientation, the same element can implement 1-bit or 2-bit phase quantization, ultra-wideband response, independent dual-polarization control, orbital-angular-momentum beams, and radar-cross-section reduction. It further proposes that using states B5 and B6 together yields a bit-reconfigurable array that is 1-bit ultra-wideband or 2-bit narrowband, and that a single element with independently controlled switches can provide dual-band ultra-wideband operation.

Load-bearing premise

The argument depends on the assumption that the two diagonal current components accumulate exactly 180 degrees of phase difference under edge incidence, and that branches perpendicular to the incident electric field do not resonate at all; if those two simplifications are quantitatively wrong, the 10-mode classification and the proposed B5/B6 bit-reconfigurable and dual-band designs would behave differently from the paper's description.

Editorial extensions

If this is right

  • A single X-RIS element can implement both resonant and polarization-converting modes, so a reflectarray or transmit array built from it can switch between functions such as beam steering, OAM generation, and RCS reduction without changing hardware.
  • Using states B5 and B6, the same array can toggle between 1-bit ultra-wideband operation and 2-bit narrowband operation, effectively giving one aperture two programmable data-rate and bandwidth regimes.
  • By shortening the patch and controlling all four switches independently, one X-RIS element can cover two frequency bands, replacing designs that need two differently sized elements.
  • Adding a fifth PIN diode to the X structure yields a co-polarization reflectarray with four resonant phase states, extending the same element to higher-order phase quantization.

Reading between the lines

Editorial extensions of the paper, not claims the author makes directly.

  • If the geometric decomposition is sound, a similar mode-counting exercise could be applied to other symmetric patch shapes (e.g., Y-shaped or hexagonal), suggesting the X-RIS is one member of a family of multi-mode reconfigurable elements.
  • The bit-reconfigurable idea implies a control trade-off that the paper does not explicitly analyze: switching between the 1-bit and 2-bit regimes may require different biasing waveforms, and one could test the switching speed and stability of the transition in a prototype.
  • The claim that the B6 state has a band of polarization cancellation followed by a band of 100 percent conversion could be verified with a single full-wave sweep; if it holds, the same state could be reused for amplitude-modulated programmable metasurfaces, not just phase control.
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Signed reviews

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Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, and a circularity audit.

Referee Report

4 major / 6 minor

Summary. The manuscript presents a classification of X-shaped reconfigurable intelligent surface (RIS) elements based on incidence direction and PIN-diode switch states. It claims that the 32 switch/incidence combinations reduce to 10 resonance or polarization-conversion modes (A1-A4 for diagonal incidence, B1-B6 for edge incidence). It then reviews roughly 30 published designs using these modes, organizes them by bit number and function, and proposes three new concepts: a 'bit reconfigurable' element exploiting B5/B6 states, a single-element dual-band 1-bit element, and a co-polarization reflectarray with four resonant states. The proposed designs are presented as predictions from the qualitative mode model without full-wave simulations or measurements.

Significance. The review portion is a useful, well-referenced systematization of an active research area, and the mode taxonomy may help designers select element configurations. The paper explicitly credits the relevant literature, including independent groups. However, the original contribution—the new designs in Section IV—rests on quantitative assumptions (180° phase accumulation, inert vertical branches, and 100% polarization conversion) that are neither derived nor numerically verified. Because these assumptions are load-bearing and untested, the paper cannot be accepted as is. The taxonomy's completeness also needs a verifiable mapping. If the authors add full-wave validation and a complete mode table, the paper could become a valuable reference.

major comments (4)
  1. [Section II.A, Fig. 2] The polarization conversion mechanism is described as the two diagonal current components acquiring a 180° phase difference, but the text gives no condition under which equal amplitudes and exactly 180° phase result. This condition depends on strip lengths, mutual coupling, and diode parasitics; geometry alone does not guarantee it. The B4-B6 states and the Section IV 'bit reconfigurable' design rely on this quantitative behavior. Provide an equivalent-circuit eigenmode analysis or full-wave simulation of the reflection coefficients and polarization conversion ratio for the relevant states.
  2. [Section II.B] The claim that a branch perpendicular to the incident E-field 'does not resonate' and hence that A1-A3 states are equivalent regardless of vertical-branch complexity is a strong simplification. Induced currents in the vertical branches and at the crossing junction can contribute, particularly near resonance. No numerical comparison of the A1-A3 variants is provided. Because this equivalence is the basis for the '32 forms → 10 modes' enumeration and for the proposed four-state co-polarization element, a parametric full-wave study is needed.
  3. [Section IV] The proposed new designs are speculative. The statement that state B6 'must' have a band with 100% polarization conversion and a band with polarization cancellation is asserted without calculation. '100%' is not meaningful without including losses and specifying the reflection amplitude. The bit-reconfigurable and dual-band designs need simulated unit-cell responses (S-parameters, reflection phase, polarization conversion ratio) with actual dimensions and diode models. Without this, the central contribution of the paper is unsupported.
  4. [Sections II-III] The completeness of the 10-mode classification is not demonstrated. The paper states that the 32 switch/incidence combinations form 10 modes, but it does not provide a table that maps each of the 32 combinations to exactly one mode. Since this mapping is the paper's central organizing claim, please add a complete mapping table and specify which switch states produce each of B1-B6 and A1-A4.
minor comments (6)
  1. [Section numbering] There are two sections labeled 'Ⅳ' (Novel Design Examples and Conclusions); renumber the Conclusions as V.
  2. [References] References [11] and [21] are the same paper (Pereira et al., 2010); renumber and adjust citations accordingly.
  3. [Section III] The phrase 'made a polarization conversion broadband RIS' needs a verb; also define RA and TA at first use.
  4. [Section IV] The 'another state' for the co-polarization reflectarray is not defined; specify the switch configuration of this additional state.
  5. [Figure captions and grammar] Several captions and sentences contain grammatical errors (e.g., 'All possible states of the electric field is incident along the edge'); the manuscript needs a careful copyedit.
  6. [Abstract] The term 'UWB' should be expanded at first occurrence in the abstract or introduction.

Circularity Check

0 steps flagged · score 2.0 of 10

No significant circularity: the review is independently grounded; the novel-design assertions are unvalidated extrapolations, not circular reductions.

full rationale

The paper's core is a taxonomy of X-RIS switch states (A1-A4, B1-B6) built from a qualitative resonance model, followed by a literature review and three new design ideas. The taxonomy is not derived from Maxwell's equations, but it is not circular: it is a classification scheme, and the review portion is supported by many independent references. The only author-overlapping citation (Ref. [16], Zhou/Yang/Xu) is used as one example of A2/A4 modes and is not load-bearing; the same modes are supported by independent works (Refs. [18], [21]). The B6 'prediction' in Section IV is an extrapolation from the qualitative model rather than a restatement: Section II.A classifies B6 as a polarization conversion state, but Section IV's specific quantitative claim of a 100% polarization conversion band is not contained in that classification and is not derived or simulated. That is a lack of validation, not circularity. The proposed designs (bit reconfigurable, dual-band single element, four-state co-pol element) are new combinations of previously demonstrated states; they are not fitted to data or equivalent to their inputs by construction. Therefore no circular step meets the quoted-evidence bar, and the paper's derivation chain is self-contained as a review, with correctness risk in the unverified novel designs.

Assumptions & free parameters 0 free parameters · 4 assumptions · 0 invented entities

The paper introduces no fitted parameters and no invented physical entities. It rests on standard electromagnetic decomposition, a domain assumption that mirror symmetry yields a 180 degree phase difference, the assumption that PIN diodes behave as ideal switches, and the author-specific taxonomy A1-A4/B1-B6 used to organize the review. The weakest axiom is the idealized lossless model used to claim a band of 100 percent polarization conversion in the proposed B5/B6 design.

assumptions (4)
  • standard math An incident electric field can be decomposed into two orthogonal components along u and v, and the patch currents in those directions combine with a 180 degree phase difference to produce the cross-polarized field.
    Section II.A, Fig.2 description; this is the standard basis for polarization conversion.
  • domain assumption Placing two identical patches at plus or minus 45 degrees to the incident field produces a reflection phase difference of 180 degrees (mirror law).
    Section II.A; used to justify 1-bit elements.
  • domain assumption PIN diodes can be treated as ideal on/off switches, and branches perpendicular to the incident electric field do not resonate and can be ignored.
    Section II.B, states A1-A3; this ignores parasitic coupling and losses.
  • ad hoc to paper The ten-mode classification (A1-A4, B1-B6) is a complete and physically accurate description of all 32 switch and incidence combinations.
    Sections II and III; this taxonomy is introduced in this paper to organize the review, not derived from external benchmarks.

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Cite this review

Pith. "Pith review of X-RIS: A Study of the Principles and Applications of X-Shaped RIS." pith.science (2026). https://pith.science/paper/YFZAJMAP

@misc{pith2026241205318,
  author       = {Pith},
  title        = {Pith review of: X-RIS: A Study of the Principles and Applications of X-Shaped RIS},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/YFZAJMAP}},
  note         = {Machine review of arXiv:2412.05318}
}
read the original abstract

This paper analyzes the working principle of X-Shaped reconfigurable intelligent surface (RIS) in detail and reveals the different types of RIS that can be designed based on this structure. Combined with the design examples using this structure in the currently published articles, this paper summarizes and organizes them, and finally, based on this X-Shaped structure, this paper explores some other possible designs, which reflects the potential of the design versatility of the X-RIS structure.

Discussion (0). Continue with ORCID to comment.

Reference graph

Works this paper leans on

45 extracted references · 43 canonical work pages

  1. [1]

    Huang and J

    J. Huang and J. A. Encinar, Reflectarray Antennas, 1st ed. Hoboken, NJ, USA: Wiley, 2008

    work page 2008

  2. [2]

    Reconfigurable reflectarrays and array lenses for dynamic antenna beam control: A review,

    S. V. Hum and J. Perruisseau-Carrier, “Reconfigurable reflectarrays and array lenses for dynamic antenna beam control: A review,” IEEE Trans. Antennas Propag., vol. 62, no. 1, pp. 183–198, Jan. 2014

    work page 2014

  3. [3]

    Beam scanning reflectarray antennas: A technical overview and state of the art,

    P. Nayeri, F. Yang, and A. Z. Elsherbeni, “Beam scanning reflectarray antennas: A technical overview and state of the art,” IEEE Antennas Propag. Mag., vol. 57, no. 4, pp. 32–47, Aug. 2015

    2015

  4. [4]

    20 GHz active reflectarray using 1-bit phase shifter,

    M. N. B. Zawawi, J. Lanteri, C. Migliaccio, and C. Pichot, “20 GHz active reflectarray using 1-bit phase shifter,” in Proc. Int. Symp. Antennas Propag., Jul. 2013, pp. 1668–1669

    work page 2013

  5. [5]

    Dual linearly-polarized unit-cells with nearly 2-bit resolution for reflectarray applications in X-band,

    R. Pereira, R. Gillard, R. Sauleau, P. Potier, T. Dousset, and X. Delestre, “Dual linearly-polarized unit-cells with nearly 2-bit resolution for reflectarray applications in X-band,” IEEE Trans. Antennas Propag., vol. 60, no. 12, pp. 6042–6048, Dec. 2012

    work page 2012

  6. [6]

    A single layer wideband U-slot microstrip patch antenna array[J]

    Wang H, Huang X B, Fang D G. A single layer wideband U-slot microstrip patch antenna array[J]. IEEE antennas and wireless propagation letters, 2008, 7: 9-12

    work page 2008

  7. [7]

    The versatile U-slot patch antenna[J]

    Lee K F, Yang S L S, Kishk A A, et al. The versatile U-slot patch antenna[J]. IEEE Antennas and Propagation Magazine, 2010, 52(1): 71-88

    work page 2010

  8. [8]

    Design of square patch antenna with a notch on FR4 substrate[J]

    Bhardwaj D, Bhatnagar D, Sancheti S, et al. Design of square patch antenna with a notch on FR4 substrate[J]. IET Microwaves, Antennas & Propagation, 2008, 2(8): 880-885

    work page 2008

Show all 45 references
  1. [9]

    Reconfigurable square-ring patch antenna with pattern diversity[J]

    Chen S H, Row J S, Wong K L. Reconfigurable square-ring patch antenna with pattern diversity[J]. IEEE Transactions on Antennas and Propagation, 2007, 55(2): 472-475

    2007

  2. [10]

    A circular patch antenna for radio LAN's[J]

    Guo Y J, Paez A, Sadeghzadeh R A, et al. A circular patch antenna for radio LAN's[J]. IEEE Transactions on antennas and propagation, 1997, 45(1): 177-178

    1997

  3. [12]

    Design of 2-bit Programmable Reflective Metasurface in K-band,

    Y. Saifullah, F. Zhang, G. -M. Yang and F. Xu, "Design of 2-bit Programmable Reflective Metasurface in K-band," 2019 IEEE International Symposium on Antennas and Propagation and USNC- URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 441-442

    2019

  4. [13]

    2- Bit Tunable Reconfigurable Intelligent Surface for Multibeam Antenna Applications,

    F. M. KABONZO, M. Z. ALI and M. Nedil, "2- Bit Tunable Reconfigurable Intelligent Surface for Multibeam Antenna Applications," 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI), Portland, OR, USA, 2023, pp. 633-634

    2023

  5. [14]

    Nguyen, B. D. , Tran, V. S. , Mai, L. , & Dinh-Hoang, P. . (2016). A two-bit reflectarray element using cut-ring patch coupled to delay lines. REV Journal on Electronics and Communications

    2016

  6. [15]

    Design and Rectangular Waveguide Validation of 2-Bit Wideband Reconfigurable Reflective Metasurface Element in X-Band,

    X. Ma et al., "Design and Rectangular Waveguide Validation of 2-Bit Wideband Reconfigurable Reflective Metasurface Element in X-Band," in IEEE Antennas and Wireless Propagation Letters, vol. 22, no. 1, pp. 4-8, Jan. 2023, doi: 10.1109/LAWP.2022.3188491

    2023

  7. [16]

    A Dual-Circularly Polarized Reconfigurable Reflectarray Antenna with Independent Beam Scanning Capability[J]

    Zhou S, Yang F, Xu S, et al. A Dual-Circularly Polarized Reconfigurable Reflectarray Antenna with Independent Beam Scanning Capability[J]. IEEE Transactions on Antennas and Propagation, 2024

    2024

  8. [17]

    Research and Design of a Polarization Multiplexed 1-Bit Reconfigurable Metasurface for Dynamic Focusing[J]

    Yin B, Xu Z, Wang S, et al. Research and Design of a Polarization Multiplexed 1-Bit Reconfigurable Metasurface for Dynamic Focusing[J]. Progress In Electromagnetics Research C, 2023, 132: 241- 253

    2023

  9. [18]

    Sahoo D K, Kundu D, Bhattacharya D, et al. A 1-bit coding reflective metasurface for beam steering along both the cardinal planes using dual-polarized incident waves[C]//2021 IEEE Indian Conference on Antennas and Propagation (InCAP). IEEE, 2021: 571-574

    2021

  10. [19]

    Wideband 1-bit Filtenna-to- Filtenna Cross-Polarization Converter Using Multimode Resonance[J]

    Lin H, Tam K W, Wong S W, et al. Wideband 1-bit Filtenna-to- Filtenna Cross-Polarization Converter Using Multimode Resonance[J]. IEEE Transactions on Antennas and Propagation, 2024

    2024

  11. [20]

    Achieving circular-to-linear polarization conversion and beam deflection simultaneously using anisotropic coding metasurfaces[J]

    Jing Y, Li Y, Zhang J, et al. Achieving circular-to-linear polarization conversion and beam deflection simultaneously using anisotropic coding metasurfaces[J]. Scientific Reports, 2019, 9(1): 12264

    2019

  12. [21]

    Design of a 2-bit dual-polarised unit-cell for reflectarray applications,

    R. Pereira et al., "Design of a 2-bit dual-polarised unit-cell for reflectarray applications," Proceedings of the Fourth European Conference on Antennas and Propagation, 2010, pp. 1-4

    2010

  13. [22]

    Digitally reconfigurable transmitarray with beam-steering and polarization switching capabilities[J]

    Rana B, Lee I G, Hong I P. Digitally reconfigurable transmitarray with beam-steering and polarization switching capabilities[J]. Ieee Access, 2021, 9: 144140-144148

    2021

  14. [23]

    Design of multi-functional transmitarray with active linear polarization conversion and beam steering capabilities[J]

    Lee I G, Kim J Y, Hong I P. Design of multi-functional transmitarray with active linear polarization conversion and beam steering capabilities[J]. Applied Sciences, 2022, 12(9): 4319

    2022

  15. [24]

    Beam‐editing coding metasurfaces based on polarization bit and orbital‐angular‐momentum‐mode bit[J]

    Ma Q, Shi C B, Bai G D, et al. Beam‐editing coding metasurfaces based on polarization bit and orbital‐angular‐momentum‐mode bit[J]. Advanced Optical Materials, 2017, 5(23): 1700548

    2017

  16. [25]

    A 2-bit Pancharatnam-Berry coding metasurface for ultra-wideband and polarization insensitive RCS reduction[J]

    Lin B, Huang W, Yang Y, et al. A 2-bit Pancharatnam-Berry coding metasurface for ultra-wideband and polarization insensitive RCS reduction[J]. Plasmonics, 2022, 17(2): 893-900

    2022

  17. [26]

    Wideband 1 bit reconfigurable transmitarray antenna based on polarization rotation element[J]

    Luo C W, Zhao G, Jiao Y C, et al. Wideband 1 bit reconfigurable transmitarray antenna based on polarization rotation element[J]. IEEE Antennas and Wireless Propagation Letters, 2021, 20(5): 798-802

    2021

  18. [27]

    Novel wideband metal‐only transmitarray antenna based on 1‐bit polarization rotation element[J]

    Chen G T, Jiao Y C, Zhao G. Novel wideband metal‐only transmitarray antenna based on 1‐bit polarization rotation element[J]. International Journal of RF and Microwave Computer‐Aided Engineering, 2020, 30(11): e22388

    2020

  19. [28]

    Dual‐band polarization‐insensitive orbital angular momentum beam generation based on 1‐bit polarization‐converting transmitting coding metasurface[J]

    Li J, Kong X, Wang J, et al. Dual‐band polarization‐insensitive orbital angular momentum beam generation based on 1‐bit polarization‐converting transmitting coding metasurface[J]. International Journal of RF and Microwave Computer‐Aided Engineering, 2022, 32(11): e23397

    2022

  20. [29]

    A 1-Bit Wideband Polarization-Rotating Programmable Reflectarray Antenna[C]//2023 International Conference on Microwave and Millimeter Wave Technology (ICMMT)

    Chu H, Zou Q, Dai D, et al. A 1-Bit Wideband Polarization-Rotating Programmable Reflectarray Antenna[C]//2023 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2023: 1-3

    2023

  21. [30]

    A Broadband Polarization- Rotation Reconfigurable Reflectarray Antenna[C]//2022 International Conference on Advanced Technologies for Communications (ATC)

    Le T N T N, Cuong H D, Toan T T, et al. A Broadband Polarization- Rotation Reconfigurable Reflectarray Antenna[C]//2022 International Conference on Advanced Technologies for Communications (ATC). IEEE, 2022: 58-62

    2022

  22. [31]

    A Wideband, 1-bit, Electronically Reconfigurable Phase Shifter for High-Power Microwave Phased- Array Applications[J]

    Zhang Z, Gao M, Honari M M, et al. A Wideband, 1-bit, Electronically Reconfigurable Phase Shifter for High-Power Microwave Phased- Array Applications[J]. IEEE Transactions on Plasma Science, 2023, 51(7): 1849-1861

    2023

  23. [32]

    A 1-bit coding metasurface with polarization conversion in X-band[J]

    Gao W H, Chen M, Cheng Q, et al. A 1-bit coding metasurface with polarization conversion in X-band[J]. Frontiers in Materials, 2022, 9: 914937

    2022

  24. [33]

    High-efficiency dual-polarized broadband reflecting metasurface using continuous polarization conversion technique and element with multi degree of freedom[J]

    Karimipour M, Aryanian I. High-efficiency dual-polarized broadband reflecting metasurface using continuous polarization conversion technique and element with multi degree of freedom[J]. Scientific Reports, 2022, 12(1): 7577

    2022

  25. [34]

    A wideband 1-bit reflective metasurface based on linear polarizer[C]//2019 Computing, Communications and IoT Applications (ComComAp)

    Li L, Qin F, Wan L, et al. A wideband 1-bit reflective metasurface based on linear polarizer[C]//2019 Computing, Communications and IoT Applications (ComComAp). IEEE, 2019: 213-215

    2019

  26. [35]

    Ka‐band 1‐bit ultra‐thin reflective metasurface for generating vortex beams based on wideband polarization converter[J]

    Bi F. Ka‐band 1‐bit ultra‐thin reflective metasurface for generating vortex beams based on wideband polarization converter[J]. International Journal of RF and Microwave Computer‐Aided Engineering, 2022, 32(7): e23185

    2022

  27. [36]

    A dual-band, polarization- rotating reflectarray with independent phase control at each band[J]

    Zhang Z, Luyen H, Booske J H, et al. A dual-band, polarization- rotating reflectarray with independent phase control at each band[J]. IEEE Transactions on Antennas and Propagation, 2021, 69(9): 5546- 5558

    2021

  28. [37]

    Dual-band polarization conversion metasurface for RCS reduction[J]

    Fu C, Han L, Liu C, et al. Dual-band polarization conversion metasurface for RCS reduction[J]. IEEE Transactions on Antennas and Propagation, 2020, 69(5): 3044-3049

    2020

  29. [38]

    Reflection-type 1-bit coding metasurface based on polarization conversion for broadband RCS reduction[J]

    Zhang G, Wang A, Sui S. Reflection-type 1-bit coding metasurface based on polarization conversion for broadband RCS reduction[J]. Advances in Engineering Technology Research, 2023, 8(1): 465-465

    2023

  30. [39]

    Research on beam manipulate and RCS reduction based on terahertz ultra-wideband polarization conversion metasurface[J]

    Wei J, Qi Y, Zhang B, et al. Research on beam manipulate and RCS reduction based on terahertz ultra-wideband polarization conversion metasurface[J]. Optics Communications, 2022, 502: 127425

    2022

  31. [40]

    Broadband polarization conversion metasurface based on metal cut-wire structure for radar cross section reduction[J]

    Yang J J, Cheng Y Z, Ge C C, et al. Broadband polarization conversion metasurface based on metal cut-wire structure for radar cross section reduction[J]. Materials, 2018, 11(4): 626

    2018

  32. [41]

    Ultra-thin/wide-band polarization conversion metasurface and its applications in anomalous reflection and RCS reduction[J]

    Li X, Wang Y, Fan J, et al. Ultra-thin/wide-band polarization conversion metasurface and its applications in anomalous reflection and RCS reduction[J]. Applied Sciences, 2022, 12(15): 7696

    2022

  33. [42]

    A polarization conversion coding metasurface for broadband radar cross-section reduction[J]

    Zhang M, Yang X, Luo J, et al. A polarization conversion coding metasurface for broadband radar cross-section reduction[J]. Journal of Electronic Materials, 2020, 49: 5561-5569

    2020

  34. [43]

    Su, P., Zhao, Y., Jia, S. et al. An Ultra-wideband and Polarization- independent Metasurface for RCS Reduction. Sci Rep 6, 20387 (2016)

    2016

  35. [44]

    Broadband wireless communication with space-time-varying polarization-converting metasurface[J]

    Hu Q, Chen K, Zheng Y, et al. Broadband wireless communication with space-time-varying polarization-converting metasurface[J]. Nanophotonics, 2023, 12(7): 1327-1336. 3

    2023

  36. [45]

    2-bit phase quantization using mixed polarization-rotation/non-polarization-rotation reflection modes for beam-steerable reflectarrays[J]

    Luyen H, Booske J H, Behdad N. 2-bit phase quantization using mixed polarization-rotation/non-polarization-rotation reflection modes for beam-steerable reflectarrays[J]. IEEE Transactions on Antennas and Propagation, 2020, 68(12): 7937-7946

    2020

  37. [46]

    Dual Linearly-Polarized 2-bit Programmable Metasurface with High Cross-Polarization Discrimination[J]

    Zhu L, Han J, Li G, et al. Dual Linearly-Polarized 2-bit Programmable Metasurface with High Cross-Polarization Discrimination[J]. IEEE Transactions on Antennas and Propagation, 2023

    2023

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