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    Effects of Reentry Plasma Sheath on Mutual-Coupling Property of Array Antenna by B. W. Bai, X. P. Li, Y. M. Liu, J. Xu

    Published 2015-01-01
    “…Results show that mutual coupling coefficients of array elements are deteriorating more seriously with the decrease of collision frequency. Moreover, when electron density and collision frequency are both large, plasma sheath improves the mutual coupling property of array elements; this conclusion suggests that replacing the on-board single antenna with the array antennas and using beamforming technology can be adopted to mitigate the blackout problem in this condition.…”
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    Inverse design of high-NA metalens for maskless lithography by Chung Haejun, Zhang Feng, Li Hao, Miller Owen D., Smith Henry I.

    Published 2023-02-01
    “…We also demonstrate experimental validation for our axisymmetric inverse-designed metalens via electron beam lithography. Metalens-based maskless lithography may open a new way of achieving low-cost, large-area nanofabrication.…”
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