Electrically tunable reflectarray element based on aperture-coupled C-patch

Pham, Kien; Nguyen, B.D.; Tran, Van-Su; Bui, Lan-Phuong P.; Mai, Linh; Nguyen, Ngoc Tinh; Yonemoto, Naruto; Kohmura, Akiko; Futatsumori, Shunichi

doi:10.1109/eucap.2014.6902181

Cited by 3 publications

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“…Especially, the aperture-coupled reflectarray element can control the phase shift by integrating various kinds of active devices such as the pin diode [4], MEMS [5,6] or the varactor [7] to the delay line. Recently, the simulations of a new aperture-coupled reflectarray element based on the C-patch coupled to the delay line [8] show a wide range of reflection phase with good linearity. It allows the phase shift to be controlled by modifying the length of the delay line.…”

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Electronically tunable reflectarray element based on C‐patch coupled to delay line

et al. 2014

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A reflectarray element with switchable phase shift for an electronically beam scanning reflectarray operating in the X-band is presented. The element consists of multilayer printed circuits with a C-patch coupled to a delay line through a ring slot. The phase shift is obtained by adjusting the length of the delay line. The element integrated with a pin diode to control the phase is assembled and measured in the X-band. The experimental validations show a wide range of reflection phase with a quasi-linear phase curve as well as a promising capability of changing the reflected phase between the ON and OFF states of the PIN diode.

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confidence: 99%