Dear Colleagues,

The research into nematic liquid crystal (NLC)-based tunable (reconfigurable) components at radio frequencies (microwave, millimetre-wave, terahertz) have reached maturity in the last decade, with more than a dozen documented state-of-the-art devices and systems holding the promise for game-changing applications.

From the optimization perspectives of device architecture and driving methods, however, each new incremental improvement (tunability, insertion loss, response time, size, and cost, etc.) is arguably smaller than the last, which motivates the need for new chemistry or physics to understand and extend the performance limits.

We invite submissions discussing unconventional principles, new methods, advanced techniques, and novel technologies that could underpin a vast performance improvement of the NLC-based devices and systems at radio frequencies.

Dr. Jinfeng Li
Guest Editor

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• liquid crystals
• insertion loss
• tunable dielectrics
• dielectric anisotropy
• microwave tunable devices
• millimeter-wave tunable devices
• electronic beam steering