Abstract: This letter proposes an angle-multiplexed multifocal method for designing a 2-D beam-scanning transmitarray (TA). The angle-multiplexed method is commonly used to generate orbital angular ...
Fact check: Trump repeats numerous false claims in prime-time address Man charged after missing Tennessee juveniles found in house Multi-state wind event moves into our region Thursday night Taylor ...
Abstract: The instability of the sheet electron beam (SEB) is an essential factor for limiting the power of the SEB traveling wave tube (TWT). To solve this issue, this article proposes a method to ...
New ion beam fabrication uses low cost materials to form vertical nanomagnets whose nanostrip geometry boosts sensitivity to magnetic fields and current pulses. (Nanowerk News) Researchers at HZDR ...