Abstract: This letter proposes a sandwich metamaterial window (SMW) for a W-band TE01 mode gyrotron travelling-wave tube (gyro-TWT), which is optimized using machine learning (ML) to achieve high ...

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Manhattan prosecutors say that Officers Michael Caligiuri and Ryan McLoughlin hid another officer’s crash in 2024. Dozens of their colleagues appeared in court on Friday to support them. By Hurubie ...