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The vertical-cavity surface-emitting laser, the optical back-to-back connection, the photodetector, the lumped/distributed matching network, and the air-filled substrate-integrated-waveguide antenna ...

Optical gel contains citronella and peppermint oil, which are offensive to birds, and for the stubborn pigeons that are ...

Abstract: This paper presents a novel class of substrate integrated waveguide filters, based on partially air-filled rectangular cavities. These partially-air filled cavity implements a doublet, that ...