Community News - THz and mm-wave extraordinary transmission

Posted on September 23, 2014

The steering and splitting of beams at higher mm-wave and THz frequencies has recently been discussed in "epsilon-near-zero (ENZ) graded index quasi-optical devices: steering and splitting millimeter waves", published in the Journal of Optics. The devices utilised stacks of narrow hollow waveguides to created graded-index ENZ (GRIN-ENZ) media. The use of ENZ materials suggests that compact devices can be realised with good transmission efficiency.

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