CST – Computer Simulation Technology

Metamaterial-based gradient index beam steerers for terahertz radiation
Jens Neu, Rene Beigang, Marco Rahm
Applied Physics Letters
Volume: 103, Issue: 4, 24 July 2013
We designed, fabricated, and optically characterized single and double layer metamaterial-based gradient index beam steerers for terahertz radiation. We measured a maximal deflection angle of 6. The operation bandwidth of the beam steerers was 300GHz around a center frequency of 1.3THz. Within this bandwidth, the amplitude transmission was higher than 50%. Due to a thickness of only 100 lm or below, the implemented beam steerers are ideally suited for integration in compact terahertz measurement systems.

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