CST – Computer Simulation Technology

Title:
Metamaterial-based gradient index beam steerers for terahertz radiation
Author(s):
Jens Neu, Rene Beigang, Marco Rahm
Source:
Applied Physics Letters
Vol./Issue/Date:
Volume: 103, Issue: 4, 24 July 2013
Year:
2014
Page(s):
1-5
Abstract:
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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