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fbtwitterlinkedinvimeoflicker grey 14rssslideshare1
Publisher: SPIE
Languages: English
Types: Other
Subjects: QC, T1

Classified by OpenAIRE into

arxiv: Physics::Accelerator Physics
Identifiers:doi:10.1117/12.578303
Beam-steering techniques are required to fully exploit terahertz imaging systems. We propose and model a device employing artificial dielectric techniques to provide a variable phase-control medium. The device consists of two interlocking artificial dielectric surfaces that are initially aligned parallel to each other. By mechanically introducing a relative tilt between the plates, a transmitted wave is subjected to a graded phase delay and thus the beam is steered away from the normal. Continuous and large steering angles are possible. We predict a practical device constructed from a silicon substrate could steer TE beams by up to 4.6 degrees.

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