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Proceedings Paper

Dynamic lithography of v-shaped antennas for beam steering applications
Author(s): Tamelia Ali; Ada-Simona Popescu; Igor Bendoym; Simeon Bikorimana; Roger Dorsinville; Linda Marchese; Alain Bergeron; Marc Terroux; Andrii B. Golovin; David T. Crouse
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Paper Abstract

A method to generate an optical metasurface is developed. In our experimental setup, we use a pump-probe technique, where the pump beam is used to project patterns of v-shaped antennas on the surface of a silicon substrate. In the areas illuminated with the images of v-shaped antennas electron-hole pairs are created. Therefore, the antenna structures on silicon will have metallic-like properties, we classify this structure as a metasurface. The THz beam probes refraction and reflection on the metasurface generated on the silicon substrate. The dynamic change of these patterns of metasurface causes the beam steering effects of THz radiation.

Paper Details

Date Published: 21 May 2014
PDF: 10 pages
Proc. SPIE 9102, Terahertz Physics, Devices, and Systems VIII: Advanced Applications in Industry and Defense, 91020A (21 May 2014); doi: 10.1117/12.2050463
Show Author Affiliations
Tamelia Ali, The City College of New York (United States)
Ada-Simona Popescu, The City College of New York (United States)
Igor Bendoym, Phoebus Optoelectronics (United States)
Simeon Bikorimana, The City College of New York (United States)
Roger Dorsinville, The City College of New York (United States)
Linda Marchese, INO (Canada)
Alain Bergeron, INO (Canada)
Marc Terroux, INO (Canada)
Andrii B. Golovin, The City College of New York (United States)
Ctr. for Metamaterials (United States)
David T. Crouse, The City College of New York (United States)
Ctr. for Metamaterials (United States)


Published in SPIE Proceedings Vol. 9102:
Terahertz Physics, Devices, and Systems VIII: Advanced Applications in Industry and Defense
Mehdi F. Anwar; Thomas W. Crowe; Tariq Manzur, Editor(s)

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