Concentration of Terahertz Radiation Through Tapered Circular Subwavelength Apertures

Tho Duc Nguyen; Z. Valy Vardeny; Ajay Nahata

doi:10.1364/CLEO.2010.CTuF2

Conference on Lasers and Electro-Optics 2010
OSA Technical Digest (CD) (Optica Publishing Group, 2010),
paper CTuF2
•https://doi.org/10.1364/CLEO.2010.CTuF2

Concentration of Terahertz Radiation Through Tapered Circular Subwavelength Apertures

Tho Duc Nguyen, Z. Valy Vardeny, and Ajay Nahata

Conference on Lasers and Electro-Optics 2010

San Jose, California United States
16–21 May 2010
ISBN: 978-1-55752-889-6

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THz Metamaterials (CTuF)

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T. D. Nguyen, Z. V. Vardeny, and A. Nahata, "Concentration of Terahertz Radiation Through Tapered Circular Subwavelength Apertures," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optica Publishing Group, 2010), paper CTuF2.

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Abstract

We demonstrate the concentration of broadband terahertz radiation through conically tapered subwavelength apertures. Concomitantly, there is a reduction of the THz group velocity for the transmitted pulse. We describe the underlying principle behind this phenomenon.

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