DocumentCode
520068
Title
Concentration of terahertz radiation through tapered circular subwavelength apertures
Author
Nguyen, Tho Duc ; Vardeny, Z.Valy ; Nahata, Ajay
Author_Institution
Dept. of Phys., Univ. of Utah, Salt Lake City, UT, USA
fYear
2010
fDate
16-21 May 2010
Firstpage
1
Lastpage
2
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.
Keywords
optical focusing; surface plasmon resonance; terahertz waves; broadband terahertz radiation; conically tapered subwavelength apertures; tapered circular subwavelength apertures; Apertures; Cutoff frequency; Electromagnetic measurements; Optical films; Optical pulses; Optical surface waves; Optical waveguides; Phase measurement; Pulse measurements; Spectroscopy;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location
San Jose, CA
Print_ISBN
978-1-55752-890-2
Electronic_ISBN
978-1-55752-890-2
Type
conf
Filename
5499628
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