Time-of-Flight Model for the Extraordinary Transmission Through Periodic Arrays of Subwavelength Apertures at THz Frequencies

Plasmonics ◽  
2011 ◽  
Vol 6 (4) ◽  
pp. 625-636 ◽  
Author(s):  
Adam John Baragwanath ◽  
Mark Christopher Rosamond ◽  
Andrew James Gallant ◽  
John Martyn Chamberlain
Keyword(s):  
Time Of Flight ◽  
Extraordinary Transmission ◽  
Periodic Arrays ◽  
Subwavelength Apertures ◽  
Flight Model

scholarly journals Micromachined Devices for Use in Terahertz Applications

2012 ◽  
Vol 81 ◽  
pp. 20-27
Author(s):  
David Wood ◽  
Martyn Chamberlain ◽  
Adam Baragwanath ◽  
Linzi Dodd ◽  
Carlo Hill ◽  
...  
Keyword(s):  
Thz Radiation ◽  
Plasmonic Sensors ◽  
Periodic Arrays ◽  
Transmission Properties ◽  
Subwavelength Apertures ◽  
Terahertz Applications ◽  
Aperture Array ◽  
Key Aspects ◽  
Flight Model ◽  
Insight Into

Here we present results from key aspects of our interest in using micromachined devices in the THz region. First, our early work on making filters from rods of gold-coated SU8 is described. Pass (up to 97%) and stop bands can be observed which are theoretically underpinned by both FDTD and complex band structure simulations. Second, there is a discussion of how THz radiation passes through two-dimensional periodic arrays of subwavelength apertures. In particular, the geometry of the arrays has been studied with time-domain spectroscopy. A time-of-flight model is presented which can be used to provide insight into the operation of these arrays and has implications for the optimum design of THz plasmonic sensors. Finally, we report the THz ‘super’ extraordinary transmission properties of an optimised hybrid subwavelength aperture array, surrounded by subwavelength grooves.

scholarly journals Gain-assisted extraordinary optical transmission through periodic arrays of subwavelength apertures

2012 ◽  
Vol 14 (1) ◽  
pp. 013020 ◽  
Author(s):  
R Marani ◽  
A D'Orazio ◽  
V Petruzzelli ◽  
S G Rodrigo ◽  
L Martín-Moreno ◽  
...  
Keyword(s):  
Optical Transmission ◽  
Extraordinary Optical Transmission ◽  
Periodic Arrays ◽  
Subwavelength Apertures

Resonating Terahertz Response of Periodic Arrays of Subwavelength Apertures

Plasmonics ◽  
2014 ◽  
Vol 10 (1) ◽  
pp. 45-50 ◽  
Author(s):  
F. D’Apuzzo ◽  
P. Candeloro ◽  
F. Domenici ◽  
M. Autore ◽  
P. Di Pietro ◽  
...  
Keyword(s):  
Periodic Arrays ◽  
Subwavelength Apertures

scholarly journals Role of shape and localized resonances in extraordinary transmission through periodic arrays of subwavelength holes: Experiment and theory

2005 ◽  
Vol 72 (4) ◽  
Author(s):  
K. L. van der Molen ◽  
K. J. Klein Koerkamp ◽  
S. Enoch ◽  
F. B. Segerink ◽  
N. F. van Hulst ◽  
...  
Keyword(s):  
Extraordinary Transmission ◽  
Periodic Arrays

scholarly journals Strong Influence of Hole Shape on Extraordinary Transmission through Periodic Arrays of Subwavelength Holes

2004 ◽  
Vol 92 (18) ◽  
Author(s):  
K. J. Klein Koerkamp ◽  
S. Enoch ◽  
F. B. Segerink ◽  
N. F. van Hulst ◽  
L. Kuipers
Keyword(s):  
Strong Influence ◽  
Extraordinary Transmission ◽  
Hole Shape ◽  
Periodic Arrays

Extraordinary Transmission through Periodic Arrays of Subwavelength Metal by Coating

2010 ◽  
Vol 428-429 ◽  
pp. 479-482
Author(s):  
Guang Cai Han ◽  
Ya Wei Wang ◽  
Xiao Bin Deng ◽  
Li Feng Wang ◽  
Hai Na Lei ◽  
...  
Keyword(s):  
Surface Wave ◽  
Metal Films ◽  
Dielectric Coating ◽  
Dielectric Waveguides ◽  
Extraordinary Transmission ◽  
Periodic Arrays ◽  
Dielectric Coatings ◽  
Application Fields

In this paper, some virtuallab experiments have been done, in which the we get extraordinary transmission phenomenon by adding dielectric coating in the subwavelength periodic metallic slits. It is proved that dielectric coatings on the metal films can excite a surface wave which is transmitted in the metal slits by dielectric waveguides, and the symmetric wrapped dielectric cladding around the metal gains almost 10 times as great transmission as two surfaces cladding does. The paper explores a preliminary physics mechanism of this extraordinary transmission, which gets some valuable results in the application fields.

The collective property of enhanced transmission through compound metal periodic arrays of subwavelength apertures

2013 ◽  
Vol 298-299 ◽  
pp. 237-241 ◽  
Author(s):  
Bo Ni ◽  
Lujun Huang ◽  
Jiayi Ding ◽  
Guanhai Li ◽  
Xiaoshuang Chen ◽  
...  
Keyword(s):  
Collective Property ◽  
Periodic Arrays ◽  
Enhanced Transmission ◽  
Subwavelength Apertures

A Time of Flight Model for Cloud’s Radiative Transfer

1995 ◽  
Vol 2 (6) ◽  
pp. 420-423
Author(s):  
Amos Talmi ◽  
Jonathan Bar-Sagi
Keyword(s):  
Radiative Transfer ◽  
Time Of Flight ◽  
Flight Model

Fractal plasmonic metamaterials: physics and applications

2015 ◽  
Vol 4 (3) ◽  
Author(s):  
Shiwei Tang ◽  
Qiong He ◽  
Shiyi Xiao ◽  
Xueqin Huang ◽  
Lei Zhou
Keyword(s):  
Surface Plasmon ◽  
Effective Medium ◽  
Mode Expansion ◽  
Periodic Arrays ◽  
Full Wave ◽  
Subwavelength Apertures ◽  
Complex Shapes ◽  
Plasmonic Metamaterials ◽  
Plasmon Resonances ◽  
Expansion Theory

AbstractWe review our recent works on a particular type of metamaterials (MTMs), which are metallic plates drilled with periodic arrays of subwavelength apertures typically in fractal-like complex shapes. We first show that such MTMs can well mimic plasmonic metals in terms of surface plasmon properties, but with plasmon resonances solely dictated by their aperture geometries rather than the constitutional materials. We then develop an effective-medium description for such plasmonic MTMs based on the mode expansion theory. Based on these theoretical understandings, we show that such MTMs exhibit several interesting applications, such as superlensing, hyperlensing, and enhancing light-matter interactions, which are demonstrated by microwave experiments or full-wave simulations.

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