Plane-Wave Synthesis Employing Propagating Plane-Wave Expansion for Three-and Two-Dimensional RCS Prediction Including the Multiple Scattering Effects

2021 ◽  
pp. 1-1
Author(s):  
Shuntaro Omi ◽  
Masanobu Hirose ◽  
Michitaka Ameya ◽  
Satoru Kurokawa
Keyword(s):  
Plane Wave ◽  
Multiple Scattering ◽  
Two Dimensional ◽  
Plane Wave Expansion ◽  
Wave Expansion ◽  
Scattering Effects ◽  
Wave Synthesis ◽  
Multiple Scattering Effects

Band Gaps of Two-Dimensional Square-Lattice Photonic Crystal with Button-Shaped Dielectric Rods

2011 ◽  
Vol 216 ◽  
pp. 285-289
Author(s):  
S.X. Du ◽  
X. D. He ◽  
B. Liu ◽  
S. J. Li ◽  
Z.M. Zhang ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Plane Wave ◽  
Band Gap ◽  
Expansion Method ◽  
Band Gaps ◽  
Square Lattice ◽  
Two Dimensional ◽  
Plane Wave Expansion ◽  
Plane Wave Expansion Method ◽  
Wave Expansion

In this paper, a new structure of two-dimensional (2D) square-lattice photonic crystal (SLPC) with button-shaped dielectric rods (BSDRs) is designed, and the properties of band gaps are analyzed by Plane Wave Expansion Method (PWM). The optimal samples that possess the width of absolute band gap are obtained by scanning the three parameters: the radius of large circular R in button mark, the ratio of the radius of small circular to the radius of large circular r/R, and the rotating angle of button mark Ө. It is shown that when r/R=0.485, R=0.406um, and Ө =750, the largest absolute band gap of 0.0406 (ωa/2πc) exists for normalized frequencies in the range 0.7501 to 0.7910 (ωa/2πc). Besides，we can get at most five absolute band gaps when r/R=0.485, R=0.406um, and Ө =600.

scholarly journals Enhanced plane wave expansion analysis for the band structure of bulk modes in two-dimensional high-contrast solid–solid phononic crystals

2014 ◽  
Vol 12 (5) ◽  
pp. 487-492 ◽  
Author(s):  
Mohammadhosein Ghasemi Baboly ◽  
Yasser Soliman ◽  
Mehmet F. Su ◽  
Charles M. Reinke ◽  
Zayd C. Leseman ◽  
...  
Keyword(s):  
Band Structure ◽  
Plane Wave ◽  
Phononic Crystals ◽  
Two Dimensional ◽  
High Contrast ◽  
Plane Wave Expansion ◽  
Wave Expansion

scholarly journals Stochastic Modeling of 2D Photonic Crystals

2021 ◽  
Author(s):  
Mohamed I. Wafa ◽  
Yasser M. El-Batawy ◽  
Sahar A. El-Naggar
Keyword(s):  
Photonic Crystals ◽  
Plane Wave ◽  
Stochastic Modeling ◽  
Stochastic Analysis ◽  
Expansion Method ◽  
Numerical Results ◽  
Two Dimensional ◽  
Plane Wave Expansion ◽  
Plane Wave Expansion Method ◽  
Wave Expansion

Abstract Due to the fabrication processes, inaccurate manufacturing of the photonic crystals (PCs) might occur which affect their performance. In this paper, we examine the effects of tolerance variations of the radii of the rods and the permittivity of the material of the two-dimensional PCs on their performance. The presented stochastic analysis relies on plane wave expansion method and Mote Carlo simulations. We focus on two structures, namely Si-Rods PCs and Air-Holes PCs. Numerical results show – for both structures – that uncertainties in the dimensions of the PCs have higher impact on its photonic gap than do the uncertainties in the permittivity of the Si material. In addition, Air-Holes PCs could be a good candidate with least alteration in the photonic gap considering deviations that might occur in the permittivity of Si due to impurities up to 5%.

MULTIPLE SCATTERING EFFECTS IN THE COBALT K-EDGE EXAFS OF METAL CARBONYL COMPLEXES

1986 ◽  
Vol 47 (C8) ◽  
pp. C8-589-C8-592
Author(s):  
N. BINSTED ◽  
S. L. COOK ◽  
J. EVANS ◽  
R. J. PRICE ◽  
G. N. GREAVES
Keyword(s):  
Multiple Scattering ◽  
Metal Carbonyl ◽  
Carbonyl Complexes ◽  
Metal Carbonyl Complexes ◽  
Scattering Effects ◽  
Multiple Scattering Effects
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