Zobrazeno 1 - 10
of 194
pro vyhledávání: '"Lien-Wen Chen"'
Autor:
Lien-Wen Chen, Jia-Yi Yeh
Publikováno v:
Crystals, Vol 10, Iss 11, p 994 (2020)
Sonic/phononic crystals named acoustic/sonic band gap media are the elastic analogues of photonic crystals and have received renewed attention recently in many acoustic applications [...]
Externí odkaz:
https://doaj.org/article/263ccfa3bfff4be0b211dd752d1aa17f
Publikováno v:
Crystals, Vol 9, Iss 3, p 121 (2019)
In this paper, the wave propagation in phononic crystal composed of auxetic star-shaped honeycomb matrix with negative Poisson’s ratio is presented. Two types of inclusions with circular and rectangular cross sections are considered and the band st
Externí odkaz:
https://doaj.org/article/4db38ce63d7a48ce9bfc3f3fb1e1ef9c
Publikováno v:
AIP Advances, Vol 6, Iss 9, Pp 095020-095020-11 (2016)
This research presents an innovative asymmetric transmission design using alternate layers of water and metamaterial with complex mass density. The directional transmission behavior of acoustic waves is observed numerically inside the composite struc
Externí odkaz:
https://doaj.org/article/9a41e2f2a9ba471b9ddeec3bd76dd69c
Publikováno v:
Crystals, Vol 9, Iss 3, p 121 (2019)
Crystals
Volume 9
Issue 3
Crystals
Volume 9
Issue 3
In this paper, the wave propagation in phononic crystal composed of auxetic star-shaped honeycomb matrix with negative Poisson&rsquo
s ratio is presented. Two types of inclusions with circular and rectangular cross sections are considered and th
s ratio is presented. Two types of inclusions with circular and rectangular cross sections are considered and th
Publikováno v:
Journal of Modern Optics. 63:1029-1034
A subwavelength spiral hyperlens that is able to image beyond the diffraction limit is studied. The spiral hyperlens is made from an anisotropic metamaterial with a hyperbolic dispersion relation in which the evanescent wave is converted into a propa
Publikováno v:
Journal of Applied Physics; 2014, Vol. 115 Issue 24, p244513-1-244513-8, 8p, 8 Diagrams, 4 Graphs
Publikováno v:
Applied Physics A. 123
The wave propagations in the periodic structure composed of auxetic star-shaped honeycombs are investigated. The matrix of the periodic structure is filled with polymer. The effective material properties of the unit cell of the periodic structure suc
Publikováno v:
Optics Communications. 285:5524-5530
The focusing lens and beam-steering device are implemented using two-dimensional graded photonic crystals with dielectric elastomer tube array embedded in air background. The gradient refractive index could be adjusted by varying the applied voltage
Publikováno v:
Optik. 123:1928-1933
Characteristics of two different multichannel wavelength division multiplexing (WDM) systems composed of two-dimensional (2D) hetero photonic crystals (HPCs) are introduced. One utilizes five photonic crystal (PC) units, each fabricated with triangul
Publikováno v:
Applied Physics A. 109:523-533
Transformation acoustics is employed to design an acoustic bending waveguide. A two-dimensional square area with anisotropic and homogeneous material properties is transformed into a fan-shaped area with anisotropic and inhomogeneous material propert