scholarly journals PHOTONIC BAND STRUCTURE OF FACE CENTERED CUBIC LATTICE IN CHIRAL MEDIUM

1997 ◽  
Vol 46 (12) ◽  
pp. 2325
Author(s):  
JIN CHONG-JUN ◽  
QIN BAI ◽  
YANG MIAO ◽  
QIN RU-HU
Keyword(s):  
Band Structure ◽  
Chiral Medium ◽  
Face Centered Cubic ◽  
Photonic Band Structure ◽  
Cubic Lattice ◽  
Face Centered ◽  
Photonic Band

Photonic band gap in the face-centered cubic lattice of spherical shells connected by cylindrical tubes

2005 ◽  
Vol 72 (11) ◽  
Author(s):  
Hong-Bo Chen ◽  
Yong-Zheng Zhu ◽  
Yan-Ling Cao ◽  
Yan-Ping Wang ◽  
Yuan-Bin Chi
Keyword(s):  
Band Gap ◽  
Photonic Band Gap ◽  
Face Centered Cubic ◽  
Spherical Shells ◽  
Cubic Lattice ◽  
Cylindrical Tubes ◽  
The Face ◽  
Face Centered ◽  
Photonic Band

scholarly journals Angle-dependent spectrum measurement of polystyrene opal-like structure described by Bragg-Snell diffraction and perturbed photonic band structure

2021 ◽  
Vol 2145 (1) ◽  
pp. 012040
Author(s):  
N Sitpathom ◽  
T Muangnapoh ◽  
P Kumnorkaew ◽  
S Suwanna ◽  
A Sinsarp ◽  
...  
Keyword(s):  
Band Structure ◽  
Self Assembly ◽  
Optical Measurement ◽  
Large Angle ◽  
Expansion Method ◽  
Particle Packing ◽  
Optical Diffraction ◽  
Face Centered Cubic ◽  
Photonic Band Structure ◽  
Photonic Band

Abstract Optical diffraction of opal structure, a colloidal photonic crystal, can be predicted by Bragg-Snell diffraction and photonic band structure. Theoretical prediction and optical measurement are frequently slightly different due to distance variation of particle packing. In this research, opal of 310 nm polystyrene beads was fabricated by self-assembly process and optically investigated in transmission spectra at varied angles. The measured spectra had less agreement to the Bragg-Snell prediction at large angle of detection. To explore influence of packing distance on optical response, photonic band structures were numerically simulated via plane-wave expansion method at presence of perturbed length in primitive lattice vectors. Extending each primitive vector with fixing others provided a different eigen-frequency of the first photonic band, although they had a symmetrical perturbation on (111) face-centered cubic. Perturbation on lattice length became much strong when the disturbing direction was out of eigenstate orientation plane.

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