TY - JOUR
T1 - Numerical investigation of metamaterials infiltrated by liquid crystal
AU - Zhang, Fuli
AU - Zhao, Qian
AU - Gaillot, Davy P.
AU - Zhao, Xiaopeng
AU - Lippens, Didier
PY - 2008/11/1
Y1 - 2008/11/1
N2 - We present a comprehensive analysis of the influence of liquid crystal (LC) molecules' reorientation on the electromagnetic behaviors of S-type left-handed metamaterials (LHMs) by considering an isotropic and anisotropic approach, respectively. It is shown that the frequency shift of the magnetic resonance as a function of the LC molecules' reorientation is reversed with a blue shift for the isotropic case and a red shift for the anisotropic one, the latter being in agreement with experiment. For the electric plasma frequency shift, a large quantitative difference is pointed out by the two approaches, although the frequency variation trend is similar. The fact that the scattered electric field is no longer polarized like the incident beam explains these differences, resulting in the unsuitability of an isotropic treatment of LC compounds infiltrated into metamaterials.
AB - We present a comprehensive analysis of the influence of liquid crystal (LC) molecules' reorientation on the electromagnetic behaviors of S-type left-handed metamaterials (LHMs) by considering an isotropic and anisotropic approach, respectively. It is shown that the frequency shift of the magnetic resonance as a function of the LC molecules' reorientation is reversed with a blue shift for the isotropic case and a red shift for the anisotropic one, the latter being in agreement with experiment. For the electric plasma frequency shift, a large quantitative difference is pointed out by the two approaches, although the frequency variation trend is similar. The fact that the scattered electric field is no longer polarized like the incident beam explains these differences, resulting in the unsuitability of an isotropic treatment of LC compounds infiltrated into metamaterials.
UR - http://www.scopus.com/inward/record.url?scp=59949087561&partnerID=8YFLogxK
U2 - 10.1364/JOSAB.25.001920
DO - 10.1364/JOSAB.25.001920
M3 - 文章
AN - SCOPUS:59949087561
SN - 0740-3224
VL - 25
SP - 1920
EP - 1925
JO - Journal of the Optical Society of America B: Optical Physics
JF - Journal of the Optical Society of America B: Optical Physics
IS - 11
ER -