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山西大同大学 固体物理研究所,山西 大同,037009
[ "康永强(1979-),男,山西文水人,博士,讲师,2014年于西安交通大学获得博士学位,主要从事光子晶体、超材料方面的研究。 E-mai: kyq_2000@sohu.com" ]
纸质出版日期:2016-3-5,
收稿日期:2015-11-22,
修回日期:2015-12-17,
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康永强,. 损耗型单负材料双层结构的反射率及偏振度[J]. 发光学报, 2016,37(3): 353-357
KANG Yong-qiang,. Reflectance and Degree of Polarization in Loss Single-negative Bilayer[J]. Chinese Journal of Luminescence, 2016,37(3): 353-357
康永强,. 损耗型单负材料双层结构的反射率及偏振度[J]. 发光学报, 2016,37(3): 353-357 DOI: 10.3788/fgxb20163703.0353.
KANG Yong-qiang,. Reflectance and Degree of Polarization in Loss Single-negative Bilayer[J]. Chinese Journal of Luminescence, 2016,37(3): 353-357 DOI: 10.3788/fgxb20163703.0353.
通过传输矩阵法
理论研究了损耗型单负材料双层结构在不同入射角时的反射率和偏振度。结果表明
损耗型单负材料双层结构不同于常规介电材料
随着入射角的增大
p分量反射率比s分量的反射率大。随着损耗(电损耗和磁损耗)的增大
p波的反射率和s波的反射率差异减小
直到重合
偏振度变为0。对于损耗型单负材料双层结构
当MNG层厚度增大时
偏振度变化幅度减小;而当ENG层厚度增大时
偏振度变化幅度增大。
The reflectance and degree of polarization in the loss single negative bilayer were investigated by transfer matrix method. It is found that the angle dependent reflectance of p waves is larger than that of s wave
which is contrary to the usual material with both positive epsilon and mu. With the increasing of loss (electric loss and magnetic loss)
the difference of
R
p
and
R
s
decreases
and the polarization degree is 0. The increasing of the thickness of MNG layer makes the dip in
P
shallow
while the increasing of the thickness of ENG layer makes the dip in
P
deep.
反射率单负材料偏振度
reflectancesingle-negative materialpolarization
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