Modification of Absorption of a Bulk Material by Photonic
Crystals
XI Yong-Gang, WANG Xin, HU Xin-Hua, LIU Xiao-Han, ZI Jian
National Key Laboratory of Surface Physics, Fudan University,
Shanghai 200433
Modification of Absorption of a Bulk Material by Photonic
Crystals
XI Yong-Gang;WANG Xin;HU Xin-Hua;LIU Xiao-Han;ZI Jian
National Key Laboratory of Surface Physics, Fudan University,
Shanghai 200433
关键词 ：
42.70.Qs ,
42.25.Bs ,
41.20.Jb
Abstract ： We show theoretically that it is possible to modify absorption of a bulk absorbing material by inserting another non-absorbing dielectric slab periodically to form one-dimensional photonic crystals. It is found that, for frequencies within photonic bandgaps, absorptance is always suppressed. For frequencies located at photonic bands, absorptance can be suppressed or enhanced, which depends on the relative values of the real refactive index of the absorbing and non-absorbing dielectric layers.
Key words ：
42.70.Qs
42.25.Bs
41.20.Jb
出版日期: 2002-12-01
:
42.70.Qs
(Photonic bandgap materials)
42.25.Bs
(Wave propagation, transmission and absorption)
41.20.Jb
(Electromagnetic wave propagation; radiowave propagation)
引用本文:
XI Yong-Gang;WANG Xin;HU Xin-Hua;LIU Xiao-Han;ZI Jian. Modification of Absorption of a Bulk Material by Photonic
Crystals[J]. 中国物理快报, 2002, 19(12): 1819-1821.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I12/1819
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