Effects of matrices on Mie scattering in the mid-infrared region
Liu Xiao-Dong (刘晓东)ab, Li Shu-Guang (李曙光)c, Guo Hong-Lian (郭红莲)a, Zhang Dao-Zhong (张道中)a, Li Zhao-Lin (李兆霖)a, Hou Lan-Tian (侯蓝田)c
a Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; b Department of Electromechanical and Information Engineering, Dalian Nationality University, Dalian 116600, China; c Institute of Infrared Optical Fibres and Sensors, Yanshan University, Qinhuangdao 066004, China
Abstract Various Mie scattering systems, each having a transparent matrix, are studied in the mid-infrared region. Our three theoretical scattering systems correspond to a lossless scatterer, an anomalous dispersive dielectric scatterer and a metal scatterer, each in a non-air usual matrix. The refractive-index effects of the matrix on scattering and extinction efficiencies in the mid-infrared region are found to be quite different in different cases. Although the non-air usual matrix reduces scattering and extinction efficiencies in the first kind of system, it may or may not help scatter and extinguish the mid-infrared radiation in the second, and it has little effect on them in the third.
Received: 09 September 2002
Revised: 11 April 2003
Accepted manuscript online:
Fund: Project supported by the State Key Development Program for Basic Research of China (Grant No 2001CB610402) and the National Natural Science Foundation of China (Grant No 1989380).
Cite this article:
Liu Xiao-Dong (刘晓东), Li Shu-Guang (李曙光), Guo Hong-Lian (郭红莲), Zhang Dao-Zhong (张道中), Li Zhao-Lin (李兆霖), Hou Lan-Tian (侯蓝田) Effects of matrices on Mie scattering in the mid-infrared region 2003 Chinese Physics 12 1143
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