Geometrically enhanced morphology-dependent resonances of a dielectric sphere

被引：5
|
作者：
Demir, Abdullah [2 ]
Yuce, Emre [3 ,4 ]
Serpenguzel, Ali [1 ]
Lock, James A. [5 ]
机构：
[1] Koc Univ, Microphoton Res Lab, Dept Phys, TR-34450 Istanbul, Turkey
[2] Univ Cent Florida, Coll Opt & Photon, CREOL, Orlando, FL 32816 USA
[3] Univ Twente, Dept Sci & Technol, NL-7500 AE Enschede, Netherlands
[4] Univ Twente, MESA Inst Nanotechnol, Complex Photon Syst COPS, NL-7500 AE Enschede, Netherlands
[5] Cleveland State Univ, Dept Phys, Cleveland, OH 44115 USA
来源：
APPLIED OPTICS | 2011年 / 50卷 / 36期
关键词：
WHISPERING-GALLERY MODES; LOCALIZATION PRINCIPLE; GAUSSIAN-BEAM; MICROSPHERE; SCATTERING; EXCITATION; LASER; ADSORPTION; PARTICLE; RAINBOW;
D O I：
10.1364/AO.50.006652
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The effect that geometrical resonances of orbiting internally reflecting rays have on the morphology-dependent resonances of microspheres is investigated heuristically and numerically using generalized Lorenz-Mie theory. Angularly resolved off-axis Gaussian beam elastic scattering spectra are presented. The results obtained show that the elastic scattering intensity of morphology-dependent resonances is noticeably enhanced in the vicinity of the geometrical resonance scattering angles. (C) 2011 Optical Society of America
引用
收藏
页码：6652 / 6656
页数：5
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