Extension of geometrical-optics approximation to on-axis Gaussian beam scattering II By a spheroidal particle with end-on incidence

2006 ◽  
Vol 45 (20) ◽  
pp. 5000 ◽  
Author(s):  
Feng Xu ◽  
Kuan Fang Ren ◽  
Xiaoshu Cai ◽  
Jianqi Shen
Keyword(s):  
Gaussian Beam ◽  
Geometrical Optics ◽  
Spheroidal Particle ◽  
Beam Scattering

Geometrical-Optics Approximation of on-Axis Gaussian Beam Scattering by a Gradient Refractive Index Sphere

2009 ◽  
Vol 29 (6) ◽  
pp. 1684-1690
Author(s):  
李祥震 Li Xiangzhen ◽  
韩香娥 Han Xiang’e ◽  
颜兵 Yan Bing
Keyword(s):  
Refractive Index ◽  
Gaussian Beam ◽  
Geometrical Optics ◽  
Beam Scattering ◽  
Gradient Refractive Index

Gaussian Beam Interaction with a Planar Dielectric Interface

1974 ◽  
Vol 52 (11) ◽  
pp. 962-972 ◽  
Author(s):  
Yahia M. Antar ◽  
Wolfgang M. Boerner
Keyword(s):  
Gaussian Beam ◽  
Taylor Series Expansion ◽  
Planar Interface ◽  
Plane Wave Expansion ◽  
Reflection And Transmission ◽  
Transmitted Beam ◽  
Transmission Coefficients ◽  
Dielectric Media ◽  
Beam Scattering ◽  
Beam Interaction

The problem of electromagnetic Gaussian beam scattering from a planar interface separating two lossless dielectric media is considered. Employing a modal plane wave expansion and the continuity of the fields across the boundary, the reflected and transmitted beams are obtained using the Fresnel approximation, and a Taylor series expansion of the reflection and transmission coefficients, for both polarizations. Particular emphasis is given to the beam shift of both the reflected and refracted beams, the change in width of the transmitted beam, and the behavior at polarizing incidence.

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