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15 September 1993 Linear and nonlinear scattering by a dielectric sphere
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Abstract
Linear and nonlinear time-dependent backscattering calculations for dielectric spheres are presented. The time-dependent backscattered linear fields depend upon: (1) the linewidth of the pulse and the linewidth of the resonance of the sphere, and (2) the frequency separation between the center frequency of the pulse and the resonance frequency of the sphere. When the refractive index or absorption of the sphere is intensity-dependent, then the backscattering also depends upon the intensity of the laser pulse. When the droplets have a large intensity- dependent index of refraction or a large saturable absorption, and are illuminated near a resonance with a high-intensity laser pulse, hysteresis may be seen in the back-scattered intensity.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dipakbin Qasem Chowdhury, Md. Mohiuddin Mazumder, and Steven C. Hill "Linear and nonlinear scattering by a dielectric sphere", Proc. SPIE 1968, Atmospheric Propagation and Remote Sensing II, (15 September 1993); https://doi.org/10.1117/12.154831
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