نتایج جستجو برای: scattering intensity

تعداد نتایج: 290912  

Journal: :Investigative ophthalmology 1971
T Feuk D McQueen

The intensity of light scattered from nine rabbit corneas was measured as a function of scattering angle and polarization of the incident light beam. The stroma was found to be largely responsible for scattering in the backward direction, while the epithelium scattered more strongly in the forward direction. The effect of an epithelial edema was to increase the scattering in the forward directi...

Journal: :Journal of virology 1976
I Salmeen L Rimai R B Luftig L Libes E Retzel M Rich J J McCormick

We have studied purified preparations of murine mammary tumor virus (MuMTV), Rous sarcoma virus (RSV; Prague strain), and feline leukemia virus (FeLV) by laser beat frequency light-scattering spectroscopy, ultra-centrifugation, and electron microscopy. The laser beat frequency light-scattering spectroscopy measurements yield the light-scattering intensity, weighted diffusion coefficients. The c...

2002
J.

By studying cross correlations in the intensity of light scattered by a fluid sample in different directions at different times, it is possible to measure the dynamic scattering function S(k,t) for the fluid. The multiple scattering contribution to the time-dependent cross correlations is very substantially less than the multiple scattering contribution to S(k,t) as obtained by a conventional s...

Journal: :Optics express 2017
António Correia Peter Hanselaer Hugo Cornelissen Youri Meuret

Volume scattering is an important effect in different fields, ranging from biology to lighting. Models for volume scattering usually rely on parameters that are estimated with inverse methods that iteratively fit simulations to experimental data. To obtain accurate estimates for these parameters, the scattered intensity distribution can be used in such fitting methods. However, it has been show...

2008
C. M. Zhang

The stationary phase point (SPP) method in one-dimensional case is introduced to treat the diffractive scintillation. From weak scattering, where the SPP number N=1, to strong scattering (N≫1), via transitional scattering regime (N∼2,3), we find that the modulation index of intensity experiences the monotonically increasing from 0 to 1 with the scattering strength, characterized by the ratio of...

Journal: :Optics express 2014
JaeHwang Jung YongKeun Park

The spectro-angular light scattering measurements of individual microscopic objects are presented. Using spectroscopic quantitative phase microscopy and Fourier transform light scattering, the 2D angle-resolved light scattering intensity and phase patterns are measured in a spectral range of 450-750 nm and an angular range of -70-70°. The spectro-angular light scattering measurements of individ...

2010
H. D. Thomsen J. Esberg K. K. Andersen M. D. Lund H. Knudsen U. I. Uggerhøj P. Sona A. Mangiarotti T. J. Ketel A. Dizdar S. Ballestrero S. H. Connell

Experimental results for the radiation emission from ultrarelativistic electrons in targets of 0.03%–5% radiation length is presented. For the thinnest targets, the radiation emission is in accordance with the Bethe-Heitler formulation of bremsstrahlung, the target acting as a single scatterer. In this regime, the radiation intensity is proportional to the thickness. As the thickness increases,...

2017
Q S Feng Z J Liu C Y Zheng C Z Xiao Q Wang H C Zhang L H Cao X T He

Anti-Stokes scattering and Stokes scattering in stimulated Brillouin scattering (SBS) cascades have been researched using the Vlasov–Maxwell simulation. In high-intensity laser–plasma interactions, stimulated anti-Stokes Brillouin scattering (SABS) will occur after second stage SBS rescattering. The mechanism of SABS has been put forward to explain this phenomenon. In the early phase of SBS evo...

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