نتایج جستجو برای: mie scattering theory

تعداد نتایج: 882201  

Journal: :Journal of biomedical optics 2009
Condon Lau Obrad Sćepanović Jelena Mirkovic Sasha McGee Chung-Chieh Yu Stephen Fulghum Michael Wallace James Tunnell Kate Bechtel Michael Feld

Model-based light scattering spectroscopy (LSS) seemed a promising technique for in-vivo diagnosis of dysplasia in multiple organs. In the studies, the residual spectrum, the difference between the observed and modeled diffuse reflectance spectra, was attributed to single elastic light scattering from epithelial nuclei, and diagnostic information due to nuclear changes was extracted from it. We...

Journal: :Applied optics 1973
R G Pinnick J M Rosen D J Hofmann

Monodispersed spherical aerosols of 0.26-2-micro diameter with approximate range of indexes of refraction of atmospheric aerosols have been produced in the laboratory by atomization of liquids with a vibrating capillary. Integrated light scattered 8 through 38 degrees from the direction of forward scattering has been measured with a photoelectric particle counter and compared to Mie theory calc...

2013
M Fan L Chen S Li J Tao M Zou

To effectively estimate the influence of multiple scattering caused by haze particles on the misestimating of CO2 concentrations, it is necessary to understand the scattering properties of haze particles in the shortwave infrared (SWIR) wavelength range (~1.6μm) using satellite data. Due to the complexity of structures and components of haze particles, this paper investigates effects of particl...

2002
Shunlin Liang John R. G. Townshend

T h e Hapke bidirectional reflectance model has been widely used for soil modeling, but gives significant errors when the soil scatters very strongly and anisotropically. In our new model, we decompose the radiation field into three components instead of two: single-scattering radiance, double-scattering radiance, and multiple-scattering radiance. The first two components can be exactly calcula...

2007
Aparajita Bandyopadhyay Amartya Sengupta Robert B. Barat John F. Federici Minghan Chen David B. Tanner

Experimental studies of granular solids have shown that significant scattering effects restrict the accurate determination of material absorption in the terahertz (THz) region. The present work investigates the grain size dependent scattering contribution on the extinction spectra of Ammonium Nitrate, flour and salt between 0.2 to 1.2 THz using THz time-domain spectroscopy. The scattering contr...

Journal: :Nano letters 2008
Ashwin Gopinath Svetlana V Boriskina Ning-Ning Feng Björn M Reinhard Luca Dal Negro

In this paper, we combine experimental dark-field scattering spectroscopy and accurate electrodynamics calculations to investigate the scattering properties of two-dimensional plasmonic lattices based on the concept of aperiodic order. In particular, by discussing visible light scattering from periodic, Fibonacci, Thue-Morse and Rudin-Shapiro lattices fabricated by electron-beam lithography on ...

Journal: :The Journal of chemical physics 2010
Marvin A Malone Suraj Prakash Joseph M Heer Lloyd D Corwin Katherine E Cilwa James V Coe

The scattering effects in the infrared (IR) spectra of single, isolated bread yeast cells (Saccharomyces cerevisiae) on a ZnSe substrate and in metal microchannels have been probed by Fourier transform infrared imaging microspectroscopy. Absolute extinction [(3.4±0.6)×10(-7) cm(2) at 3178 cm(-1)], scattering, and absorption cross sections for a single yeast cell and a vibrational absorption spe...

Journal: :Applied optics 1991
C K Chan R C Flagan J H Seinfeld

To study the interactions between Mie scattering and Raman emissions of spherical particles, we measured the Raman spectra together with the elastically scattered light of the excitation source of an evaporating aqueous sodium nitrate droplet. Resonance structures were observed in the temporal profiles of the elastically scattered light and Raman nitrate and water emissions. The resonance struc...

2010
A. von Lerber M. Mäkynen J. Pulliainen H. Rott J. Lemmetyinen A. Wiesmann Jaan Praks M. Hallikainen

In scattering modeling of the snow cover individual snow particles are often assumed to be spherical and, depending on the frequency range, either Rayleigh approximation or Mie-scattering is used for the calculation of the phase matrix. However, the complex shapes of realistic snow crystals can have a significant effect on the scattering properties at higher frequencies, especially for the cros...

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