Light scattering and absorption by wind blown dust: Theory, measurement, and recent data

HE Redmond, KD Dial, JE Thompson - Aeolian research, 2010 - Elsevier
Large quantities of dust with diameters< 10μm are dispersed in earth's atmosphere by wind-
driven processes. This dust is of significant scientific interest owing to its ability to potentially …

Pseudo-Newtonian potentials to describe the temporal effects on relativistic accretion disks around rotating black holes and neutron stars

B Mukhopadhyay, R Misra - The Astrophysical Journal, 2003 - iopscience.iop.org
Two pseudo-Newtonian potentials, which approximate the angular and epicyclic
frequencies of the relativistic accretion disk around rotating (and counter-rotating) compact …

[HTML][HTML] Laser imaging nephelometer for aircraft deployment

AT Ahern, F Erdesz, NL Wagner… - Atmospheric …, 2022 - amt.copernicus.org
Validation of remote sensing retrievals of aerosol microphysical and optical properties
requires in situ measurements of the same properties. We present here an improved …

Mie scattering computation of spherical particles with very large size parameters using an improved program with variable speed and accuracy

A Gogoi, A Choudhury, GA Ahmed - Journal of Modern Optics, 2010 - Taylor & Francis
The electromagnetic radiation scattering patterns were computed using an improved C
program to study variations in the patterns with changes in the size distribution, size …

Development of TUSCAT: A software for light scattering studies on spherical, spheroidal and cylindrical particles

A Gogoi, P Rajkhowa, A Choudhury… - Journal of Quantitative …, 2011 - Elsevier
An integrated software package TUSCAT (Tezpur University SCATtering Software)
incorporated with a graphical user interface (GUI) was developed for modeling …

Laboratory simulation and modeling of size, shape distributed interstellar graphite dust analogues: a comparative study

MJ Boruah, A Gogoi, GA Ahmed - Planetary and Space Science, 2016 - Elsevier
The computation of the light scattering properties of size and shape distributed interstellar
graphite dust analogues using discrete dipole approximation (DDA) is presented. The light …

Monte Carlo simulation of light scattering from size distributed sub-micron spherical CdS particles in a volume element

S Roy, GA Ahmed - Optik, 2011 - Elsevier
Simulation of polarized light scattering by spherical particles having modal radius of 180nm
is presented in this paper. A Monte Carlo method which is based on the Stokes–Mueller …

Scattering by interstellar graphite and fayalite composite dust analogues: computer simulation and laser-based laboratory measurements

MJ Boruah, A Gogoi, GA Ahmed - Journal of Astrophysics and Astronomy, 2021 - Springer
Scattering properties of irregularly shaped interstellar composite dust analogues consisting
of graphite and fayalite (Fe2SiO4) were studied using discrete dipole approximation (DDA) …

Scattering by interstellar graphite dust analog

GA Ahmed, A Gogoi - Journal of Quantitative Spectroscopy and Radiative …, 2014 - Elsevier
The analysis of optical scattering data of interstellar carbonaceous graphite dust analog at
543.5 nm, 594.5 nm and 632.8 nm laser wavelengths by using an original laboratory light …

Laboratory measurements of the light scattering properties of bentonite clay particles embedded in a cylindrical polymer matrix

A Gogoi, GA Ahmed, G Das, N Karak… - Journal of Modern …, 2013 - Taylor & Francis
The volume scattering function and degree of linear polarization of randomly oriented
bentonite clay particles were investigated as a function of scattering angle at 543.5 nm …