Rapid bioaerosol detection by measuring circular intensity differential scattering (CIDS) from single flowing through particle

YL Pan, A Kalume, L Beresnev, C Wang… - Aerosol Science and …, 2024 - Taylor & Francis
We present an advanced optical method to measure the phase function of circular intensity
differential scattering (CIDS), ie, the normalized Mueller matrix element-S14/S11, from …

Real-time detection and characterization of individual flowing airborne biological particles: fluorescence spectra and elastic scattering measurements

Y Pan, S Holler, RK Chang, SC Hill… - Air Monitoring and …, 1999 - spiedigitallibrary.org
Real-time methods which is reagentless and could detect and partially characterize
bioaerosols are of current interest. We present a technique for real-time measurement of UV …

A refractive-index and position-independent single-particle detector for large, nonabsorbing, spherical particles

MS Waez, SJ Eckels, CM Sorensen - Aerosol Science and …, 2018 - Taylor & Francis
We show that for spherical particles with real refractive index and diameters greater than ca.
10 microns, the differential scattering cross-section is only independent of the refractive …

[HTML][HTML] Shape Discrimination of Individual Aerosol Particles Using Light Scattering

Y Han, L Ding, Y Wang, H Zheng, L Fang - Sensors, 2023 - mdpi.com
We established an experimental apparatus by combining polarized light scattering and
angle-resolved light scattering measurement technology to rapidly identify the shape of an …

Optimized response characteristics of an optical particle spectrometer for size measurement of aerosols

WW Szymanski, T Ciach, A Podgorski… - Journal of Quantitative …, 2000 - Elsevier
The accuracy of aerosol particle size measurement based on light scattering from single
particles depends strongly on the scattering angular range and particle refractive index. The …

Wavelength resolved polarized elastic scatter measurements from micron-sized single particles

V Sivaprakasam, J Czege… - … , Nuclear, and Explosives …, 2013 - spiedigitallibrary.org
The goal of this project is to investigate correlations of polarimetric angular scattering
patterns from individual aerosol particles with the particles' physical structure and …

Shape classification of single aerosol particle using near-forward optical scattering patterns calculation

Z Jin-Bi, D Lei, W Ying-Ping, Z Hai-Yang, F Li - Acta Physica Sinica, 2015 - hero.epa.gov
Particle shapes can be distinguished by the properties of near-forward optical scattering
patterns of particles. The discrete dipole approximation method is used to calculate the light …

Polarized light illuminated scattering characteristics of single airborne particle

Y Han, L Ding, Y Wang, H Zheng, L Fang - Journal of Quantitative …, 2021 - Elsevier
We demonstrate a method of classifying aerosol particles with different shapes based on the
two separated vertical and horizontal polarized beams spaced by 90-100 µm. Model 3321 …

Simultaneous retrieval of aerosol size and composition by multi-angle polarization scattering measurements

W Guo, N Zeng, R Liao, Q Xu, J Guo, Y He, H Di… - Optics and Lasers in …, 2022 - Elsevier
Abstract Changes of polarization state in aerosol scattering processes are sensitive to
various microphysical properties of particles, such as size distribution and complex refractive …

Theoretical studies on bioaerosol particle size and shape measurement from spatial scattering prof iles

C Feng, L Huang, J Wang, Y Zhao… - Chinese Optics Letters, 2011 - opg.optica.org
A method of clarifying bioaerosol particles is proposed based on T-matrix. Size and shape
characterizations are simultaneously acquired for individual bioaerosol particles by …