Effects of cloud and humidity on atmospheric extinction coefficient derived from visual range observations in Iranian major airports
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Climatology"
DOI: 10.1002/joc.4791
Abstract: Visibility impairment, one of the restricting phenomena for aviation, results from light scattering and absorption. In this study, the historical visibility database for the period of 1981–2010 is used to obtain extinction coefficient according to… read more here.
Keywords: trend; extinction coefficient; extinction; visibility ... See more keywords
Determination of the boundary value of the aerosol extinction coefficient and its effects on the extinction coefficient profile of aerosol in lower atmosphere
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.01.116
Abstract: Abstract It is known that the boundary condition is important for deriving the aerosol extinction coefficient profiles from the lidar return signals using the popular Fernald’s method. However, when the lidar return signals are available… read more here.
Keywords: coefficient; extinction coefficient; boundary value; aerosol extinction ... See more keywords
Research on BP network for retrieving extinction coefficient from Mie scattering signal of lidar
Sign Up to like & getrecommendations! Published in 2020 at "Measurement"
DOI: 10.1016/j.measurement.2020.108028
Abstract: Abstract Mie lidar is a powerful tool for detecting the optical properties of atmospheric aerosols. However, there are two unknown parameters in the Mie lidar equation: the extinction coefficient and the backscattering coefficient. In the… read more here.
Keywords: extinction coefficient; network; mie scattering;
Extinction coefficient of free-standing chitosan films determined from partially coherent transmittance spectra
Sign Up to like & getrecommendations! Published in 2018 at "Optical Materials"
DOI: 10.1016/j.optmat.2018.07.059
Abstract: Abstract The extinction coefficient (k) of free-standing chitosan-based films is determined in the spectral range 250–840 nm from normal incidence transmittance spectra showing partial coherence. Films of thicknesses (d) ranging between 3.7 and 20 μm casted from… read more here.
Keywords: free standing; standing chitosan; transmittance spectra; extinction coefficient ... See more keywords
Experimental study on the radiative properties of open-cell porous ceramics
Sign Up to like & getrecommendations! Published in 2017 at "Solar Energy"
DOI: 10.1016/j.solener.2017.04.002
Abstract: Abstract Open-cell porous ceramic is an ideal volumetric heat absorbing material, and understanding in detail the thermal properties of the material, particularly its radiative properties, is of primary importance for the design and improvement of… read more here.
Keywords: radiative properties; extinction coefficient; cell porous; porous ceramics ... See more keywords
Interpreting weak backscattering signals: new results
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Remote Sensing"
DOI: 10.1080/01431161.2018.1508925
Abstract: ABSTRACT The interpretation of lidar information was carried out here inverting the weak backscattering signals returned from a homogeneous atmosphere where atmospheric parameters are constant in space. It was performed interpreting weak backscattering signals using… read more here.
Keywords: backscattering signals; extinction coefficient; weak backscattering; interpreting weak ... See more keywords
Quantification of cell concentration in biofuel-important microalgae using hyperspectral reflectance and hyperspectral extinction coefficient
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Remote Sensing"
DOI: 10.1080/01431161.2019.1620378
Abstract: ABSTRACT Monitoring of microalgae cell concentration during their growing phase is imperative to ensure efficiency in biomass production and to study the cell division kinetics since it impacts the penetration depth of the active light… read more here.
Keywords: concentration; extinction coefficient; cell concentration; hyperspectral reflectance ... See more keywords
A Method of Inversing Dynamic Aerosol Extinction-to-Backscattering Ratio Based on Lidar Echo Signal and Ground Aerosol Extinction Coefficient or Aerosol Optical Depth
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3152902
Abstract: When using the Fernald method to solve the lidar equation, the selection of aerosol extinction-to-backscattering ratio (lidar ratio) is an important error source, which becomes a major factor limiting the accuracy of aerosol extinction profile.… read more here.
Keywords: lidar; ground; extinction coefficient; method ... See more keywords
On the extinction coefficient of light in non-absorbing nanoparticle suspensions.
Sign Up to like & getrecommendations! Published in 2018 at "Applied optics"
DOI: 10.1364/ao.57.003390
Abstract: We assess the validity and possible use of a simple formula for the complex effective refractive index of a colloidal suspension of very small particles obtained from the quasi-crystalline approximation. This approximation takes into account… read more here.
Keywords: non absorbing; nanoparticle suspensions; extinction coefficient; coefficient light ... See more keywords
Dual CCD detection method to retrieve aerosol extinction coefficient profile.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.0a1529
Abstract: The profile of aerosol extinction coefficient can help understand the air pollution transportation and development of the atmospheric boundary layer. The charge-coupled device (CCD)-laser aerosol detection system (CLADS) was widely used to measure the profile… read more here.
Keywords: extinction coefficient; profile; aerosol extinction;
More Is Not Always Better: Local Models Provide Accurate Predictions of Spectral Properties of Porphyrins
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Molecular Sciences"
DOI: 10.3390/ijms23031201
Abstract: The development of new functional materials based on porphyrins requires fast and accurate prediction of their spectral properties. The available models in the literature for absorption wavelength and extinction coefficient of the Soret band have… read more here.
Keywords: better local; extinction coefficient; always better; local models ... See more keywords