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Tracing multiple scattering trajectories for deep optical imaging in scattering media [PDF]

open access: yesNature Communications, 2023
Multiple light scattering hampers imaging objects in complex scattering media. Approaches used in real practices mainly aim to filter out multiple scattering obscuring the ballistic waves that travel straight through the scattering medium.
Sungsam Kang   +6 more
doaj   +2 more sources

FMCW Laser Fuze Multiple Scattering Model and Accurate Fixed-Distance Algorithm in a Smoke Environment [PDF]

open access: yesSensors, 2020
In a smoke environment, suspended particles can scatter and absorb laser photons, making target echo signals extremely weak and difficult to extract and identify, which causes obvious difficulty in fixed-distance of laser fuze.
Chengtian Song, Ying Cui, Bohu Liu
doaj   +2 more sources

Multiple Scattering-Enhanced Fluorescence Within Randomly Oriented Low-Index Polymer Nanofiber Sensors [PDF]

open access: yesBiosensors
Fluorescence enhancement technologies play a crucial role in biological and chemical sensors. Currently, effective fluorescence sensors primarily rely on noble metals and high-index dielectric nanostructures.
Jing Sun, Tao Huang, Zhongyang Wang
doaj   +2 more sources

Diffuse multiple scattering. [PDF]

open access: yesActa Crystallogr A Found Adv, 2015
A new form of diffraction lines has been identified, similar to Rutherford, Kikuchi and Kossel lines. This paper highlights some of the properties of these lines and shows how they can be used to eliminate the need for sample/source matching in Lonsdale's triple convergent line method in lattice-parameter determination.
Nisbet AG   +4 more
europepmc   +5 more sources

The MAMA Algorithm for Fast Computations of Upwelling Far- and Mid-Infrared Radiances in the Presence of Clouds

open access: yesRemote Sensing, 2023
A methodology for the computation of spectrally resolved upwelling radiances in the presence of atmospheric diffusive layers is presented. The algorithm, called MAMA (Martinazzo–Maestri), provides fast simulations over the whole longwave spectrum, with ...
Michele Martinazzo, Tiziano Maestri
doaj   +1 more source

Study of Particle Size Measurement by the Extinction Method in Flame

open access: yesEnergies, 2023
The laser extinction method (LEM) is particularly suitable for measuring particle sizes in flames because this method, which is based on the Beer–Lambert law, is non-intrusive and easy to implement.
Hengsheng Xiang   +3 more
doaj   +1 more source

Speckle-Based Sensing of Microscopic Dynamics in Expanding Polymer Foams: Application of the Stacked Speckle History Technique

open access: yesSensors, 2021
Microscopic structural rearrangements in expanding polylactide foams were probed using multiple dynamic scattering of laser radiation in the foam volume.
Dmitry Zimnyakov   +7 more
doaj   +1 more source

Multiple Scattering Tomography [PDF]

open access: yesPhysical Review Letters, 2014
Multiple scattering represents a challenge for numerous modern tomographic imaging techniques. In this Letter, we derive an appropriate line integral that allows for the tomographic reconstruction of angular resolved scattering distributions, even in the presence of multiple scattering.
Peter Modregger   +6 more
openaire   +2 more sources

Deriving Snow Depth From ICESat-2 Lidar Multiple Scattering Measurements

open access: yesFrontiers in Remote Sensing, 2022
Snow is a crucial element in the Earth’s system, but snow depth and mass are very challenging to be measured globally. Here, we provide the theoretical foundation for deriving snow depth directly from space-borne lidar (ICESat-2) snow multiple scattering
Yongxiang Hu   +21 more
doaj   +1 more source

Impact of the Scatterer Type on Ultrasound Wave Propagation in Microstructure Composites: Calculation and Application

open access: yesFrontiers in Materials, 2022
This study is motivated to quantitatively analyze the differences among various multiple scattering models to determine the role played by the scatterer type in ultrasonic wave propagation.
Yuming Yang   +3 more
doaj   +1 more source

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