Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Optical particle sizing in backscatter.

Nils Damaschke1, Holger Nobach, Nikolai Semidetnov

  • 1Darmstadt University of Technology, Germany. ndamasch@sla.tu-darmstadt.de

Applied Optics
|September 25, 2002
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Impact of a suspension drop onto a hot substrate: diminution of splash and prevention of film boiling.

Soft matter·2023
Same author

A method for scattering angle calibration in the rainbow region using a droplet stream.

Optics express·2022
Same author

Editorial: Topical Collection 'complex interactions with droplets'.

Experiments in fluids·2022
Same author

Ice nucleation forced by transient electric fields.

Physical review. E·2022
Same author

Planar rainbow refractometry.

Optics letters·2021
Same author

Geometric optics applied to drops passing through a focused Gaussian beam.

Applied optics·2021
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

Investigating elastic light scattering for particle analysis in backscatter revealed the phase Doppler technique

Area of Science:

  • Applied physics
  • Optical measurement techniques

Background:

  • Elastic light scattering is crucial for determining particle properties.
  • Backscatter configurations (scattering angle > 140°) present unique challenges for particle characterization.
  • Existing techniques like phase Doppler may have limitations in backscatter scenarios.

Purpose of the Study:

  • To explore the utility of elastic light scattering in the backscatter range for particle size, velocity, and refractive index determination.
  • To evaluate the suitability of the phase Doppler technique and the time-shift technique for backscatter measurements.
  • To analyze signal characteristics influenced by particle properties and suggest instrument designs.

Main Methods:

  • Numerical simulations using Lorenz-Mie theory for light scattering.

Related Experiment Videos

  • Application of Fourier-Lorenz-Mie theory to analyze the time-shift technique.
  • Investigation of signal variations based on particle size, refractive index, and ellipticity.

    • Main Results:

    • The phase Doppler technique is generally unsuitable for backscatter, except under specific conditions.
    • The time-shift technique can yield up to four distinct signals in backscatter, corresponding to different scattering orders (surface wave, reflection, second-order refraction).
    • Signal characteristics are sensitive to particle size, refractive index, and ellipticity.

    Conclusions:

    • The time-shift technique shows promise for particle characterization in backscatter.
    • Understanding the different signal modes is key to accurate particle property determination.
    • Further development of practical measurement instruments based on the time-shift technique is suggested.