Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Colloids

Colloids

Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible to the naked eye or can be seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. On the other hand, a solution is a homogeneous mixture in which no settling occurs and in which the dissolved...

The Colloidal State

The Colloidal State

The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called the...

Colloids and Suspensions

Colloids and Suspensions

Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles visible to the naked eye or seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. The suspended particles in a suspension settle out after some time of mixing. The separation of particles from a suspension is...

Colloidal precipitates

Colloidal precipitates

The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...

You might also read

Related Articles

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

Sort by

Same author

Observation of photon-photon thermodynamic processes under negative optical temperature conditions.

Science (New York, N.Y.)·2023

Same author

Searching for Chameleon Dark Energy with Mechanical Systems.

Physical review letters·2022

Same author

Linear response theory of open systems with exceptional points.

Nature communications·2022

Same author

Topological modes in a laser cavity through exceptional state transfer.

Science (New York, N.Y.)·2022

Same author

Airy light-sheet Raman imaging.

Optics express·2021

Same author

Nonlinear scattering by non-Hermitian multilayers with saturation effects.

Physical review. E·2021

Search research articles

Related Experiment Video

Updated: Jun 22, 2026

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

Nonlinear optical response of colloidal suspensions.

W M Lee¹, R El-Ganainy, D N Christodoulides

¹SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews, Fife, United Kingdom. wml6@st-andrews.ac.uk

|June 10, 2009

Summary

Researchers tested models for nonlinear optical response in nano-colloidal suspensions. The non-ideal gas model best matched experimental results, allowing calculation of key material properties.

More Related Videos

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Published on: July 18, 2014

Synthesis and Characterization of Supramolecular Colloids

Synthesis and Characterization of Supramolecular Colloids

Published on: April 22, 2016

Related Experiment Videos

Last Updated: Jun 22, 2026

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Quantitative and Qualitative Examination of Particle-particle Interactions Using Colloidal Probe Nanoscopy

Published on: July 18, 2014

Synthesis and Characterization of Supramolecular Colloids

Synthesis and Characterization of Supramolecular Colloids

Published on: April 22, 2016

Area of Science:

Nonlinear optics
Colloidal science
Materials science

Background:

Understanding nonlinear optical properties of nano-colloidal suspensions is crucial for applications.
Existing theoretical models (exponential, artificial Kerr, non-ideal gas) require experimental validation.

Purpose of the Study:

To experimentally evaluate theoretical models describing the nonlinear optical response of aqueous nano-colloidal suspensions.
To identify the most accurate model for predicting this behavior.

Main Methods:

Experimental measurement of nonlinear optical response in aqueous nano-colloidal suspensions.
Comparison of experimental data with predictions from three distinct theoretical models.

Main Results:

The non-ideal gas model demonstrated the best agreement with the experimental data.
The validated non-ideal gas model enables inference of the second virial coefficient and nonlinear coefficients.

Conclusions:

The non-ideal gas model is a suitable theoretical framework for describing the nonlinear optical response of colloidal suspensions.
This study provides a method for determining fundamental material properties from nonlinear optical measurements.