Ls 13 320 particle size analyzer.
Laser diffraction particle size analyzer working principle.
Large particles scatter light at small angles relative to the laser beam and small particles scatter light at large angles as illustrated below.
At its very most basic laser diffraction is about the relationship between particle size and the angle and intensity of scattered light.
A typical laser diffraction optical system will include.
It works on the principle that when a beam of light a laser is scattered by a group of particles the angle of light scattering is inversely proportional to particle size ie.
80 photodetectors covering an approximate angular range of 0 170 degrees.
Hundreds of refinements to the basic design have been included to improve performance and usability.
The ls 13 320 series is the most versatile and sophisticated laser diffraction particle sizing analyzer available today.
Every analyzer from the very first commercial prototype to the state of the art la 960 utilizes this principle.
The principle of laser diffraction is the relationship that exists between light scattering its angle and intensity and particle size.
The la 960 particle size analyzer represents the tenth generation laser diffraction instrument designed by horiba.
As a technique that measures particle size distribution for both wet and dry dispersions it offers many advantages including a high level of precision fast response.
A guide to understanding laser diffraction principles theory.
Laser diffraction has become one of the most commonly used particle sizing methods especially for particles in the range of 0 5 to 1000 microns.
Laser diffraction measures particle size distributions by measuring the angular variation in intensity of light scattered as a laser beam passes through a dispersed particulate sample.
Very high quality lenses mirrors and glass measurement cell.
978 0 521 04461 5 principles methods and application of particle size analysis.
Particle sizing by laser diffraction.
Two light sources at different wavelengths.
Laser diffraction analysis also known as laser diffraction spectroscopy is a technology that utilizes diffraction patterns of a laser beam passed through any object ranging from nanometers to millimeters in size to quickly measure geometrical dimensions of a particle.
Laser diffraction has emerged as one of the most important and effective techniques in the world of particle size analysis thanks to its fast non destructive properties its suitability for a broad range of particle sizes and its ability to be fully automated.
The larger the particle the smaller the angle and the higher the intensity of the scattering.
