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Laser diffraction analysis

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. This process does not depend on volumetric flow rate, the amount of particles that passes through a surface over time.

 
Note:   The above text is excerpted from the Wikipedia article Laser diffraction analysis, which has been released under the GNU Free Documentation License.
 

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