3D-shape recognition and size measurement of irregular rough particles using multi-views interferometric out-of-focus...

Area of Science:

• Physics
• Materials Science
• Optics

Background:

• Characterizing the 3D morphology of irregular particles is crucial in fields like materials science and fluid dynamics.
• Traditional methods for particle shape and orientation analysis can be complex and time-consuming.

Purpose of the Study:

• To develop and demonstrate a simplified tomography method for analyzing irregular rough particles.
• To determine the global 3D-shape, dimensions, and 3D-orientation of particles with complex morphologies.

Main Methods:

• Utilizing interferometric out-of-focus imaging.
• Employing a simplified tomography approach with two angles of view.
• Analyzing particle morphologies including sticks, plates, and crosses.

Main Results:

• Successfully determined the 3D shape, dimensions, and orientation of irregular rough particles.
• Demonstrated the efficacy of the simplified tomography technique for complex particle shapes.
• Validated the method for particle families such as sticks, plates, and crosses.

Conclusions:

• Simplified tomography with interferometric out-of-focus imaging offers an efficient method for 3D particle characterization.
• The technique provides valuable data on particle shape and orientation, applicable to various scientific domains.
• This approach simplifies complex tomography experiments for analyzing irregular microparticles.