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What is Laser Wavelength and Particle Size Measurement about?

This document describes an experiment to determine the wavelength of a laser and the particle size of a fine powder. To measure the laser wavelength, the laser beam is diffracted by a grating and the angles of diffraction are used in the grating equation. To measure particle size, laser light is diffracted by dusted powder, creating concentric rings on a screen. The radii of the rings and laser wavelength are used to calculate particle size via a diffraction equation. Measurements of diffraction spot positi

Author

Ravi Kanth M N

Language

EN