Laser beams, explained by RP Photonics Encyclopedia; Gaussian, coherence, beam quality, divergence, polarization
LASER BEAM What is LASER BEAM ? The term laser is an acronym for Light Amplification by Stimulated Emission of Radiation. A laser beam is a powerful, - ppt download
How do lasers work? | Who invented the laser?
60 years of laser technology
Laser beam
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