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What is Ruby Laser: Construction and Principles about?

The ruby laser consists of a ruby rod surrounded by a flash tube within a glass tube. The rod contains chromium ions that are pumped from level E1 to the metastable level E2, achieving population inversion. Photons emitted through stimulated emission are reflected within the rod to produce a coherent beam. The helium-neon laser consists of a gas mixture within a tube with mirrors. Helium atoms excite neon atoms to the metastable level through collisions, achieving population inversion. Stimulated emission

Author

farhan.anjum20032004

Language

EN