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Learn about the construction and working principles of the Helium-Neon (He-Ne) laser, a common gas state laser, in this 16-minute educational video. Explore the fundamental physics behind this important laser technology, which is relevant for engineering physics curricula. The content covers essential concepts for students pursuing BSc, BTech degrees and those preparing for competitive exams like GATE, UPSC, NDA, NTA, Medical entrance tests, and CUET UG.
