LASER

LASER

Einstein Coefficient Relation

Einstein Coefficient Relation derivation and discussion:Einstein showed the interaction of radiation with the matter with the help of three processes called stimulated absorption, spontaneous emission,

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How does a laser work

One must have seen and if not seen then must have heard the term laser. But if you have seen the laser light emitting from

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Meaning of Holography

The word holography originates from the Greek words “holos” (complete) and “graphos” (writing). Thus, it is the technique to record the complete picture of an

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Applications of lasers

Lasers have applications in almost every field like medicine, industry, communication, and science and technology. These applications are due to the directional, coherent, and monochromatic

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