Class notes
Physics notes
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Uploaded on
24-11-2025
Written in
2025/2026
The document gives a clear overview of how lasers work, covering absorption, spontaneous and stimulated emission, population inversion, and the role of the resonant cavity. It explains the key features of laser light—coherence, monochromaticity, directionality, and high intensity—and includes brief examples of common lasers. It’s a crisp, exam-focused summary of the core ideas in laser physics.
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- Physics
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Document information
- Uploaded on
- November 24, 2025
- Number of pages
- 40
- Written in
- 2025/2026
- Type
- Class notes
- Professor(s)
- Mb
- Contains
- All classes
Subjects
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laser
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atom emissions
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lasers types
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he ne laser
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ruby laser
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