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Types of Lasers:
- Gas lasers
- Solid state lasers
- Liquid lasers
- Semiconductor lasers
Laser Hazards:
- Class 2, Class 3R, Class 3B, and Class 4 lasers
- Higher classes are hazardous
- Severe eye and skin injuries
- Diffuse reflections of Class 4 lasers are also hazardous
Laser Types and Properties:
- Laser lasing medium description: solid state, gas, excimer, dye, or semiconductor
- Fiber lasers characteristics
- Distinct lines by wavelength and tunable lasers
- Most helium-neon lasers emit at 633 nm
Laser Basics:
- Intense beams of light production
- Coherence, directionality, and monochromaticity as unique properties
- Stimulated emission process explanation
- Importance of population inversion
- Hazard classifications for consumer lasers
- Specific types described by lasing medium
- Key properties that differentiate lasers