What Are Lasers? A Simple Guide to How They Work & Why They Matter”

Ever wondered why laser light is so focused, powerful, and precise?

In this video, we break down the science behind lasers—what makes them different from regular light and how they power everything from surgery to sci-fi gadgets.

🔍 We explore:
• What "LASER" means: Light Amplification by Stimulated Emission of Radiation
• Population inversion & stimulated emission – how excited atoms release photons that spark a cascading photon chain
• Laser components – pump source, gain medium, and mirror resonator cavity explained
• Unique laser properties – coherence, monochromatic light, narrow beam, long-range collimation
• Types of lasers – ruby, CO₂, diode, solid-state, excimer and their common uses

🔬 **Why it matters:**
Lasers are everywhere—used in eye surgery, communications, manufacturing, even measuring the distance to the Moon!

📌 Perfect for students, hobbyists, or anyone curious about light science!

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