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Laser & Fiber optics (LASER (Applications (Medical, Military,…
Laser & Fiber optics
LASER
Fundamentals of LASER
Amplification
Pump
electric
Optical
Active medium
Gas
Excimer
Dye
Semiconductor
Solid-state
Cavity/Resonator
Fabry-perot
Modes
Light matter interaction
Stimulated emission
Spontaneous emission
Absorption
Population inversion
Gain & Gain saturation
Unique properties
Temporal coherence
Polarization
Spatial Coherence
Types of LASER
Based on amplification medium
Based on duration: pulsed/CW
Continuous wave (CW)
Single pulsed (normal mode)
Single pulsed Q-switched
Repetitively pulsed
Mode locked
Based on power/hazard
Class 1,1M
Class 2, 2M
Class 3, 3R, 3b
Class 4
Applications
Medical
Military
Industrial/Commercial/Entertainment
Scientific
Fiber optics
Application
Principle