Laser PhysicsCourse Description

Laser Physics
<BLOCKQUOTE>Laser Radiation and its properties.
Electromagnetic radiation
Emission and absorption of light
Einstein relation
natural line broadening, Doppler broadening, pressure broadening
small signal gain
3 level laser and 4 level laser.
laser modes
Rate equations
Q-switching
mode locking
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Laser System
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Active medium.
Excitation mechanism.
Feedback mechanism.
Atom Gas: Helium-Neon Laser (He-Ne). Ion Gas, Argon Ion Laser (Ar+).
Molecular Gas: Carbon Dioxide Laser (CO2). Nitrogen Laser (N2).
Solid State lasers: Ruby Laser. Neodimium YAG and Nd Glass Laser.
Diode Laser: (Semiconductor Laser, Injection Laser).
Liquid Laser: Dye Laser. </BLOCKQUOTE>



Laser Application

Industrial applications.
Medical applications.
Military applications.
Computer applications
Scientific research applications.
المصدر : الموقع التعليمي