البداية


Course Description

Essential

Lectures

Glossary

Links

 

 


The Course is divided into three major parts as follow


Laser Physics

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


Laser System

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.


Laser Application

Industrial applications.
Medical applications.
Military applications.
Computer applications
Scientific research applications.

 

 


 

 
  
  

 

/

 

 

جميع الحقوق محفوظة لدى موقع الفيزياء التعليمي 2006-2001
All rights reserved to the physics education center 2001-2006