LASER

This PDF contains complete notes on the Laser Unit as per the RGPV B.Tech 1st Year syllabus.

It includes all important concepts explained in simple and easy language for better understanding and exam preparation.

Topics Covered:

• Introduction to Laser

• Spontaneous Emission, Stimulated Emission and Absorption

• Einstein’s Coefficients

• Population Inversion

• Metastable State

• Pumping Methods

• Principle and Working of Laser

• Ruby Laser

• He-Ne Laser

• Semiconductor Laser

• Applications of Laser

• Advantages and Characteristics of Laser