The History of LASER Introduction Principle of Spontaneous emission and stimulated emission. Population inversion, pumping. Einsteins A and B coeffcients.

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Presentation transcript:

The History of LASER

Introduction

Principle of Spontaneous emission and stimulated emission. Population inversion, pumping. Einsteins A and B coeffcients derivation.

Types of lasers Solid state LASER : Nd:YAG laser, Ruby LASER Gas LASER : He-Ne LASER, CO 2 LASER Liquid /Dye LASER : Coumarin dye laser, europium chelate laser Semiconductor LASER : GaAs,GaAsP,GaAsAl…

Applications Industrial Applications Lasers in welding heat treatment, cutting Medical applications Holography construction reconstruction

LASER Welding

LASER welding

LASER cutting

LASER defense

Air-Borne LASER

Death Ray

Holography

Hologram

LASER show

Aqua city LASER show

Thank you for your patience

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