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LASER

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Ganapathy ThayammalMurugesan
Ganapathy ThayammalMurugesan
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LASER
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…
He-Ne LASER
CO 2LASER
Nd-YAG LASER
Semiconductor lasers
Applications Industrial Applications Lasers in welding heat treatment, cutting Medical applications Holography construction reconstruction
LASER Welding
LASER welding
LASER welding
LASER cutting
LASER defense
Air-Borne LASER
Death Ray
Holography
Hologram
Hologram
LASER show
Aqua city LASER show
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LASER