Basics of SemiConductor LASER Part-1
In this video basics of the semiconductor and laser related absorption and emission process are explained which are important to understand the working of a semiconductor laser. For more details…
How to Find LASER Wavelength Using a Diffraction Grating in the Lab
How to find LASER (Light Amplification by Stimulated Emission of Radiation) wavelength using a Diffraction Grating in the Lab. For this just take a LASER source, a grating (here grating…
Population Inversion in Laser
Population Inversion in Laser In this lecture population inversion is explained one of the important parts of the laser and how to achieve it, what are the possible methods are…
Ruby Laser its Construction and Working
Ruby Laser its Construction and Working Ruby laser construction and working….It is the first operating laser using three energy levels scheme of population inversion and a solid state crystal laser…
He-Ne gas Laser: Its Principle, Construction and Working
He-Ne gas Laser: Its Principle, Construction and Working The Helium-Neon laser was the first continuous laser. It was invented by Javan, Bennett and Harroit in 1961. Laser have three components…
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