Posts

Four Level Pumping in Laser

Three level pumping in Laser

Two Level Pumping in Laser

Absorption, Spontaneous Emission and Stimulated Emission of Radiation

Einstein Coefficient Relation

Laser and properties of a Laser beam

Missing Order in double slit diffraction pattern

Diffraction due to a plane diffraction grating or N- Parallel slits

Fraunhofer diffraction due to a double slit

Dispersive power of plane diffraction grating and its expression

Fraunhofer diffraction due to a single slit

Interference of light and classification of Interference

Newton's rings in reflected monochromatic light