Posts

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