21PHY12/22 MODULE 3

2021 Scheme ENGINEERING PHYSICS 21PHY12/22 Module 3 Notes (Download👇) 21PHY12/22 MODULE 3 Lasers & Optical Fibers MODULE 3 08 Hours Lasers: Interaction of radiation with matter, Einstein’s coefficients (derivation of expression for energy density). Requisites of a Laser system. Conditions for Laser action. Principle, Construction and working of CO2 and semiconductor Lasers. Application of Lasers in Defence … Read more