PH4271 Laser Physics
Review of atomic and molecular energy levels, time-dependent perturbation theory, radiative transitions, transition rates. Einstein A and B coefficients for spontaneous and stimulated radiative transitions, blackbody radiation. Optical attenuation and amplification, rate equations. Basic laser theory, gain saturation, homogeneous and inhomogeneous effects. Optical resonators, laser modes, coherence. Q-switching, mode locking, pulse compression, laser pumping, and tuning mechanisms. Gaussian beams. Introduction to multiple-mode and single mode optical fibers.
Lecture Hours
4
Lab Hours
1