Tutorial 4

LASCAD Tutorial No. 4: Dynamic analysis of multimode competition and Q-Switch operation Revised: January 19, 2009 © Copyright 2009 LAS-CAD GmbHTable of Contents 1 1 Introduction................................................................................................................................. 3 2 Modeling Laser power output, mode competition, beam quality for cw operation .................... 4 2.1 Tab Gaussian Modes............................................................................................................ 4 2.2 Tab Rate Equations..... 4 2.3 Tab CW Operation............................................................................................................... 5 2.4 Beam Quality....................................................................................................................... 5 2.5 Results.................................................................................................................................. 5 3 Modeling of Q-Switch Operation................................................................................................ 8 3.1 CW Pumping....... 8 3.2 Results for CW Pumping ..................................................................................................... 9 3.3 Pulsed Pumping.................................................................................................................. 10 4 Modeling the Effect of Apertures................................ ...