00475nam a22001217a 4500020002100000020002400021082001700045100003300062245005200095260004300147300004100190650012200231  a812192071X (pbk)  a9788121920711 (pbk)  a621.366bAVA  aAvadhanulu, M.N.aP.S. Hemne  aIntroduction to lasersbtheory and applications  aNew DelhibS. Chand and Company c2019  avii, 200 p.b: ill. (Fig.)c; 24 cm.  aEngineeringaPhysicsvLasers beam characteristicsvLaser ApplicationvBasic theoryvLasers typesvLasersvFEASvRICAS