Recap on Absorption, Spontaneous and stimulated emission. Laser principles. Passive resonator. Is a laser superior to a conventional sources? Trading spatial and temporal coherence with flux. Statistical properties of light. How to make a laser: 2/3/4 level systems. Different type of lasers, He-Ne, ruby, excimers, p-n junctions and semiconductor based photonic devices.
Nessun commento:
Posta un commento