Stimulated Emission based Devices - the LASER.

14 Outubro 2019, 15:00 • José Figueiredo

Properties of the laser light. Stimulated Emission based Devices: Optical Amplifiers and LASERS. Discussion of the need of lasers operating at 1310 nm and 1550 nm. The standard single mode optical fiber (brief introduction). LASER emission Requirements: Population inversion and a large photon concentration (the need of an optical cavity). Optical Gain. Essential parts of a laser. Laser systems of two, three and four levels. A 3-Level Laser - The Ruby laser principle of operation. A 4 Level Laser System – The He-Ne laser principle of operation.

Slides: Introduction to lasers;
Other texts (in Portuguese): Lasers and Optoelectronics; Física Experimental (Ótica: lasers, interferometria e holografia);