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Semester (Sem)
1First Semester
2Second Semester
AAnnual course
Educational activities
CSimilar or integrative activities
Language
Course completely offered in italian
Course completely offered in english
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Innovative teaching
The credits shown next to this symbol indicate the part of the course CFUs provided with Innovative teaching.
These CFUs include:
  • Subject taught jointly with companies or organizations
  • Blended Learning & Flipped Classroom
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Course Details
Context
Academic Year 2014/2015
School School of Industrial and Information Engineering
Name (Master of Science degree)(ord. 270) - MI (424) Nuclear Engineering
Track X2N - FISICO PER I SISTEMI NUCLEARI
Programme Year 2

Course Details
ID Code 083564
Course Title PRINCIPLES AND APPLICATIONS OF LASER
Course Type Mono-Disciplinary Course
Credits (CFU / ECTS) 10.0
Semester Second Semester
Course Description 1. Introductory concepts. Fundamental processes of radiation-matter interaction. Principles of laser operation. Inversione di popolazione. Properties of laser beam. 2. Elements of quantum mechanics. Time-dependent perturbation theory. Black body. Elements of radiation-matter interactions. Spontaneous emission and non-radiative decay. Stimulated and emission and absorption of radiation, allowed optical transitions. Rabi oscillations. Cross section, absorption and gain lines. Line broadening mechanism. Saturation. 3. Elements of electromagnetic theory and optics. Paraxial diffraction, ABCD matrix analysis, Huygens-Fresnel integral, Gaussian beams and their properties. Optical resonators, modes of an optical resonator. Resonator losses and cavity photon lifetime. Stability condition. Spherical mirror resonators. 4. Continuous-wave laser behavior. Rate equations, threshold condition, laser output power and slope efficiency. Stability and relaxation oscillations. Laser tuning. Reasons for multimode oscillations and single-mode selection methods. 5. Dynamical laser behavior. Laser Q-switching. Q-switching techniques. Laser mode-locking: time-domain and frequency-domain analysis. Mode-locking techniques: active and passive mode-locking. Theory of amplitude-modulation and Kerr lens mode-locking. 6. General aspects on solid-state lasers. Optical pumping. Neodimium and Titanium:Sapphire lasers. Applications of solid-state lasers. 7. Semiconductor lasers. Fundamentals of band structure in semiconductors. Fermi level and quasi-levels. Transparency condition. Homojunction adn double-heterostructure lasers. Laser device and performances. DFB and DBR lasers. Applications of semiconductor lasers. 8. General aspects on gas lasers. Electrical pumping. He-Ne laser. Energy levels and optical transitions in molecules. CO2 lasers. Excimer lasers. 9.Properties of laser beams. Monochromaticity, temporal and spatial coherence, directionality, brightness. Comparative analysis of thermal and laser light.
Scientific-Disciplinary Sector (SSD)
Educational activities SSD Code SSD Description CFU
C
FIS/03
PHYSICS OF MATTER
10.0

Schedule, add and removeAlphabetical groupProfessorLanguageCourse details
From (included)To (excluded)
--AZZZZLonghi Stefano
manifesti v. 3.4.11 / 3.4.11
Area Servizi ICT
20/06/2021