SubjectsSubjects(version: 845)
Course, academic year 2018/2019
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Laser Theory - NOOE034
Title in English: Teorie laseru
Guaranteed by: Department of Chemical Physics and Optics (32-KCHFO)
Faculty: Faculty of Mathematics and Physics
Actual: from 2010 to 2018
Semester: winter
E-Credits: 3
Hours per week, examination: winter s.:2/0 Ex [hours/week]
Capacity: unlimited
Min. number of students: unlimited
State of the course: taught
Language: Czech
Teaching methods: full-time
Guarantor: doc. RNDr. Tomáš Ostatnický, Ph.D.
Classification: Physics > Optics and Optoelectronics
Annotation -
Last update: doc. RNDr. Tomáš Ostatnický, Ph.D. (25.01.2007)
Theoretical description of laser using classical, semiclassical or fully quantum-mechanical theory, derivation of coupled equations. Relations between various levels of description and areas of their application. Laser stability, methods of solution of coupled equations. Sample numerical and analytical solutions of particular problems. Generation regimes of lasers, construction of laser cavities.
Course completion requirements -
Last update: doc. RNDr. Tomáš Ostatnický, Ph.D. (06.10.2017)

Oral exam.

Literature - Czech
Last update: prof. RNDr. Petr Malý, DrSc. (02.05.2019)

H. Haken: Light. Vol. 1: Waves, photons, atoms. Noth-Holland Physics Publishing, Amsterdam, 1985.

H. Haken: Light. Vol. 2: Laser light dynamics. Noth-Holland Physics Publishing, Amsterdam, 1985.

H. Haug, S. W. Koch: Quantum theory of the optical and electronic properties of semiconductors, World Scientific, Singapore, 2004.

J.-C. Diels, W. Rudolph: Ultrashort laser pulse phenomena, Elsevier, Heidelberg, 2006.

E. Hecht: Optics, Addison Wesley, San Francisco, 2002.

L. Mandel, E. Wolf: Optical coherence and quantum optics, Cambridge University Press, Cambridge, 1995.

Syllabus -
Last update: doc. RNDr. Tomáš Ostatnický, Ph.D. (10.01.2007)

1. Model of lasing device, laser cavity, modes of the cavity. Conditions of stability, Gaussian beams.

2. Classical rate equations. Laser treshold, Q-switching, relaxation oscillations.

3. Two-level model of a material, Bloch equations. Superradiance, photo echo, non-linear parametric interactions, relaxation of inversion and free polarization. Maxwell-Bloch equations, semiclassical description of the laser. Single-mode and multi-mode regimes, resonance frequency.

4. Fluctuations in quantum systems, influence of heat bath on the laser. Fully quantum descritpion.

5. Relation between different levels of description, limits for their application. Stability of the laser, typical chaacteristics of the laser output.

6. Solution of coupled equations for particular problems, mode locking, stabilization of lasers, homogeneous and inhomogeneous systems.

 
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