Laser technology

Lecturer:

Tutor:

Supervisor:

Department of Natural Sciences

Synopsis:

The subject follows the introductory course of Optics for biology and medicine. It covers the basic principles of laser functions, classification and overview of of varius types of lasers, Several selected applications are mentioned.

Requirements:

Basic familiarity with geometrical and wave optics.

Syllabus of lectures:

1. Laser scheme. Open resonator. Eigenmodes. Eigenfrequencies.

2.Resonator photon life time .Quality factor Q.Stable and unstable resonators..

3. Gaussian beam (waist, divergence)

4.Ctive medium. Set of quantum systems.

5. Interaction of electromagnetic radiation with quantum systems. Resonant transitions, Spontaneous and stimulated emission.

6.Amplification in resonanr medium. Active medium in optical resonator. Optimum coupling.

7.Homogeneous and inhomogeneous spectal line broadenning. Resonator mode selection. laser tuning.

8.Laser dynamics (cw performace, pulse generation). Rate equations. Q-switching.

9Mode-locking. Generation of femtosecond pulses.

10.Solid state lasers (ruby, Nd: YAG, Ti: sapphire). Dide pumped solid state lasers.

11. Gas lasers (molecular, atomic, ion (CO2 , He-Ne, Ar), Excimer lasers.

12.Chemical lasers. High power lasers.

13.High power pulsed lasers. Laser system for ignition of thermonuclear reaction..

14. Plasma lasers. Soft X-ray lasers

Syllabus of tutorials:

Excersises consist of seminars (S), evaluation excersises (P), excursions (E) and llaboratory excerrisesí (L)

Study Objective:

The goal of the subject is to inform potential users about laser principles and present an overview of available laser systems suitable for selected applications.

Study materials:

[1] Vrbová, M. - Jelínková, H. - Gavrilov, P.: Úvod do laserové techniky. Skriptum ČVUT Praha 1994

[2] Vrbová, M. a kol.: Oborová encyklopedie Lasery a moderní optika. Prometheus. Praha 1994

[3] Webová aplikace http://xuv.fbmi.cvut.cz/prsk

[4] Saleh, B.E.A - Teich, M.C.: Základy fotoniky - Svazek 2 a 3, Matfyzpress Praha 1994 ISBN 80-85863-00-6 or English original

[5] Svelto O.: Pronciples of Llasers, 4-th edision, Plenum Press 1998 or 5 -th edition

Note:

Further information:

http://xuv.fbmi.cvut.cz/prsk

No time-table has been prepared for this course

The course is a part of the following study plans:

• Navazující magisterský studijní obor Přístroje a metody pro biomedicínu (compulsory elective course)