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<p>Creating course page via bot</p> <p><b>New page</b></p><div>{{Infobox Course<br /> | code = pYL655<br /> | name = Laser physics<br /> | credits = 3<br /> | credit_structure = 3-0-0<br /> | pre_requisites = PYL560<br /> | overlaps = <br /> }}<br /> <br /> == pYL655 : Laser physics ==<br /> Introduction. Physics of interaction between Radiation and Atomic systems including: Stimulated emission, emission line shapes and dispersion effects. Gain saturation in laser media and theory of Fabry-Perot laser. Techniques for the control of laser output employing Q- switching, mode-locking and mode-dumping. Optical cavity design and laser stability criteria. Description of common types of conventional lasers. Physics of semiconducting optical materials, degenerate semiconductors and their Homo-junctions and Hetero-junctions. Light emitting diodes (LED&#039;s) junction lasers. Characteristics of diode laser arrays and applications.</div>

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