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196 - Lasers
Guests: Fabian Reichert Host: Markus Voelter Shownoter: Alexander Grote
In this episode we cover the fundamentals of lasers with our guest, Fabian Reichert, who works at the Center for Free Electron Lasers at DESY in Hamburg. We cover various ways of how laser beams are produced and what distinguishes lasers from other light sources. We also cover a few application areas of lasers as well as techniques for pulsing lasers.
Introduction of Fabian Reichert 00:00:51
General properties of laser light 00:01:51
Laser | Beam divergence | Gaussian beam | Wavelength | Linewidth | Cohorence | Phase | Spectral line
Laser Construction (general) 00:13:41
Spontanious emission | Absorbtion | Stimulated emission | Gain medium | Optical resonator (mirrors) | Optical pumping
History of the Laser 00:24:01
Ruby laser | Ruby laser (publication) | Fiber-optic communication
Laser Construction (specifics) 00:27:11
Lanthanide | electron laser | gas laser | Helium-neon laser | Dye laser | Fiber laser | Semiconductor laser | Excimer laser
High Power Lasers 00:36:41
Quantum defect | Optical fibre | Thin disk laser
Pulsed Operation 00:40:21
q-switching | mode locking | mode locking (images)
Applications 00:45:11
Laser pointer | non linear frequency generation | Medicine | Laser cutting | Airborne Laser | Laser projector | Alignement
Outro 01:13:10
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By Markus Voelter, Nora Ludewig
4.9
181181 ratings
Guests: Fabian Reichert Host: Markus Voelter Shownoter: Alexander Grote
In this episode we cover the fundamentals of lasers with our guest, Fabian Reichert, who works at the Center for Free Electron Lasers at DESY in Hamburg. We cover various ways of how laser beams are produced and what distinguishes lasers from other light sources. We also cover a few application areas of lasers as well as techniques for pulsing lasers.
Introduction of Fabian Reichert 00:00:51
General properties of laser light 00:01:51
Laser | Beam divergence | Gaussian beam | Wavelength | Linewidth | Cohorence | Phase | Spectral line
Laser Construction (general) 00:13:41
Spontanious emission | Absorbtion | Stimulated emission | Gain medium | Optical resonator (mirrors) | Optical pumping
History of the Laser 00:24:01
Ruby laser | Ruby laser (publication) | Fiber-optic communication
Laser Construction (specifics) 00:27:11
Lanthanide | electron laser | gas laser | Helium-neon laser | Dye laser | Fiber laser | Semiconductor laser | Excimer laser
High Power Lasers 00:36:41
Quantum defect | Optical fibre | Thin disk laser
Pulsed Operation 00:40:21
q-switching | mode locking | mode locking (images)
Applications 00:45:11
Laser pointer | non linear frequency generation | Medicine | Laser cutting | Airborne Laser | Laser projector | Alignement
Outro 01:13:10
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