Titlebook: Laser/Optoelektronik in der Technik / Laser/Optoelectronics in Engineering; Vorträge des 7 Inter Wilhelm Waidelich (o. Professor, Vorstand,

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Laser/Optoelektronik in der Technik / Laser/Optoelectronics in Engineering978-3-642-82638-2

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Pulsed High Power CO2 Lasers is the creation of processing diagrams for optimum processing-efficiency and quality /l/. The representative frequencies range from kHz (melting and capillary dynamics) to MHz (plasma propagation) /2/.

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TEA-CO2-Laser mit Vorionisierung mittels Halbleiterelektrodenisierung. Diese Vorionisierung ermöglicht nicht nur die Ausbildung der gepulsten Glimmentladung, sondern sie beeinflußt auch die Homogenität der Entladung, die maximal umsetzbare Energie und den Wirkungsgrad des Systems.

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High Frequency Excitation of CO2 LasersIn the field of material processing there is an increassing need for compact high power CO. lasers which are pulsable in the 10- or even 100 kHz range. In d.c.-excited systems compactness is limited by the achievable power density of about 10 Wcm., whereas the maximal pulse frequency does not exceed the kHz region.

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A Tentative Study of Polished Rod LaserA face polished, face pumped and face cooled slab laser in which the optical path inside the gain medium undergoes total internal reflection, the effect of the thermal-optical distortions can be reduced.. Then, a viewpoint on slab lasers having intrinsic pseudo-phase-conjugate properties was proposed and some demonstrations were given..