Abstract:Results ofmvestigations on pulse lengthening of a TE-C02-laser for materials processing will be reported. The laser is used in two main modifications both working at an absolute pressure of lower than 300 mbar. With a folded resonator pulse durations up to 20 sec have been achieved. As there is no longer the initial peak but a descending saw-tooth like form, one can get mean powers up to 100 kW and maximum powers up to 300 kW. Using a so-called hybrid-resonator containing a cwCO2-laser-section,there are even b… Show more
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