12 May 2015 AOM optimization with ultra stable high power CO2 lasers for fast laser engraving
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Abstract
A new ultra stable CO2 laser in carbon fibre resonator technology with an average power of more than 600W has been developed especially as basis for the use with AOMs. Stability of linear polarisation and beam pointing stability are important issues as well as appropriate shaping of the incident beam. AOMs are tested close to the laser-induced damage threshold with pulses on demand close to one megahertz. Transversal and rotational optimization of the AOMs benefits from the parallel-kinematic principle of a hexapod used for this research.
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Markus Bohrer, "AOM optimization with ultra stable high power CO2 lasers for fast laser engraving", Proc. SPIE 9513, High-Power, High-Energy, and High-Intensity Laser Technology II, 95130H (12 May 2015); doi: 10.1117/12.2179040; https://doi.org/10.1117/12.2179040
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