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Workpiece processing system using a common imaged optical assembly to shape the spatial distributions of light energy of multiple laser beams
Workpiece processing system using a common imaged optical assembly to shape the spatial distributions of light energy of multiple laser beams
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机译:使用通用成像光学组件的工件加工系统,可对多个激光束的光能的空间分布进行整形
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摘要
A workpiece processing system employs a common modular imaged optics assembly and an optional variable beam expander for optically processing multiple laser beams. In one embodiment, a laser and a fixed beam expander cooperate to produce a laser beam that propagates through a beam switching device to produce multiple laser beams that propagate along separate propagation path portions and subsequently merge into a common path portion through an imaged optics assembly and optional variable expander. The beam expander sets the shape of the laser beams in the form of a Gaussian spatial distribution of light energy. The imaged optics assembly shapes the Gaussian spatial distribution of the laser beams to form output beams of uniform spatial distribution. In an alternative embodiment, the beam switching device is removed and the laser beams propagate from separate laser sources associated with separate optional beam expanders.
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