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SYSTEMS FOR AND METHODS OF FORMING MICRO-HOLES IN GLASS-BASED OBJECTS USING AN ANNULAR VORTEX LASER BEAM
SYSTEMS FOR AND METHODS OF FORMING MICRO-HOLES IN GLASS-BASED OBJECTS USING AN ANNULAR VORTEX LASER BEAM
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机译:使用环形涡激光束在玻璃基物体中形成微孔的系统和方法
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摘要
The systems and methods disclosed herein utilize a beam-forming system configured to convert a Gaussian laser beam into an annular vortex laser beam having a relatively large depth of focus, which enables the processing of thick or stacked glass-based objects annular laser beam is defined in part by a topological charge m that defines an amount of rotation of the annular vortex beam around its central axis as it propagates annular vortex beam is used to form micro-holes in a glass-based object using either a one-step or a two-step method micro-holes formed by either process can be in the form of recesses or through-holes, depending on the application size of the micro-holes can be controlled by controlling the size of the annular vortex beam over the depth of focus range.
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