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Multi-color harmonic synthesized laser system for laser processing and laser processing method using multi-color harmonic synthesized laser
Multi-color harmonic synthesized laser system for laser processing and laser processing method using multi-color harmonic synthesized laser
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机译：用于激光加工的多色谐波合成激光系统以及使用多色谐波合成激光的激光加工方法
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摘要
A multi-color harmonic synthesized laser system for laser processing and a laser processing method using multi-color harmonic synthesized laser are disclosed. The multi-color harmonic synthesized laser system includes a laser source for providing a single laser wave, a converter for converting the single laser wave into a plurality of harmonic waves with different frequencies, and a modulating unit for modulating amplitudes and relative phases of the harmonic waves to form a plurality of modulated harmonic waves, so as to synthesize the modulated harmonic waves as a single synthesized laser wave, wherein the single synthesized laser wave is focused on an object to perform a laser processing. The converter includes a plurality of non-linear crystals for converting the single laser wave into a fundamental harmonic wave and a plurality of multi-frequency harmonic waves. The harmonic waves are coherent and collinear, and the phases of the harmonic waves are related to one another.
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