A pulsed laser zoom irradiation device
A pulsed laser and irradiation device technology, applied in optics, optical components, nonlinear optics, etc., can solve problems such as waveform distortion and energy loss
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[0026] The zoom irradiation of pulsed laser is to realize the irradiation that the focal spot size changes within a laser pulse time, such as figure 2 shown. Its core is to make different positions of an optical pulse have different wavefronts, so that the focal spot changes with time when focusing, which generally requires three parts: optical pulse splitting and splitting, creating holes for the split optical pulses and Image transmission, light pulse combination and imaging.
[0027] The basic concept of the present invention is: in view of the segmentation of the optical pulse waveform needs to use the electro-optical clipping switch (that is, the Pockels box and the polarizer and the polarizer in the document "Review of Scientific Instruments, 2013, 84, 013509"), that is The "polarizer-electro-optic crystal-analyzer" structure can directly use the analyzer prism as a beam splitter, and at the same time realize the beam splitting and division of the light pulse, so that ...
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