Generation of flat-top pulse by means of
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Guohua Liu; Rongrong Xu; Hanping Wu; Wenbing Yu
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Article
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2011
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Elsevier Science
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English
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A simple method for generating flat-top pulse by means of step gratings is presented. Flat-top pulse specifications depend on the structural parameters of the step gratings. The results show that a short Gaussian-shaped femtosecond laser pulse can be shaped to be a long flat-top pulse by ensuring su