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首页> 外文期刊>Japanese journal of applied physics >Femto- and nanosecond pulse duration dependence of the single-shot ablation threshold and multiple-shot morphology change of poly L-lactic acid in deep ultraviolet regime
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Femto- and nanosecond pulse duration dependence of the single-shot ablation threshold and multiple-shot morphology change of poly L-lactic acid in deep ultraviolet regime

机译:小紫外线脉冲阈值的毫微微和纳秒和纳秒脉冲持续时间依赖性聚L-乳酸的多射流形态变化

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摘要

Laser processing is a common method used to shape various structures of biodegradable polymers. In this study, we demonstrate PLLA processing with intense deep ultraviolet (DUV) pulses at 266 nm and compare the processing properties using a nanosecond DUV laser. Results allow comparison of the single-shot ablation thresholds and multiple-shot morphology of both the femtosecond and nanosecond DUV laser. For sing-shot experiments, the ablation threshold of femtosecond laser is, at least, one order of magnitude lower than that of nanosecond laser. For multiple-shot experiments, the result provides superior quality of the crater morphology in the DUV femtosecond regime. (C) 2019 The Japan Society of Applied Physics
机译:激光加工是一种常用的方法,用于塑造可生物降解聚合物的各种结构。在该研究中,我们证明了在266nm处具有强烈深紫外(DUV)脉冲的PLLA加工,并使用纳秒DUV激光进行处理性能。结果允许比较飞秒和纳秒DUV激光器的单次消融阈值和多射流形态。对于唱歌实验,飞秒激光的消融阈值是至少比纳秒激光器低的一个量级。对于多次实验,结果提供了Duv Femtosecond制度的卓越的火山口形态。 (c)2019年日本应用物理学会

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    《Japanese journal of applied physics》 |2019年第2019期|SIIA02.1-SIIA02.5|共5页
  • 作者单位

    Natl Inst Adv Ind Sci & Technol NMIJ Res Inst Measurement & Analyt Instrumentat RIMA 1-1-1 Umezono Tsukuba Ibaraki 3058568 Japan;

    Natl Inst Adv Ind Sci & Technol NMIJ Res Inst Measurement & Analyt Instrumentat RIMA 1-1-1 Umezono Tsukuba Ibaraki 3058568 Japan;

    Natl Inst Adv Ind Sci & Technol NMIJ Res Inst Measurement & Analyt Instrumentat RIMA 1-1-1 Umezono Tsukuba Ibaraki 3058568 Japan|Natl Inst Adv Ind Sci & Technol AIST UTokyo Adv Operando Measurement Technol Open 5-1-5 Kashiwanoha Kashiwa Chiba 2778561 Japan;

    Natl Inst Adv Ind Sci & Technol NMIJ Res Inst Measurement & Analyt Instrumentat RIMA 1-1-1 Umezono Tsukuba Ibaraki 3058568 Japan|Natl Inst Adv Ind Sci & Technol AIST UTokyo Adv Operando Measurement Technol Open 5-1-5 Kashiwanoha Kashiwa Chiba 2778561 Japan;

    Natl Inst Adv Ind Sci & Technol NMIJ Res Inst Measurement & Analyt Instrumentat RIMA 1-1-1 Umezono Tsukuba Ibaraki 3058568 Japan|Natl Inst Adv Ind Sci & Technol AIST UTokyo Adv Operando Measurement Technol Open 5-1-5 Kashiwanoha Kashiwa Chiba 2778561 Japan;

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