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Simulation of resonant microfabrication of the PLA film by single mid-infrared femtosecond laser pulse

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Abstract

Recently the dynamics of the resonant ablation of polymers and toluene employing mid-infrared femtosecond laser (fs laser) has been calculated by using the fluid equations. The advantages and shortcomings of the mid-infrared fs laser resonant ablation have been discussed. The results indicated that the mid-infrared fs laser is a powerful tool for removing a polymer coating on the substrate made of another polymer due to good wavelength selectivity. In this paper we studied the resonant ablation processes of polymer coatings with ultrahigh molecular weight. The influence of the initial temperature was discussed and the selection rules of laser parameters were given. We also discussed how to make hollow patterns in a polymer film, and the results demonstrated the acceleration of the ablation process caused by suspending the film.

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Acknowledgments

This work was supported by National Natural Science Foundation of China(Grant No. 61275131).

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Authors and Affiliations

  1. Ultrafast Laser Laboratory, Key Laboratory of Opto-electronic Information Technology (Ministry of Education), College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin , 300072, China

    Dongqing Pang, Yunxuan Li, Shutong He & Qingyue Wang

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  1. Dongqing Pang
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  2. Yunxuan Li
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  3. Shutong He
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  4. Qingyue Wang
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Correspondence to Dongqing Pang.

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Pang, D., Li, Y., He, S. et al. Simulation of resonant microfabrication of the PLA film by single mid-infrared femtosecond laser pulse. Opt Quant Electron 47, 603–611 (2015). https://doi.org/10.1007/s11082-014-9936-9

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  • DOI: https://doi.org/10.1007/s11082-014-9936-9

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