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

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• 作者：Dongqing Pang (1)
  Yunxuan Li (1)
  Shutong He (1)
  Qingyue Wang (1)
  
  1. Ultrafast Laser Laboratory ; Key Laboratory of Opto-electronic Information Technology (Ministry of Education) ; College of Precision Instrument and Optoelectronics Engineering ; Tianjin University ; Tianjin聽 ; 300072 ; China
  
• 关键词：Femtosecond laser ; Resonant ablation ; PLA
• 刊名：Optical and Quantum Electronics
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：47
• 期：3
• 页码：603-611
• 全文大小：357 KB
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  3. Bubb, D.M, Papantonakis, M.R., Horwitz J.S., Haglund Jr , R.F., Toftmann, B., McGill, R.A., Chrisey, D.B.: Vapor deposition of polystyrene thin films by intense laser vibrational excitation. Chem. Phys. Lett. 352, 135鈥?39 (2002)
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  14. Pang, D., Li, Y., Wang, Q.: Dynamics of mid-infrared femtosecond laser resonant ablation. Appl. Phys. A doi:10.1007/s00339-013-8144-y
  15. Strobl, G.: The Physics of Polymers. Springer, Berlin (2007)
  16. Torres, R.D., Johnson S.L., Haglund Jr., R.F., Hwang, J., Burn, P.L., Holloway, P.H.: Mechanisms of resonant infrared matrix-assisted pulsed laser evaporation. Crit. Rev. Solid State Mater. Sci. 36, 16鈥?5 (2011)
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• 刊物主题：Optics, Optoelectronics, Plasmonics and Optical Devices; Electrical Engineering; Characterization and Evaluation of Materials; Computer Communication Networks;
• 出版者：Springer US
• ISSN：1572-817X

文摘

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.