| Influence of scanning velocity on femtosecond laser direct writing lines on FOTURAN glass |
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| 作者单位： | Ultrafast Laser Laboratory School of Precision Instruments and Optoeletronics Engineering Key Laboratory of Optoelectronic Information Technical Science，Ministry of Education，Tianjin University，Ultrafast Laser Laboratory，School of Precision Instruments and Optoeletronics Engineering Key Laboratory of Optoelectronic Information Technical Science，Ministry of Education，Tianjin University，Ultrafast Laser Laboratory，School of Precision Instruments and Optoeletronics Engineering Key Laboratory of Optoelectronic Information Technical Science，Ministry of Education，Tianjin University，Electronic Engineering Department，Tianjin University of Technology and Education，Ultrafast Laser Laboratory，School of Precision Instruments and Optoeletronics Engineering Key Laboratory of Optoelectronic Information Technical Science，Ministry of Education，Tianjin University，Ultrafast Laser Laboratory，School of Precision Instruments and Optoeletronics Engineering Key Laboratory of Optoelectronic Information Technical Science，Ministry of Education，Tianjin University，Tianjin 300072，Tianjin 300072，Tianjin 300072，Tianjin 300222，Tianjin 300072，Tianjin 300072 |
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| 摘 要： | ![]()
Lines are induced on the surface of a photosensitive(FOTURAN)glass by focused femtosecond laser transverse writing with scanning velocity in a wide range of 40-1800μm/s.The formed lines are analyzed using scanning electron microscope(SEM)and optical microscope(OM).It is observed that three distinct morphologies of lines are produced depending on the scanning velocity.Lines written in low velocity level (40-100μm/s)and high velocity level(1000-1800μm/s)are uniform and regular,while those written in moderate velocity level(150-600μm/s)are rough.The influence of scanning velocity is explained based on different pulses overlapping or cumulative dose of laser exposure in irradiated area.Fabrication of shallow groove on the surface is also demonstrated.
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