Formation of Nano- and Micro-Scale Surface Features Induced by Long-Range Femtosecond Filament Laser Ablation
In this work, we study the characteristics of femtosecond-filament-laser–matter interactions and laser-induced periodic surface structures (LIPSS) at a beam-propagation distance up to 55 m. The quantification of the periodicity of filament-induced self-organized surface structures was accomplished b...
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| Format: | Article |
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MDPI AG
2022-07-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/12/14/2493 |
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| author | Joerg Schille Jose R. Chirinos Xianglei Mao Lutz Schneider Matthias Horn Udo Loeschner Vassilia Zorba |
| author_facet | Joerg Schille Jose R. Chirinos Xianglei Mao Lutz Schneider Matthias Horn Udo Loeschner Vassilia Zorba |
| author_sort | Joerg Schille |
| collection | DOAJ |
| description | In this work, we study the characteristics of femtosecond-filament-laser–matter interactions and laser-induced periodic surface structures (LIPSS) at a beam-propagation distance up to 55 m. The quantification of the periodicity of filament-induced self-organized surface structures was accomplished by SEM and AFM measurements combined with the use of discrete two-dimensional fast Fourier transform (2D-FFT) analysis, at different filament propagation distances. The results show that the size of the nano-scale surface features increased with ongoing laser filament processing and, further, periodic ripples started to form in the ablation-spot center after irradiation with five spatially overlapping pulses. The effective number of irradiating filament pulses per spot area affected the developing surface texture, with the period of the low spatial frequency LIPSS reducing notably at a high pulse number. The high regularity of the filament-induced ripples was verified by the demonstration of the angle-of-incidence-dependent diffraction of sunlight. This work underlines the potential of long-range femtosecond filamentation for energy delivery at remote distances, with suppressed diffraction and long depth focus, which can be used in biomimetic laser surface engineering and remote-sensing applications. |
| first_indexed | 2024-03-09T13:15:11Z |
| format | Article |
| id | doaj.art-1adee794870047568e7810447b4e42f3 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-09T13:15:11Z |
| publishDate | 2022-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-1adee794870047568e7810447b4e42f32023-11-30T21:36:32ZengMDPI AGNanomaterials2079-49912022-07-011214249310.3390/nano12142493Formation of Nano- and Micro-Scale Surface Features Induced by Long-Range Femtosecond Filament Laser AblationJoerg Schille0Jose R. Chirinos1Xianglei Mao2Lutz Schneider3Matthias Horn4Udo Loeschner5Vassilia Zorba6Laserinstitut Hochschule Mittweida, University of Applied Sciences Mittweida, Technikumplatz 17, 09648 Mittweida, GermanyLawrence Berkeley National Laboratory, Berkeley, CA 94720, USALawrence Berkeley National Laboratory, Berkeley, CA 94720, USALaserinstitut Hochschule Mittweida, University of Applied Sciences Mittweida, Technikumplatz 17, 09648 Mittweida, GermanyLaserinstitut Hochschule Mittweida, University of Applied Sciences Mittweida, Technikumplatz 17, 09648 Mittweida, GermanyLaserinstitut Hochschule Mittweida, University of Applied Sciences Mittweida, Technikumplatz 17, 09648 Mittweida, GermanyLawrence Berkeley National Laboratory, Berkeley, CA 94720, USAIn this work, we study the characteristics of femtosecond-filament-laser–matter interactions and laser-induced periodic surface structures (LIPSS) at a beam-propagation distance up to 55 m. The quantification of the periodicity of filament-induced self-organized surface structures was accomplished by SEM and AFM measurements combined with the use of discrete two-dimensional fast Fourier transform (2D-FFT) analysis, at different filament propagation distances. The results show that the size of the nano-scale surface features increased with ongoing laser filament processing and, further, periodic ripples started to form in the ablation-spot center after irradiation with five spatially overlapping pulses. The effective number of irradiating filament pulses per spot area affected the developing surface texture, with the period of the low spatial frequency LIPSS reducing notably at a high pulse number. The high regularity of the filament-induced ripples was verified by the demonstration of the angle-of-incidence-dependent diffraction of sunlight. This work underlines the potential of long-range femtosecond filamentation for energy delivery at remote distances, with suppressed diffraction and long depth focus, which can be used in biomimetic laser surface engineering and remote-sensing applications.https://www.mdpi.com/2079-4991/12/14/2493filamentfemtosecond laserlaser ablationLIPSSripplesurface texturing |
| spellingShingle | Joerg Schille Jose R. Chirinos Xianglei Mao Lutz Schneider Matthias Horn Udo Loeschner Vassilia Zorba Formation of Nano- and Micro-Scale Surface Features Induced by Long-Range Femtosecond Filament Laser Ablation Nanomaterials filament femtosecond laser laser ablation LIPSS ripple surface texturing |
| title | Formation of Nano- and Micro-Scale Surface Features Induced by Long-Range Femtosecond Filament Laser Ablation |
| title_full | Formation of Nano- and Micro-Scale Surface Features Induced by Long-Range Femtosecond Filament Laser Ablation |
| title_fullStr | Formation of Nano- and Micro-Scale Surface Features Induced by Long-Range Femtosecond Filament Laser Ablation |
| title_full_unstemmed | Formation of Nano- and Micro-Scale Surface Features Induced by Long-Range Femtosecond Filament Laser Ablation |
| title_short | Formation of Nano- and Micro-Scale Surface Features Induced by Long-Range Femtosecond Filament Laser Ablation |
| title_sort | formation of nano and micro scale surface features induced by long range femtosecond filament laser ablation |
| topic | filament femtosecond laser laser ablation LIPSS ripple surface texturing |
| url | https://www.mdpi.com/2079-4991/12/14/2493 |
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