Throughput Improvement in Femtosecond Laser Ablation of Nickel by Double Pulses

In this study, femtosecond laser double pulses were tested to improve their nickel ablation efficiency. The experimental results indicated that compared with single pulses, double pulses with different delay times generated craters with larger diameters and depths. The results obtained for three set...

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Autores principales:	Kunpeng Chu, Baoshan Guo, Lan Jiang, Yanhong Hua, Shuai Gao, Jingang Jia, Ningwei Zhan
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	femtosecond laser double pulses nickel two-temperature model Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/7e00c44856da4996afa9dd675e24af51
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spelling	oai:doaj.org-article:7e00c44856da4996afa9dd675e24af512021-11-11T17:55:26ZThroughput Improvement in Femtosecond Laser Ablation of Nickel by Double Pulses10.3390/ma142163551996-1944https://doaj.org/article/7e00c44856da4996afa9dd675e24af512021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6355https://doaj.org/toc/1996-1944In this study, femtosecond laser double pulses were tested to improve their nickel ablation efficiency. The experimental results indicated that compared with single pulses, double pulses with different delay times generated craters with larger diameters and depths. The results obtained for three sets of double pulses with different energy ratios indicated that double pulses with an energy ratio of 1:9 had the highest ablation efficiency, followed by those with energy ratios of 2:8 and 5:5. The double pulses with the aforementioned three energy ratios achieved the maximum ablation efficiency when the delay time was 3–4 ps. Compared with single pulses, double pulses with an energy ratio of 1:9 generated craters with an up to 34% greater depth and up to 14% larger diameter. In addition, an interference effect was observed with a double pulse delay time of 0 ps, which has seldom been reported in the literature. The double pulses were simulated using the two-temperature model. The simulation results indicated that double pulses with an energy ratio of 1:9 with a delay time of 4 ps can perform the strongest ablation. These simulation results are in line with the experimental results.Kunpeng ChuBaoshan GuoLan JiangYanhong HuaShuai GaoJingang JiaNingwei ZhanMDPI AGarticlefemtosecond laserdouble pulsesnickeltwo-temperature modelTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6355, p 6355 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	femtosecond laser double pulses nickel two-temperature model Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	femtosecond laser double pulses nickel two-temperature model Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Kunpeng Chu Baoshan Guo Lan Jiang Yanhong Hua Shuai Gao Jingang Jia Ningwei Zhan Throughput Improvement in Femtosecond Laser Ablation of Nickel by Double Pulses
description	In this study, femtosecond laser double pulses were tested to improve their nickel ablation efficiency. The experimental results indicated that compared with single pulses, double pulses with different delay times generated craters with larger diameters and depths. The results obtained for three sets of double pulses with different energy ratios indicated that double pulses with an energy ratio of 1:9 had the highest ablation efficiency, followed by those with energy ratios of 2:8 and 5:5. The double pulses with the aforementioned three energy ratios achieved the maximum ablation efficiency when the delay time was 3–4 ps. Compared with single pulses, double pulses with an energy ratio of 1:9 generated craters with an up to 34% greater depth and up to 14% larger diameter. In addition, an interference effect was observed with a double pulse delay time of 0 ps, which has seldom been reported in the literature. The double pulses were simulated using the two-temperature model. The simulation results indicated that double pulses with an energy ratio of 1:9 with a delay time of 4 ps can perform the strongest ablation. These simulation results are in line with the experimental results.
format	article
author	Kunpeng Chu Baoshan Guo Lan Jiang Yanhong Hua Shuai Gao Jingang Jia Ningwei Zhan
author_facet	Kunpeng Chu Baoshan Guo Lan Jiang Yanhong Hua Shuai Gao Jingang Jia Ningwei Zhan
author_sort	Kunpeng Chu
title	Throughput Improvement in Femtosecond Laser Ablation of Nickel by Double Pulses
title_short	Throughput Improvement in Femtosecond Laser Ablation of Nickel by Double Pulses
title_full	Throughput Improvement in Femtosecond Laser Ablation of Nickel by Double Pulses
title_fullStr	Throughput Improvement in Femtosecond Laser Ablation of Nickel by Double Pulses
title_full_unstemmed	Throughput Improvement in Femtosecond Laser Ablation of Nickel by Double Pulses
title_sort	throughput improvement in femtosecond laser ablation of nickel by double pulses
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/7e00c44856da4996afa9dd675e24af51
work_keys_str_mv	AT kunpengchu throughputimprovementinfemtosecondlaserablationofnickelbydoublepulses AT baoshanguo throughputimprovementinfemtosecondlaserablationofnickelbydoublepulses AT lanjiang throughputimprovementinfemtosecondlaserablationofnickelbydoublepulses AT yanhonghua throughputimprovementinfemtosecondlaserablationofnickelbydoublepulses AT shuaigao throughputimprovementinfemtosecondlaserablationofnickelbydoublepulses AT jingangjia throughputimprovementinfemtosecondlaserablationofnickelbydoublepulses AT ningweizhan throughputimprovementinfemtosecondlaserablationofnickelbydoublepulses
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Throughput Improvement in Femtosecond Laser Ablation of Nickel by Double Pulses

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