Pulse repetition-rate effect on the intensity inside a femtosecond laser filament in air
As intense, ultrashort, kHz-repetition-rate laser systems become commercially available, pulse cumulative effects are critical for laser filament-based applications. In this work, the pulse repetition-rate effect on femtosecond laser filamentation in air was investigated both numerically and experim...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Cambridge University Press
2023-01-01
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| Series: | High Power Laser Science and Engineering |
| Subjects: | |
| Online Access: | https://www.cambridge.org/core/product/identifier/S2095471923000312/type/journal_article |
| _version_ | 1797789218553987072 |
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| author | Fukang Yin Juan Long Yaoxiang Liu Yingxia Wei Bin Zhu Kainan Zhou Tie-Jun Wang Yuxin Leng Ruxin Li |
| author_facet | Fukang Yin Juan Long Yaoxiang Liu Yingxia Wei Bin Zhu Kainan Zhou Tie-Jun Wang Yuxin Leng Ruxin Li |
| author_sort | Fukang Yin |
| collection | DOAJ |
| description | As intense, ultrashort, kHz-repetition-rate laser systems become commercially available, pulse cumulative effects are critical for laser filament-based applications. In this work, the pulse repetition-rate effect on femtosecond laser filamentation in air was investigated both numerically and experimentally. The pulse repetition-rate effect has negligible influence at the leading edge of the filament. Clear intensity enhancement from a high-repetition pulse is observed at the peak and tailing edge of the laser filament. As the repetition rate of the laser pulses increases from 100 to 1000 Hz, the length of the filament extends and the intensity inside the filament increases. A physical picture based on the pulse repetition-rate dependent ‘low-density hole’ effect on filamentation is proposed to explain the obtained results well. |
| first_indexed | 2024-03-13T01:47:35Z |
| format | Article |
| id | doaj.art-6fcfc862dae8463c96524320c32c849e |
| institution | Directory Open Access Journal |
| issn | 2095-4719 2052-3289 |
| language | English |
| last_indexed | 2024-03-13T01:47:35Z |
| publishDate | 2023-01-01 |
| publisher | Cambridge University Press |
| record_format | Article |
| series | High Power Laser Science and Engineering |
| spelling | doaj.art-6fcfc862dae8463c96524320c32c849e2023-07-03T05:11:46ZengCambridge University PressHigh Power Laser Science and Engineering2095-47192052-32892023-01-011110.1017/hpl.2023.31Pulse repetition-rate effect on the intensity inside a femtosecond laser filament in airFukang Yin0https://orcid.org/0000-0002-9182-4675Juan Long1Yaoxiang Liu2Yingxia Wei3Bin Zhu4Kainan Zhou5Tie-Jun Wang6https://orcid.org/0000-0003-3323-640XYuxin Leng7Ruxin Li8State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics and CAS Center for Excellence in Ultra-intense Laser Science, Chinese Academy of Sciences, Shanghai, China Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, ChinaState Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics and CAS Center for Excellence in Ultra-intense Laser Science, Chinese Academy of Sciences, Shanghai, China Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, ChinaState Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics and CAS Center for Excellence in Ultra-intense Laser Science, Chinese Academy of Sciences, Shanghai, ChinaState Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics and CAS Center for Excellence in Ultra-intense Laser Science, Chinese Academy of Sciences, Shanghai, ChinaLaser Fusion Research Center and Science & Technology on Plasma Physics Laboratory, China Academy of Engineering Physics, Mianyang, ChinaLaser Fusion Research Center and Science & Technology on Plasma Physics Laboratory, China Academy of Engineering Physics, Mianyang, ChinaState Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics and CAS Center for Excellence in Ultra-intense Laser Science, Chinese Academy of Sciences, Shanghai, China Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, ChinaState Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics and CAS Center for Excellence in Ultra-intense Laser Science, Chinese Academy of Sciences, Shanghai, China Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, ChinaState Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics and CAS Center for Excellence in Ultra-intense Laser Science, Chinese Academy of Sciences, Shanghai, China Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, ChinaAs intense, ultrashort, kHz-repetition-rate laser systems become commercially available, pulse cumulative effects are critical for laser filament-based applications. In this work, the pulse repetition-rate effect on femtosecond laser filamentation in air was investigated both numerically and experimentally. The pulse repetition-rate effect has negligible influence at the leading edge of the filament. Clear intensity enhancement from a high-repetition pulse is observed at the peak and tailing edge of the laser filament. As the repetition rate of the laser pulses increases from 100 to 1000 Hz, the length of the filament extends and the intensity inside the filament increases. A physical picture based on the pulse repetition-rate dependent ‘low-density hole’ effect on filamentation is proposed to explain the obtained results well.https://www.cambridge.org/core/product/identifier/S2095471923000312/type/journal_articleclamping intensitycumulative effectsfemtosecond laser filamentation |
| spellingShingle | Fukang Yin Juan Long Yaoxiang Liu Yingxia Wei Bin Zhu Kainan Zhou Tie-Jun Wang Yuxin Leng Ruxin Li Pulse repetition-rate effect on the intensity inside a femtosecond laser filament in air High Power Laser Science and Engineering clamping intensity cumulative effects femtosecond laser filamentation |
| title | Pulse repetition-rate effect on the intensity inside a femtosecond laser filament in air |
| title_full | Pulse repetition-rate effect on the intensity inside a femtosecond laser filament in air |
| title_fullStr | Pulse repetition-rate effect on the intensity inside a femtosecond laser filament in air |
| title_full_unstemmed | Pulse repetition-rate effect on the intensity inside a femtosecond laser filament in air |
| title_short | Pulse repetition-rate effect on the intensity inside a femtosecond laser filament in air |
| title_sort | pulse repetition rate effect on the intensity inside a femtosecond laser filament in air |
| topic | clamping intensity cumulative effects femtosecond laser filamentation |
| url | https://www.cambridge.org/core/product/identifier/S2095471923000312/type/journal_article |
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