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Standing electron plasma wave mechanism of void array formation inside glass by femtosecond laser irradiation

  • Haiyi Sun
  • , Juan Song
  • , Chengbin Li
  • , Jian Xu
  • , Xinshun Wang
  • , Ya Cheng*
  • , Zhizhan Xu
  • , Jianrong Qiu
  • , Tianqing Jia
  • *此作品的通讯作者
  • CAS - Shanghai Institute of Optics and Fine Mechanics
  • Zhejiang University
  • The University of Tokyo

科研成果: 期刊稿件文章同行评审

摘要

We investigate the mechanism of formation of periodic void arrays inside fused silica and BK7 glass irradiated by a tightly focused femtosecond (fs) laser beam. Our results show that the period of each void array is not uniform along the laser propagation direction, and the average period of the void array decreases with increasing pulse number and pulse energy. We propose a mechanism in which a standing electron plasma wave created by the interference of a fs-laser-driven electron wave and its reflected wave is responsible for the formation of the periodic void arrays.

源语言英语
页(从-至)285-288
页数4
期刊Applied Physics A: Materials Science and Processing
88
2
DOI
出版状态已出版 - 8月 2007
已对外发布

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