Femtosecond laser-induced periodic structure adjustments based on electron dynamics control

From subwavelength ripples to double-grating structures

Xuesong Shi, Lan Jiang, Xin Li, Sumei Wang, Yanping Yuan, Yongfeng Lu

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

This study proposes a method for adjusting subwavelength ripple periods and the corresponding double-grating structures formed on fused silica by designing femtosecond laser pulse trains based on localized transient electron density control. Four near-constant period ranges of 190-490 nm of ripples perpendicular to the polarization are obtained by designing pulse trains to excite and modulate the surface plasmon waves. In the period range of 350-490 nm, the double-grating structure is fabricated in one step, which is probably attributable to the grating-assisted enhanced energy deposition and subsequent thermal effects.

Original languageEnglish (US)
Pages (from-to)3743-3746
Number of pages4
JournalOptics Letters
Volume38
Issue number19
DOIs
StatePublished - Oct 1 2013

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dynamic control
ripples
adjusting
gratings
lasers
electrons
pulses
temperature effects
silicon dioxide
polarization
energy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Femtosecond laser-induced periodic structure adjustments based on electron dynamics control : From subwavelength ripples to double-grating structures. / Shi, Xuesong; Jiang, Lan; Li, Xin; Wang, Sumei; Yuan, Yanping; Lu, Yongfeng.

In: Optics Letters, Vol. 38, No. 19, 01.10.2013, p. 3743-3746.

Research output: Contribution to journalArticle

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