Observation of laser-induced surface waves on flat silicon surface

Takuro Tomita, Yasuhiro Fukumori, Keita Kinoshita, Shigeki Matsuo, Shuichi Hashimoto

研究成果: Article査読

46 被引用数 (Scopus)

抄録

We found that irradiation by a single femtosecond laser pulse produced a surface wave structure on a (100) silicon surface. The surface wave structure bearing a concentric shape was produced only in the edge regions in the direction of the electric field from the center. The increase in the number of irradiating pulses allowed the concentric structure gradually to align perpendicularly to the laser beam's electric field. The period of the surface wave structure was nearly equal to the wavelength of the irradiating laser pulse. In this accord, we propose that this structure is a precursor of ripple formation.

本文言語English
論文番号013104
ジャーナルApplied Physics Letters
92
1
DOI
出版ステータスPublished - 2008
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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