Formation of gold grating structures on fused silica substrates by femtosecond laser irradiation

Akihiro Takami, Yasutaka Nakajima, Mitsuhiro Terakawa

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Despite the attractive optical properties of gold nanostructures for emerging applications, the formation of sharp laser-induced periodic gold structures has not been reported. In this study, we experimentally demonstrate the formation of micro- and nanoscale periodic gold grating structures on fused silica substrates using a femtosecond laser. The experimental and calculated results show good agreement, indicating that the gold grating structures were formed by a beat formed in a gold thin film. We also propose that the beat was formed by interference of two surface plasmon polaritons with different periods excited in a gold thin film and calculated their periods.

Original languageEnglish
Article number173103
JournalJournal of Applied Physics
Volume121
Issue number17
DOIs
Publication statusPublished - 2017 May 7

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gratings
gold
silicon dioxide
irradiation
lasers
synchronism
thin films
microbalances
polaritons
emerging
interference
optical properties

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Formation of gold grating structures on fused silica substrates by femtosecond laser irradiation. / Takami, Akihiro; Nakajima, Yasutaka; Terakawa, Mitsuhiro.

In: Journal of Applied Physics, Vol. 121, No. 17, 173103, 07.05.2017.

Research output: Contribution to journalArticle

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