Near-field images of the AgOx-type super-resolution near-field structure

Wei Chih Liu*, Cheng Yen Wen, Kuei Hsien Chen, Wei Chih Lin, Din Ping Tsai

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

122 Citations (Scopus)


As a promising disk structure for ultrahigh density optical data storage, super-resolution near-field structure of AgOx type has been studied by the tapping-mode tuning-fork near-field scanning optical microscope as well as the transmission electron microscope. This structure presents strong near-field intensity enhancement and nonlinear optical effect, compared with the ordinary material. Numerical calculations confirm that the localized surface plasmon and the nonuniform material structures are the main causes for these unusual characteristics.

Original languageEnglish
Pages (from-to)685-687
Number of pages3
JournalApplied Physics Letters
Issue number6
Publication statusPublished - 2001 Feb 5

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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