Readout contrast beyond diffraction limit by a slab of random nanostructures

Tai Chi Chu, Din Ping Tsai, Wei Chih Liu

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A simplified Fourier optics approach is applied to study how near-field optical disks retrieve evanescent signals through random nanostructure. The statistical properties of the random nanostructures are used to realize the general behavior of near-field optical disks. The mechanism of its super-resolution capability and an analytical expression of the readout contrast of near-field optical disks with random apertures are derived. The resolution of near-field optical disk is determined by the size of the random nanostructure.

Original languageEnglish
Pages (from-to)12-23
Number of pages12
JournalOptics Express
Volume15
Issue number1
DOIs
Publication statusPublished - 2007 Jan 8

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optical disks
readout
near fields
slabs
diffraction
random signals
apertures
optics

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Readout contrast beyond diffraction limit by a slab of random nanostructures. / Chu, Tai Chi; Tsai, Din Ping; Liu, Wei Chih.

In: Optics Express, Vol. 15, No. 1, 08.01.2007, p. 12-23.

Research output: Contribution to journalArticle

Chu, Tai Chi ; Tsai, Din Ping ; Liu, Wei Chih. / Readout contrast beyond diffraction limit by a slab of random nanostructures. In: Optics Express. 2007 ; Vol. 15, No. 1. pp. 12-23.
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