The validity of weak-coupling approach for a transmission phase hologram

Jung Ping Liu, Wei-Chia Su, Jing Heng Chen

Research output: Contribution to journalArticle

Abstract

Weak-coupling methods are convenient tools to analyze the diffraction properties of volume holograms for low diffraction cases, such as holographic data storage. Although the range of "low diffraction" is very important in practice, it is never defined because the parameter of modulation depth is excluded in the weak-coupling methods. In the paper we propose a simple method to estimate the validity of weak-coupling methods. Based on the weak-coupling solution from the coupled wave theory, we can quantitatively calculate the selectivity error of weak-coupling methods. The acceptable range of diffraction efficiency for weak-coupling methods can be determined accordingly.

Original languageEnglish
Pages (from-to)498-501
Number of pages4
JournalOptik
Volume123
Issue number6
DOIs
Publication statusPublished - 2012 Mar 1

Fingerprint

Holograms
Diffraction
Diffraction efficiency
diffraction
Modulation
Data storage equipment
data storage
selectivity
modulation
estimates

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Liu, Jung Ping ; Su, Wei-Chia ; Chen, Jing Heng. / The validity of weak-coupling approach for a transmission phase hologram. In: Optik. 2012 ; Vol. 123, No. 6. pp. 498-501.
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The validity of weak-coupling approach for a transmission phase hologram. / Liu, Jung Ping; Su, Wei-Chia; Chen, Jing Heng.

In: Optik, Vol. 123, No. 6, 01.03.2012, p. 498-501.

Research output: Contribution to journalArticle

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