Influence of a metallic reflector on read-out performance in Bi-substituted DylG films

On the basis of magneto-optical theory and the method of the characteristic matrix of optical admittance for multilayer structures, the dependence of effective Faraday rotation (θ F ∗), reflectivity ( R), and the figure of merit ( F = R sin 2θ F ∗ ) of Bi-substituted DylG films with Cr, Cu and Al re...

Full description

Saved in:
Bibliographic Details
Published inVacuum Vol. 43; no. 11; pp. 1061 - 1063
Main Authors Tengda, Du, Defang, Shen
Format Journal Article Conference Proceeding
LanguageEnglish
Published Oxford Elsevier Ltd 1992
Elsevier
Subjects
Applied sciences
Electronics
Exact sciences and technology
Magnetic and optical mass memories
Storage and reproduction of information
Magnetooptical effect
Reading
Multilayer
Magnetooptical recording
Reflector
Iron Dysprosium Oxides Mixed
Garnet type compound
Thin film
Online AccessGet full text

Cover

More Information
Summary:On the basis of magneto-optical theory and the method of the characteristic matrix of optical admittance for multilayer structures, the dependence of effective Faraday rotation (θ F ∗), reflectivity ( R), and the figure of merit ( F = R sin 2θ F ∗ ) of Bi-substituted DylG films with Cr, Cu and Al reflectors are calculated and discussed. At some special points of wavelength, the optimum optical disk structure is designed to produce a greater signal-to-noise ratio (SNR) on the basis of F.
ISSN:0042-207X
1879-2715
DOI:10.1016/0042-207X(92)90331-P