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Characterization and optimization of magnetic garnet films for magneto-optical visualization of magnetic field distributions

  • Rare-earth iron garnet films with in-plane anisotropy grown on (111)-oriented substrates can be used as magneto-optical indicator films for visualization of magnetic leakage fields in nondestructive evaluation. The influence of Faraday rotation, Faraday ellipticity, absorption and film thickness on the performance of a magneto-optical indicator film is investigated. A new optimization method is introduced and compared with the method of contrast optimization. The theory is experimentally verified and an application example is presented.

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Metadaten
Author:Michael Klank, Oliver Hagedorn, Carsten Holthaus, Mikhail Shamonin (Chamonine)ORCiDGND, Horst Dötsch
DOI:https://doi.org/10.1016/S0963-8695(03)00012-4
Parent Title (English):NDT & E International
Publisher:Elsevier
Document Type:Article
Language:English
Year of first Publication:2003
Release Date:2023/01/18
Tag:Garnet films; Imaging; Magnetic flux leakage; Magneto-optics
Volume:36
Issue:6
First Page:375
Last Page:381
Institutes:Fakultät Elektro- und Informationstechnik
Fakultät Elektro- und Informationstechnik / Labor Intelligente Materialien und Strukturen
Begutachtungsstatus:peer-reviewed
research focus:Produktion und Systeme
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG