Origin and applications of magnetically tunable refractive index of magnetic fluid films

Shieh-Yueh Yang, Jen-Je Chieh, Herng-Er Horng, Chin Yin Hong, Hong-Chang Yang

    Research output: Contribution to journalArticle

    117 Citations (Scopus)

    Abstract

    The refractive index of magnetic fluid films was studied in an external magnetic field. It was observed that the refractive index was modulated as the field exceeded a critical strength. The refractive index was found to be higher for stronger magnetic field. The refractive index was calculated by taking into account the formation of the columns and the variation in the concentration of the liquid phase in magnetic fluid films under external fields. The results imply that the variation in the refractive index as with the change in magnetic field strength was due to the phase separation.

    Original languageEnglish
    Pages (from-to)5204-5206
    Number of pages3
    JournalApplied Physics Letters
    Volume84
    Issue number25
    DOIs
    Publication statusPublished - 2004 Jun 21

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    fluid films
    refractivity
    magnetic fields
    field strength
    liquid phases

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

    Cite this

    Origin and applications of magnetically tunable refractive index of magnetic fluid films. / Yang, Shieh-Yueh; Chieh, Jen-Je; Horng, Herng-Er; Hong, Chin Yin; Yang, Hong-Chang.

    In: Applied Physics Letters, Vol. 84, No. 25, 21.06.2004, p. 5204-5206.

    Research output: Contribution to journalArticle

    Yang, Shieh-Yueh ; Chieh, Jen-Je ; Horng, Herng-Er ; Hong, Chin Yin ; Yang, Hong-Chang. / Origin and applications of magnetically tunable refractive index of magnetic fluid films. In: Applied Physics Letters. 2004 ; Vol. 84, No. 25. pp. 5204-5206.
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