Fiber-top refractometer

C.J. Alberts, S. de Man, J.W. Berenschot, V.J. Gadgil, M.C. Elwenspoek, D. Iannuzzi

    Research output: Contribution to journalArticleAcademicpeer-review

    16 Citations (Scopus)
    3 Downloads (Pure)


    We present a fiber-top device designed to measure variations of the refractive index of a liquid in which it is immersed. The sensitivity achieved with this first prototype is on the order of one part over 105 in a 30 kHz bandwidth. With a proper design, the device performs well also when immersed in liquids with refractive index equal to the refractive index of the core of the fiber
    Original languageEnglish
    Pages (from-to)034005
    Number of pages5
    JournalMeasurement science and technology
    Issue number3
    Publication statusPublished - 4 Feb 2009


    • Refractometers
    • Microelectromechanical systems
    • Fiber-top devices


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