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Enhancement of the transversal magnetic optic Kerr effect: Lock-in vs. hysteresis method

Abstract:

The lock-in amplifier is often used to study the enhancement of the magneto-optical Kerr effect (MOKE) in the presence of plasmon resonances. In the present work we show that it is possible to investigate such effect replacing the lock-in amplifier by a compensator, filter, and differential amplifier. This allows us to extract the full hysteresis loop in and out of the resonance without the need of a lock-in amplifier. Our results demonstrate these two setups are equivalent to study the enhancement of the transversal MOKE (T-MOKE) in magnetoplasmonic systems.

Año de publicación:

2016

Keywords:

    Fuente:

    scopusscopus

    Tipo de documento:

    Article

    Estado:

    Acceso restringido

    Áreas de conocimiento:

    • Fibra óptica
    • Magnetismo

    Áreas temáticas:

    • Luz y radiaciones afines

    Contribuidores:

    Herreño-Fierro C.A.Herreño-Fierro C.A.
    Hayek J.N.Hayek J.N.
    Edgar J. PatiñoEdgar J. Patiño