Fourier magnetic imaging

Fourier magnetic imaging
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DOI:
10.1063/1.3630049
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发表时间:
2011-08-29
影响因子:
4
通讯作者:
Vavassori, P.
Vavassori, P.
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Verduci, T.;Rufo, C.;Vavassori, P.

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我们提出了一种方法,从衍射磁光克尔效应测量的空间傅立叶分量的磁化分布的纳米磁性物体的阵列的提取。通过傅里叶逆变换得到了单胞中的磁场相关磁化结构,并与微磁学模拟的预测结果进行了比较。比较表明,该方法是一个强大的光学工具,无透镜衍射限制的光学成像的集体磁性行为的纳米结构。(C)2011年美国物理学会。[doi:10.1063/1.3630049]
We present a methodology for the extraction of the spatial Fourier components of the magnetization profile for an array of nanosized magnetic objects, from diffracted magneto optic Kerr effect measurements. The field dependent magnetization configuration in the unit cell is retrieved by inverse Fourier transform and compared with the predictions of micromagnetic simulations. The comparison demonstrates that the methodology is a powerful optical tool for lens-less diffraction-limited optical imaging of the collective magnetic behavior of nano-structures. (C) 2011 American Institute of Physics. [doi:10.1063/1.3630049]