Volume 118, Number 4, May 2017
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||27 July 2017|
Magneto-optical Kerr rotation and color in ultrathin lossy dielectric
1 Department of Physics, Capital Normal University, Beijing Key Laboratory of Metamaterials and Devices, Key Laboratory of Terahertz Optoelectronics, Ministry of Education, and Beijing Advanced Innovation Center for Imaging Technology - Beijing, 100048, PRC
2 Shenzhen High Trend Tech. Co., Ltd. - Shenzhen, 518129, PRC
3 College of Preschool Education, Capital Normal University - Beijing, 100048, PRC
Received: 28 February 2017
Accepted: 3 July 2017
Ultra-thin optical coating comprising nanometer-thick silicon absorbing films on iron substrates can display strong optical interference effects. A resonance peak of longitudinal Kerr rotation with the silicon thickness of was found at the wavelength of 660 nm. The optical properties of silicon thin films were well controlled by the sputtering power. Non-iridescence color exhibition and Kerr rotation enhancement can be manipulated and encoded individually.
PACS: 78.20.Ls – Magneto-optical effects / 85.70.Sq – Magnetooptical devices / 42.70.Gi – Light-sensitive materials
© EPLA, 2017
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