Optical properties of nanoengineered gold blocks.
Optical properties of nanoengineered gold blocks.
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DOI：
10.1364/ol.30.002158
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发表时间：
2005-08
期刊：
影响因子：
3.6
通讯作者：
K. Ueno;V. Mizeikis;S. Juodkazis;K. Sasaki;H. Misawa
中科院分区：
文献类型：
--
作者：
K. Ueno;V. Mizeikis;S. Juodkazis;K. Sasaki;H. Misawa
我们报告了通过改变它们的横向纵横比来控制tetraxide金纳米块的消光光谱。纳米块通过电子束光刻在玻璃基板上图案化，并且横向尺寸为40-400 nm，纵横比为1至9。这使我们能够调整本地化的表面等离子体带从700 nm到1.5微米（纵向模式）和从700到550 nm（横向模式）。通过纳米块尺寸的对准和3D控制实现了横向和纵向等离子体激元带的前所未有的偏振选择性。
We report on control over the extinction spectrum of tetragonal gold nanoblocks by changing their lateral aspect ratio. Nanoblocks were patterned on a glass substrate by electron-beam lithography and were 40-400 nm in lateral dimensions and spanned from 1 to 9 in aspect ratio. This allowed us to tune the localized surface plasmon bands from 700 nm to 1.5 microm (longitudinal mode) and from 700 to 550 nm (transverse mode). Unprecedented polarization selectivity of the transverse and longitudinal plasmon bands was achieved via alignment and 3D control of the dimensions of the nanoblocks.