Nano-Thin 2D Axicon Generating Nondiffracting Surface Waves

被引:0
|
作者
Kim, Myun-Sik [1 ]
Dubey, Richa [1 ]
Barakat, Elsie [1 ]
Herzig, Hans Peter [1 ]
机构
[1] Opt & Photon Technol Lab, Ecole Polytechn Federale Lausanne EPFL, Neuchatel, Switzerland
关键词
Bloch surface wave (BSW); non-diffracting beam; Bessel beam; axicon lens; scanning near-field microscopy (SNOM); BEAMS;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We investigate nondiffracting surface waves. On top of the Bloch surface wave platform, a 60-nm-thick TiO2 isosceles triangle serves as a 2D axicon. Scanning near-field microscopy measurements verify nondiffracting surface beam properties.
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页数:2
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