Zayko Sergey, Mönnich Eike, Sivis Murat, Mai Dong-Du, Salditt Tim, Schäfer Sascha, Ropers Claus
Opt Express. 2015 Jul 27;23(15):19911-21. doi: 10.1364/OE.23.019911.
We study extreme-ultraviolet wave propagation within optically thick nanostructures by means of high-resolution coherent diffractive imaging using high-harmonic radiation. Exit waves from different objects are reconstructed by phase retrieval algorithms, and are shown to be dominated by waveguiding within the sample. The experiments provide a direct visualization of extreme-ultraviolet guided modes, and demonstrate that multiple scattering is a generic feature in extruded nanoscale geometries. The observations are successfully reproduced in numerical and semi-analytical simulations.
我们利用高谐波辐射通过高分辨率相干衍射成像研究了光学厚纳米结构内的极紫外波传播。通过相位恢复算法重建了来自不同物体的出射波，并显示出它们主要由样品内的波导主导。这些实验直接可视化了极紫外导模，并证明了多重散射是挤压纳米尺度几何结构中的一个普遍特征。这些观测结果在数值和半解析模拟中得到了成功再现。
