A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
Tong Yuan-Wei, Tian Shuang, Zhuang Song-Lin. "Sub-wavelength imaging of the two-dimensional photonic crystal with effective index close to -1." Wuli xuebao 60.5 (2011) 054201