Geometrical condition for observing Talbot effect in plasmonics infinite metallic groove arrays<xref rid="cpb_27_12_124204fn1" ref-type="fn">*</xref><fn id="cpb_27_12_124204fn1"><label>*</label><p>Project supported by the 111 Project, China (Grant No. D17021) and the Changjiang Scholars and Innovative Research Team in University, China (Grant No. PCSIRT, IRT 16R07).</p></fn>

Geometrical condition for observing Talbot effect in plasmonics infinite metallic groove arrays**

Project supported by the 111 Project, China (Grant No. D17021) and the Changjiang Scholars and Innovative Research Team in University, China (Grant No. PCSIRT, IRT 16R07).

Mehdi Afshari-Bavil^{1, 2, †}, Lou Xiao-Ping^{1, 2}, Dong Ming-Li^{1, 2}, Li Chuan-Bo^{3, ‡}, Feng Shuai³, Saviz Parsa⁴, Zhu Lian-Qing^{1, 2}

(color online) Plots of Talbot distance versus α for various values of opening ratio γ. Blue and green lines represent the non-paraxial approximation and numerical result, respectively.