Characteristics of photonic nanojets from two-layer dielectric hemisphere

Liu Yunyue¹, Liu Xianchao^{1, 2}, Li Ling¹, Chen Weidong¹, Chen Yan¹, Huang Yuerong¹, Xie Zhengwei^{1, †}

(color online) Normalized intensity distributions of photonic nanojets generated from hemispheres (R_s = 3 μm, n_s = 1.8, n_c = 1.5) with (a)–(j) different radius contrast ratios.