Gongli Xiao, Xiaogang Liu, Hongyan Yang, Xingguo Jiang, Hongqing Wang, Long Zheng, Li Liu, Haiou Li, Qi Li, Fabi Zhang, Tao Fu, Yonghe Chen. Refractive Index Sensing Property Based on Extraordinary Optical Transmission of Metal Circular Arc Hole Array[J]. Acta Optica Sinica, 2018, 38(2): 0224001
- Acta Optica Sinica
- Vol. 38, Issue 2, 0224001 (2018)
Fig. 1. Metal circular arc hole array structure. (a) Three-dimensional schematic; (b) two-dimensional schematic of x-y section; (c) transmittance as a function of wavelength for three different structures; (d)-(f) electric-field energy density distributions at transmission peak wavelengths
Fig. 2. (a) Transmittance as a function of wavelength for compound circular arc hole array at different R when r=55 nm and d=105 nm; (b) relationship between λpeak or Tpeak and R
Fig. 3. (a) Transmittance as a function of wavelength for compound circular arc hole array at different r when R=95 nm and d=105 nm; (b) relationship between λpeak or Tpeak and r
Fig. 4. (a) Transmittance as a function of wavelength for compound circular arc hole array at different d when R=95 nm and r=70 nm; (b) relationship between λpeak or Tpeak and d; (c)-(g) electric-field energy density distributions at different transmission peak wavelengths
Fig. 5. Transmittance as a function of wavelength for compound circular arc hole array at different P when R=95 nm, r=70 nm, and d=100 nm; (b) relationship between λpeak or Tpeak and P
Fig. 6. Transmittance as a function of wavelength for compound circular arc hole array at different refractive indices when R=95 nm, r=70 nm, d=100 nm, and P=425 nm; (b) relationship between λpeak and refractive index
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