Tunable narrowband antireflection optical filter with a metasurface

Luigi Bibbò; Karim Khan; Qiang Liu; Mi Lin; Qiong Wang; Zhengbiao Ouyang

doi:doi:10.1364/PRJ.5.000500

Photonics Research, 2017, 5 (5): 05000500, Published Online: Nov. 27, 2017

Tunable narrowband antireflection optical filter with a metasurface Download： 807次

Luigi Bibbò Karim Khan Qiang Liu Mi Lin Qiong Wang Zhengbiao Ouyang ^*

Author Affiliations

College of Electronic Science and Technology of Shenzhen University, THz Technical Research Center of Shenzhen University, Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, China

Figures & Tables

Fig. 1. (a) Unit cell with three spheres on the same plane in triangular configuration. (b) Overview schematic of the designed structure.

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Fig. 2. Reflection and absorption spectra.

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Fig. 3. (a) Electric field for wavelength of 623.29 nm. (b) Magnetic field for wavelength of 623.29 nm. (c) Electric field for wavelength of 550.38 nm. (d) Magnetic field for wavelength of 550.38 nm. The external electric applied is V=160 V, and the dielectric refractive index is no=2.38.

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Fig. 4. Reflection and absorption spectra for different nanosphere radius: (a) 5 nm; (b) 12 nm; (c) 15 nm; and (d) 20 nm.

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Fig. 5. Absorption and reflection versus wavelength for different dielectric thickness: (a) 60 nm; (b) 70 nm; (c) 75 nm; (d) 80 nm.

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Fig. 6. (a) Absorption and (b) reflection to incident angle.

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Fig. 7. (a) Optical spectra produced by the variation of applied voltage. (b) Optical spectra produced by applied voltage.

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Fig. 8. Optical spectra for wider voltage range.

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Fig. 9. Wavelength versus voltage.

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Luigi Bibbò, Karim Khan, Qiang Liu, Mi Lin, Qiong Wang, Zhengbiao Ouyang. Tunable narrowband antireflection optical filter with a metasurface[J]. Photonics Research, 2017, 5(5): 05000500.

Tunable narrowband antireflection optical filter with a metasurface Download： 807次

Fig. 1. (a) Unit cell with three spheres on the same plane in triangular configuration. (b) Overview schematic of the designed structure.

Fig. 2. Reflection and absorption spectra.

Fig. 3. (a) Electric field for wavelength of 623.29 nm. (b) Magnetic field for wavelength of 623.29 nm. (c) Electric field for wavelength of 550.38 nm. (d) Magnetic field for wavelength of 550.38 nm. The external electric applied is V=160 V, and the dielectric refractive index is no=2.38.

Fig. 4. Reflection and absorption spectra for different nanosphere radius: (a) 5 nm; (b) 12 nm; (c) 15 nm; and (d) 20 nm.

Fig. 5. Absorption and reflection versus wavelength for different dielectric thickness: (a) 60 nm; (b) 70 nm; (c) 75 nm; (d) 80 nm.

Fig. 6. (a) Absorption and (b) reflection to incident angle.

Fig. 7. (a) Optical spectra produced by the variation of applied voltage. (b) Optical spectra produced by applied voltage.

Fig. 8. Optical spectra for wider voltage range.

Fig. 9. Wavelength versus voltage.

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Tunable narrowband antireflection optical filter with a metasurface Download： 807次

Fig. 1. (a) Unit cell with three spheres on the same plane in triangular configuration. (b) Overview schematic of the designed structure.

Fig. 2. Reflection and absorption spectra.

Fig. 3. (a) Electric field for wavelength of 623.29 nm. (b) Magnetic field for wavelength of 623.29 nm. (c) Electric field for wavelength of 550.38 nm. (d) Magnetic field for wavelength of 550.38 nm. The external electric applied is V=160 V, and the dielectric refractive index is no=2.38.

Fig. 4. Reflection and absorption spectra for different nanosphere radius: (a) 5 nm; (b) 12 nm; (c) 15 nm; and (d) 20 nm.

Fig. 5. Absorption and reflection versus wavelength for different dielectric thickness: (a) 60 nm; (b) 70 nm; (c) 75 nm; (d) 80 nm.

Fig. 6. (a) Absorption and (b) reflection to incident angle.

Fig. 7. (a) Optical spectra produced by the variation of applied voltage. (b) Optical spectra produced by applied voltage.

Fig. 8. Optical spectra for wider voltage range.

Fig. 9. Wavelength versus voltage.

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