Surface plasmon-enhanced dual-band infrared absorber for VO<sub><em>x</em></sub>-based microbolometer application

Surface plasmon-enhanced dual-band infrared absorber for VO_x-based microbolometer application

Li Qi¹, Yu Bing-qiang¹, Li Zhao-feng^{2, 6, †}, Wang Xiao-feng^{3, 4, ‡}, Zhang Zi-chen^{4, 5}, Pan Ling-feng^{3, 4}

(color online) (a) The enhancement of the electric field intensity for absorber without cavity and disk, (b) the enhancement of the electric field intensity for absorber with cavity with the parameter H = 500 nm, (c) the enhancement of the electric field intensity at resonant absorption wavelength , (d) the enhancement of the electric field intensity at resonant absorption wavelength .