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Surface-plasmon-induced light absorption on a rough silver surface
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10.1063/1.3537812
/content/aip/journal/apl/98/1/10.1063/1.3537812
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/1/10.1063/1.3537812
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Figures

Image of FIG. 1.
FIG. 1.

(a), (b), (c) AFM images of sapphire substrates with rms roughness of 1, 7 and 13 nm, respectively. (d) Schematic of the experimental setup for the reflectance measurement. (e) Measured reflectance as a function of rms roughness.

Image of FIG. 2.
FIG. 2.

(a), (d) Electric field intensity profile in silver (a) and aluminum (d). (b), (e) Absorption power density in silver (b) and aluminum (e) with , 20, and 50 nm. (c), (f) Absorption power density as a function of the distance from the nanopattern in silver (c) and aluminum (f).

Image of FIG. 3.
FIG. 3.

(a) Calculated reflectance in silver and aluminum as a function of the rms roughness. The inset shows the metal surface with a rms roughness of 8 nm, modeled in the simulation. (b), (c) Electric field intensity profiles in silver (b) and aluminum (c) with a rms roughness of 8 nm, respectively.

Image of FIG. 4.
FIG. 4.

(a) Schematic of a GaN LED structure with a silver or aluminum bottom reflector. (b) Output powers measured at 80 mA as a function of the rms roughness when the bottom metal is silver or aluminum.

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/content/aip/journal/apl/98/1/10.1063/1.3537812
2011-01-05
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Surface-plasmon-induced light absorption on a rough silver surface
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/1/10.1063/1.3537812
10.1063/1.3537812
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