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(Color online) Sketch of the experimental setup.
(Color online) (a) CCD image of a silver nanowire. (b) Image with 532 nm laser focused on the middle of the nanowire. (c) Image of the QD emission as the same setup as case b. (d) Scanning image of the QD emission.
(Color online) Intensity of fluorescence from the middle (black square dots) and the right end of the nanowire (red round dots) as the function of θ. The results were nicely fitted with cosine function.
(Color online) Electric field intensity |E|2 at the cross section of a nanowire when illuminated by a 532 nm wavelength laser beam. (a) θ = 0°. (b) θ = 90°.
(Color online) Intensity of fluorescence as the function of φ. (a) and (b) were counts from the middle and one end of the nanowire, respectively. For black square dots, red round dots, and blue triangle dots, θ were 0, 45, and 90 degree, respectively.
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