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Investigation on the optical resonance and near field effects of a 2D periodic dielectric spheres on metallic surfaces by combining theoretical calculations with experimental studies were carried out. The light scattering and coupling was numerically studied. Nanostructures were fabricated on the metallic surfaces using these arrays of micro- and nano-spheres with a single laser pulse (KrF, λ=248 nm)...
Abstract. By utilizing both hydrogen loading for photosensitivity enhancement and a phase mask for holographic exposure, we have fabricated fiber Bragg grating with controllable reflectance and bandwidth. The evolution of hydrogen diffusion into a single-mode optical fiber before exposure, and out of the fiber after exposure was characterized, and the results were consistent with the theoretical modeling...
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