Jianfang He

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Flexible interference lithography using fibers as laser beam splitting and delivering system is demonstrated. A laser beam at 325 nm is used as the ultraviolet light source. Fiber bundles consisting of two, three, or four optical fibers have been utilized for the fabrication of two-dimensional photonic structures with different lattice configurations and(More)
Half-wave plates were introduced into an interference-lithography scheme consisting of three fibers that were arranged into a rectangular triangle. Such a flexible and compact geometry allows convenient tuning of the polarizations of both the UV laser source and each branch arm. This not only enables optimization of the contrast of the produced photonic(More)
Plasmon resonance in nanostructured metals is in essence collective oscillation of free electrons, which is driven by optical electric fields and oscillates at nearly the same frequency as the excitation photons. This is the basic physics for the currently extensively interested topics in optical metamaterials, optical switching, and logic optical(More)
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