ZnO nanowires, characterized with high melting points, are hard to assemble together with laser fusion. In order to build micro-nano structures with ZnO nanowires, a polymer film with a low melting point and high optical transparency is introduced as a substrate for ZnO nanowires to be deposited. A holographic optical tweezers system is used not only to manipulate ZnO nanowires, but also to melt the polymer film for the fixation of ZnO nanowires. By this method, micro-nano structures composed of ZnO nanowires are produced, which can be utilized as subwavelength optical waveguides.
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