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By using two laser beams with different wavelengths, we demonstrate 3D-writing of a gold nanoparticle (AuNP) array with a line width of few micrometers inside the ablative polymer matrices without any surface damage. It is discovered that the irradiation of two laser beams causes novel photoinduced phenomena (laser-guided formation of the AuNP array and microcavity (tunnel) formation).
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Sakamoto et al. (2008) studied this question.
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