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李宏强
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期刊论文
Planar optical lattice of TiO2 particles
OPTICS LETTERS Vol.20, No.9 May 1, 1995，-0001，（）：
We present an experimental study of the formation of two-dimensional optical lattices of titanium dioxide particles. The titanium dioxide particles, with an average size of 0.24mm and a high refractive index of 2.6-2.9 in the visible region, were trapped in the antinodes of a standing-wave field. The shortest lattice constant reached so far is 0.8mm. A corresponding diffraction pattern of the lattice was observed. This is an effort to create a photonic crystal with a lattice constant extended to visible and near-infrared wavelength scales.
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