Light propagation in two-dimensional photonic crystals illuminated by a tightly focused laser beam |
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| Institution: | 1. Department of Applied Physics, Tokyo Institute of Technology, Meguro-ku,Tokyo, 152, Japan;2. Department of Mathematical and Physical Science, Japan Women''s University, Bunkyo-ku, Tokyo, 112, Japan;1. Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, F-69622, LYON, France;2. Institute of Applied Physics, Military University of Technology, 2 Gen. W. Urbanowicza Str., 00-908 Warsaw, Poland;3. Institute of Optoelectronics, Military University of Technology, 2 Gen. W. Urbanowicza Str., 00-908 Warsaw, Poland;1. All-Russia Research Institute of Automatics, Moscow 101000, Russia;2. Institute for Theoretical and Applied Electrodynamics, Moscow 125412, Russia;3. Moscow Institute of Physics and Technology, Moscow 117303, Russia |
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| Abstract: | By using a tightly focused laser beam, we have studied light propagation in two-dimensional photonic crystals consisting of closed-packed hexagonal arrays of polystyrene particles with diameter of 1∼5 μm. The light propagation is found to depend strongly on the focal point positioning, the incident beam polarization and the interaction between particles and glass substrates. |
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