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17 September 2010Experimental observation and numerical simulation of the Laue diffraction in one-dimensional photonic crystals
We present the results of numerical and experimental studies of spatial and temporal separation of femtosecond light
pulses in 1D photonic crystals (PC) in Laue diffraction geometry. The porous silicon PC are fabricated by
electrochemical etching using and contain 400 pairs of alternating layers with optical thickness 600 and 680 nm, so that
the center of the photonic band gap is placed at about 2600 nm. Spatial splitting of the laser pulse into two, one of them
corresponding to the transmitted beam and the second - to the diffracted one, are observed. It is shown that the diffraction
angle of the second beam changes when the wavelength of light is tuning, in accordance with the theoretical estimations.
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Sergey E Svyakhovskiy, Anton I. Maydykovskiy, Oleg A. Aktsipetrov, "Experimental observation and numerical simulation of the Laue diffraction in one-dimensional photonic crystals," Proc. SPIE 7755, Nanophotonic Materials VII, 77550O (17 September 2010);