Secondary radiation of synthetic opals loaded by the sodium nitrite ferroelectric |
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Authors: | Yu?P?Vo?nov N?F?Gabitova V?S?Gorelik L?I?Zlobina P?P?Sverbil’ |
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Institution: | (1) P. N. Lebedev Physical Institute, Russian Academy of Sciences, Leninskiĭ pr. 53, Moscow, GSP-1, 119991, Russia |
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Abstract: | This paper reports on a comparison of transmission, reflection, and secondary radiation spectra of unloaded synthetic opals and samples filled with the sodium nitrite ferroelectric (NaNO2). The radiation is provided by semiconductor light-emitting diodes operating in the ultraviolet and visible spectral regions. Selective excitation of slow electromagnetic waves in a photonic crystal, an effect observed when the exciting radiation frequency approaches the stop-band edge, is studied. |
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