Journal
JOURNAL OF OPTICS
Volume 15, Issue 7, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2040-8978/15/7/075104
Keywords
magnetophotonic crystals; thermal emission; emissivity; magnetooptical devices; infrared sources
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Theoretical investigations of the spectral and angular characteristics of 1D semiconductor-based magnetophotonic crystal thermal emission in an external magnetic field are presented. Propagation of the emission is described by the 4 x 4 matrix method using the nonlinear magnetic-field dependence of a semiconductor dielectric tensor. The calculations are carried out for the (ZnS/KBr)(2)/InAs/(KBr/ZnS)(10) structure in the spectral range 8-11 mu m. It is established that the thermal emission is narrow-band and narrow-beam and substantially changes in the magnetic field. The results show that the magnetophotonic crystals can be used for creating tunable selective emitters for mid-wave and long-wave infrared spectral ranges.
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