Investigation of tunable omnidirectional band gap in 1D magnetized full plasma photonic crystals
| Autor: | Moslem Malekshahi, Zahra Naderi Dehnavi, H.R. Askari, Davoud Dorranian |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Physics
Permittivity Work (thermodynamics) Condensed matter physics Band gap Transfer-matrix method (optics) Physics::Optics 02 engineering and technology Plasma 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences Magnetic field 010309 optics Physics::Plasma Physics 0103 physical sciences 0210 nano-technology Omnidirectional antenna Photonic crystal |
| Zdroj: | Physics of Plasmas. 24:093517 |
| ISSN: | 1089-7674 1070-664X |
| DOI: | 10.1063/1.5004695 |
| Popis: | In this work, the creation of the omnidirectional band gap (OBG) in a tunable full plasma photonic crystal has been investigated theoretically. The full plasma photonic crystal is made of the bulk cold plasma which is embedded in the DC periodic magnetic field. The influence of the periodic external magnetic field leads to periodic changes of plasma permittivity and creation of unit cells. The formation of OBGs is limited by the Brewster's angle; here we have omitted this limitation by applying certain condition for permittivity layers of the unit cell. The results are investigated by means of the transfer matrix method. The numerical results show that the band width of OBG can be enlarged by increasing the thickness of the unit cell and density of plasma. Also it can be decreased by increasing the magnetic field strength. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|