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KHEM B. THAPA1,* , PRAVEEN C. PANDEY2, SARIKA SINGH1
A complete band gap in one-dimensional photonic crystal (1D-PC) containing meta-material is investigated. The average zero-n gap and Bragg gap are appeared in 1D-PC due to the interference in periodic structure of medium with positive and negative refractive indices. These band gaps are strongly sensitive to the separation between the electric and magnetic plasma frequencies. The average zero-n gap of the structure observes insensitive to incident angles and polarizations. But the Bragg-gap shifts towards higher frequency with different angle of incidences due to the change in the optical path through each layer. The transmittance of the structure for TE and TM-modes shows a complete band gap owing to the mechanism of the average zero-n when the separation between electric and magnetic plasma frequencies increases. Besides this, we have also found the complete band gap in such structure with a glass substrate.
Dispersion relation, Complete band gap, Photonic crystals, Negative index material.
KHEM B. THAPA, PRAVEEN C. PANDEY, SARIKA SINGH, A complete band gap in one-dimensional photonic crystal containing meta-materials, Optoelectronics and Advanced Materials - Rapid Communications, 4, 7, July 2010, pp.909-915 (2010).
Submitted at: June 1, 2010
Accepted at: July 14, 2010
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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