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物理学报. 2008, 57(6): 3562-3570.
doi: 10.7498/aps.57.3562.
有限开敞介质光子晶体的模式及其带结构分析
- 收稿日期: 2007-09-05
- 修回日期: 2007-09-27
- 刊出日期: 2008-03-05
English Abstract
Mode and band analysis of finite dielectric photonic crystals
- Received Date:
05 September 2007
- Accepted Date:
27 September 2007
- Published Online:
05 March 2008
Abstract: In this article, dielectric photonic crystals (PhC) with finite dimensions and exposed in air is analyzed for its potential value in traveling wave tubes (TWTs). The modes existing in finite dielectric PhC are EH and HE, and also E if the finite PhC is two-dimensiond. The E1 mode is the E polarization in infinite dielectric PhC. Calculation shows that only the existence of gaps of pass-bands is necessary for PhC in TWTs, while the complete photonic crystal band gaps are superfluous.
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