| Citation: |
Zhang Ruijuan, Yin Haiqing, Wen Jing, Cao Wenbin. Calculation and Fabrication of Photonic Crystal with Diamond Structure[J]. Journal of Semiconductors, 2007, In Press.
Zhang R J, Yin H Q, Wen J, Cao W B. Calculation and Fabrication of Photonic Crystal with Diamond Structure[J]. Chin. J. Semicond., 2007, 28(S1): 20.
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Calculation and Fabrication of Photonic Crystal with Diamond Structure
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Abstract
The plane wave propagation method was used to calculate the band gap width of photonic crystals (PCs)with diamond structure.When the lattice constant of the crystal is 8.5mm，the PC has a maximal band gap width of about 3.5GHz.In this case.the frequency of the band gap ranges from 15.3 to 18.7GHz. A computer solid model of a photonie crystal with diamond structure was designed.The epoxy PC was fabricated by stereolithography. The fabricated epoxy PC is 7.40ram×36.54mm×54.32ram in size，and the periodic numbers of the crystal in the x，v，and z directions are 2，4，and 6，respectively.The transmission of microwaves from 10 to 20GHz was measured along the(100>direction by an HP network analyzer.A band gap is formed in the range of 14.7～18.5GHz.The magnitude of the maximum attenuation is as large as一30dB at 17.3GHz。indicating that the fabricated structure works well as a photonic crystal.-
Keywords:
- photonic crystal,
- band gap,
- stereolithography
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