| 摘要 |
A photonic crystal comprises a matrix constituting said three-dimensional periodic structure, a first lattice formed in said matrix by first spherical voids having a uniform first diameter, said first spherical voids forming a face-centered cubic lattice, and a second lattice formed in said matrix by second spherical voids having a uniform second diameter smaller than said first diameter, said second spherical voids occupying interstitial sites of said first spherical voids.
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