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자연과학대학
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Journal papers
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Bandgap of a three-dimensional dyed polystyrene photonic crystal from optical absorption
Title
Bandgap of a three-dimensional dyed polystyrene photonic crystal from optical absorption
Authors
Ha N.Y.
;
Wu J.W.
;
Park B.
Ewha Authors
우정원
SCOPUS Author ID
우정원
Issue Date
2006
Journal Title
Journal of the Optical Society of America B: Optical Physics
ISSN
0740-3224
Citation
Journal of the Optical Society of America B: Optical Physics vol. 23, no. 5, pp. 958 - 962
Indexed
SCI; SCIE; SCOPUS
Document Type
Article
Abstract
The role of a strong dye absorption in determining the photonic bandgap (PBG) shape of a three-dimensional dyed photonic crystal, fabricated from dyed polystyrene nanospheres, is investigated. When the dye absorption peaks fall on the PBG spectral position, the PBG has a distorted shape, narrow top, and wide bottom. Theoretical analysis shows that the characteristic PBG shape results from two superimposed contributions with distinct origins, i.e., a Bragg reflection and a high reflection associated with the strong dye absorption. © 2006 Optical Society of America.
DOI
10.1364/JOSAB.23.000958
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