期刊
JOURNAL OF APPLIED PHYSICS
卷 110, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3636104
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology [19750166]
- Shiseido Grants for Women Scientists and Engineers
- Nihon University
- Grants-in-Aid for Scientific Research [21750024, 19750166] Funding Source: KAKEN
We demonstrate that double-layer colloidal photonic crystals function as wavelength-and polarization-insensitive blazed transmission gratings with efficiencies as high as 63% in the high-energy spectral region. This phenomenon, which is known as specular-resonance-enhanced diffraction, has been reported for a small-scale cluster of microspheres with a limited size parameter. By performing accurate characterization employing large-area colloidal crystal films self-assembled by an inclined dip-coating method with a controlled number of layers, this peculiar and efficient diffraction was demonstrated to be a universal property of double-layer colloidal crystal films. (C) 2011 American Institute of Physics. [doi:10.1063/1.3636104]
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