期刊
SCIENTIFIC REPORTS
卷 4, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep04281
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资金
- Japan Science and Technology Agency
- Japan Society for the Promotion of Science [24360022]
- Grants-in-Aid for Scientific Research [25600108] Funding Source: KAKEN
We have discovered that a novel chiral structured surface relief (termed 'conch'-shaped surface relief) with a height of over 1 mu m can be formed in an azo-polymer film merely by employing circularly polarized optical vortex irradiation with a total angular momentum of j = +/- 2. The temporal evolution of the conch-shaped surface relief in the azo-polymer film was also observed. The results provide physical insight into how the angular momentum of light is transferred to a material through mass transport by cis-trans photo-isomerization. Such conch-shaped surface reliefs with chirality, in which functional chemical composites can be doped, enable new applications, such as planar chiral metamaterials, plasmonic holograms, and identification of chiral chemical composites.
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