Light induced conch-shaped relief in an azo-polymer film

被引：117

作者：

Watabe, Mizuki ^{[1
]}

Juman, Guzhaliayi ^{[1
]}

Miyamoto, Katsuhiko ^{[1
]}

Omatsu, Takashige ^{[1
,2
]}

机构：

[1] Chiba Univ, Grad Sch Adv Integrat Sci, Chiba 2638522, Japan

[2] Japan Sci & Technol Agcy, CREST, Chiyoda Ku, Tokyo 1020075, Japan

来源：

SCIENTIFIC REPORTS | 2014年 / 4卷

基金：

日本学术振兴会; 日本科学技术振兴机构;

关键词：

ORBITAL ANGULAR-MOMENTUM; OPTICAL-VORTEX; SURFACE; BEAM; FORCES;

D O I：

10.1038/srep04281

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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.

引用

页数：5

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