Electric Field Effect on Optical Second-harmonic Generation of Amphoteric Megamolecule Aggregates

被引：4

作者：

Zhao, Yue ^{[1
]}

Li, Yanrong ^{[1
]}

Hien, Khuat Thi Thu ^{[1
]}

Mizutani, Goro ^{[1
]}

Ito, Nobuaki ^{[2
]}

Rutt, Harvey N. ^{[3
]}

Okajima, Maiko ^{[1
]}

Kaneko, Tatsuo ^{[1
]}

机构：

[1] Japan Adv Inst Sci & Technol, Sch Mat Sci, Nomi, Ishikawa 9231292, Japan

[2] Japan Adv Inst Sci & Technol, Ctr Nano Mat & Technol, Nomi, Ishikawa 9231292, Japan

[3] Univ Southampton, Sch Elect & Comp Sci, Southampton SO17 1BJ, Hants, England

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2017年 / 86卷 / 12期

关键词：

ANTI-HIV ACTIVITY; APHANOTHECE-SACRUM; POLYSACCHARIDES; MICROSCOPY; HYDROGELS; SULFATE; TISSUE; OKADA;

D O I：

10.7566/JPSJ.86.124401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have detected second-order nonlinear optical response from an amphoteric mega-saccharides named sacran under a needle/ring electrode stimulus by using an optical second harmonic generation (SHG) microscope. SHG was observed from sacran in the neighborhood of the negatively biased needle electrode below -4.5V with respect to the outer ring electrode. From the incident light polarization dependence of SHG, this sacran was suggested to be oriented toward the electrode needle. SHG of the sacran polymer was judged to be induced by sacran aggregates with net positive charge.

引用

页数：6

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