Influence of OH-group concentration on optical properties of silica glass in terahertz frequency region

被引：18

作者：

Tsuzuki, Satoshi ^{[1
]}

Kuzuu, Nobu ^{[2
]}

Horikoshi, Hideharu ^{[3
]}

Saito, Katsuya ^{[1
]}

Yamamoto, Kohji ^{[1
]}

Tani, Masahiko ^{[1
]}

机构：

[1] Univ Fukui, Res Ctr Dev Far Infrared Reg, Fukui 9108507, Japan

[2] Univ Fukui, Fac Engn, Fukui 9108507, Japan

[3] Tosoh SGM Corp, Shunan, Yamaguchi 7460006, Japan

来源：

APPLIED PHYSICS EXPRESS | 2015年 / 8卷 / 07期

关键词：

TIME-DOMAIN SPECTROSCOPY; FAR INFRARED-ABSORPTION; PHOTOCONDUCTIVE ANTENNA; AMORPHOUS MATERIALS; RADIATION; TEMPERATURE; COUPLER; OUTPUT;

D O I：

10.7567/APEX.8.072402

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We evaluated the optical properties of various types of silica glass with different OH-group concentrations by using terahertz (THz) time-domain spectroscopy. The results show that the absorption coefficient in the THz frequency region varied with the OH-group concentration and that the variation depended only on the OH-group concentration, irrespective of the glass-manufacturing process. On the other hand, the refractive index did not depend on the OH-group concentration. Thus, the THz optical properties of silica glass can be predicted based on the OH-group concentration in the glass, and vice versa. (C) 2015 The Japan Society of Applied Physics

引用

页数：4

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