Real-time terahertz near-field microscope

被引：123

作者：

Blanchard, F. ^{[1
,2
]}

Doi, A. ^{[2
,3
]}

Tanaka, T. ^{[1
,2
]}

Hirori, H. ^{[1
,2
]}

Tanaka, H. ^{[2
,4
]}

Kadoya, Y. ^{[2
,4
]}

Tanaka, K. ^{[1
,2
,5
]}

机构：

[1] Kyoto Univ, Inst Integrated Cell Mat Sci, Sakyo Ku, Kyoto 6068501, Japan

[2] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan

[3] Olympus Corp, Hachioji, Tokyo 1928512, Japan

[4] Hiroshima Univ, Dept Quantum Matter, Higashihiroshima 7398530, Japan

[5] Kyoto Univ, Grad Sch Sci, Dept Phys, Sakyo Ku, Kyoto 6068502, Japan

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 09期

关键词：

ELECTROOPTIC DETECTION; TRANSMISSION;

D O I：

10.1364/OE.19.008277

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a terahertz near-field microscope with a high dynamic range that can capture images of a 370 x 740 mu m(2) area at 35 frames per second. We achieve high spatial resolution (14 mu m corresponding to lambda/30 for a center frequency at 0.7 THz) on a large area by combining two novel techniques: terahertz generation by tilted-pulse-front excitation and electro-optic balanced imaging detection using a thin crystal. To demonstrate the microscope capability, we reveal the field enhancement at the gap position of a dipole antenna after the irradiation of a terahertz pulse. (C) 2011 Optical Society of America

引用

页码：8277 / 8284

页数：8

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