Terahertz Sensing of Thin Poly(ethylene Terephthalate) Film Thickness Using a Metallic Mesh

被引：27

作者：

Yoshida, Shigeki ^{[1
]}

Kato, Eiji ^{[1
,2
]}

Suizu, Koji ^{[1
]}

Nakagomi, Yoichi ^{[1
]}

Ogawa, Yuichi ^{[3
]}

Kawase, Kodo ^{[1
,3
,4
]}

机构：

[1] Nagoya Univ, Chikusa Ku, Nagoya, Aichi 4648603, Japan

[2] Advantest Labs Ltd, Aoba Ku, Sendai, Miyagi 9893124, Japan

[3] Tohoku Univ, Aoba Ku, Sendai, Miyagi 9818555, Japan

[4] RIKEN, Aoba Ku, Sendai, Miyagi 9800845, Japan

来源：

APPLIED PHYSICS EXPRESS | 2009年 / 2卷 / 01期

关键词：

SUBWAVELENGTH HOLE ARRAYS; TRANSMISSION CHARACTERISTICS;

D O I：

10.1143/APEX.2.012301

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A metallic mesh, i.e., a metallic thin film with regularly spaced openings, works as a band-pass filter in the terahertz region. The filter's transmittance is far higher than the open-area ratio and its transmission spectrum is affected by the index of refraction in and above the openings. Therefore, metallic-mesh films can be used as high-sensitivity sensing or imaging conduits if samples adhere to the metal surface. Here, we report on our success in detecting 1-mu m-thickness differences in poly(ethylene terephthalate) (PET) films and recording two-dimensional (2D) images using metallic-mesh sensing and imaging applications. (C) 2009 The Japan Society of Applied Physics

引用

页码：0123011 / 0123013

页数：3

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