Band pass filters in the 1 μm spectral region:: Thick metal screens

被引：7

作者：

Lueker, A. ^{[2
]}

Hein, H. ^{[2
]}

Schuiz, J. ^{[2
]}

Dambrowsky, N.

Sternberg, O. ^{[3
]}

Sweetgall, M. J. ^{[3
,4
]}

Abdijaliiov, K. ^{[1
,3
]}

Moeller, K. D. ^{[1
,3
]}

Grebel, H. ^{[1
,3
]}

机构：

[1] New Jersey Inst Technol, Dept Elect Engn, Newark, NJ 07102 USA

[2] Forschungszentrum Karlsruhe, Inst Mikrostrukturtech, D-76021 Karlsruhe, Germany

[3] New Jersey Inst Technol, Elect Imaging Ctr, Newark, NJ 07102 USA

[4] Bergen Cty Acad, Hackensack, NJ 07601 USA

来源：

INFRARED PHYSICS & TECHNOLOGY | 2008年 / 51卷 / 03期

基金：

美国国家科学基金会;

关键词：

resonance screen; inductive screens; infrared filters; imperfect manufacturing;

D O I：

10.1016/j.infrared.2007.07.007

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Free standing metal screens have long been used as band pass filters in the infrared (IR) wavelength region. One adjusts the screens' periodicity constant, its opening-to-periodicity aspect ratio and its thickness to achieve desired infrared transmission properties. Here we concentrate on thick screens in the near IR wavelength region (1-2 mu m). In addition to experiments and simulations we have considered the role of screen imperfection on its transmission characteristics. Uneven surfaces, inclined and sometimes rough walls of the screen and waveguide channels may be the result of thick-film lithography which is used in the process for screen manufacturing. Understanding these effects is crucial to applications of these filters in the entire IR region. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：178 / 185

页数：8

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