Enhanced THz transmission apertures through sub-wavelength annular apertures

被引：0
|
作者：
Gallant, A. J. [1 ]
Levitt, J. A. [2 ]
Kaliteevski, M. [2 ]
Wood, D. [1 ]
Petty, M. C. [1 ]
Abram, R. A. [2 ]
Brand, S. [2 ]
Chamberlain, J. M. [2 ]
机构：
[1] Univ Durham, Sch English, South Rd, Durham DH1 3LE, England
[2] Univ Durham, Dept Phys, Durham DH1 3LE, England
来源：
PLASMONICS: METALLIC NANOSTRUCTURES AND THEIR OPTICAL PROPERTIES IV | 2006年 / 6323卷
基金：
英国工程与自然科学研究理事会;
关键词：
THz; sub-wavelength apertures; coaxial;
D O I：
10.1117/12.680552
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We report on the development of a surface micromachined process for the fabrication of coaxial apertures surrounded by periodic grooves. The process uses a combination of copper electroforming and the negative epoxy based resist, SU8, as a thin flexible substrate. The device dimensions are suitable for the implementation of filters at THz frequencies, and measurements show a pass band centred around 1.5 THz. These devices could form the basis of the next generation of THz biosensors.
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页数：8
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