Exploitation of multilayer coatings for infrared surface plasmon resonance fiber sensors

被引：26

作者：

Allsop, T. ^{[1
]}

Neal, R. ^{[2
]}

Mou, C.

Brown, P. ^{[2
]}

Saied, S. ^{[3
]}

Rehman, S. ^{[1
]}

Kalli, K. ^{[4
]}

Webb, D. J. ^{[1
]}

Sullivan, J. ^{[3
]}

Mapps, D. ^{[2
]}

Bennion, I. ^{[1
]}

机构：

[1] Aston Univ, Photon Res Grp, Birmingham B4 7ET, W Midlands, England

[2] Univ Plymouth, Dept Commun & Elect Engn, Fac Technol, Plymouth PL4 8AA, Devon, England

[3] Aston Univ, Surface Sci Res Grp, Birmingham B4 7ET, W Midlands, England

[4] Cyprus Univ Technol, Dept Elect Engn & Informat Technol, CY-3036 Lemessos, Cyprus

来源：

APPLIED OPTICS | 2009年 / 48卷 / 02期

关键词：

SENSING CHARACTERISTICS; SENSITIVITY; GRATINGS; REGIMES;

D O I：

10.1364/AO.48.000276

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate surface plasmon resonance (SPR) fiber devices based upon ultraviolet inscription of a grating-type structure into both single-layered and multilayered thin films deposited on the flat side of a lapped D-shaped fiber. The single-layered devices were fabricated from germanium, while the multilayered ones comprised layers of germanium, silica, and silver. Some of the devices operated in air with high coupling efficiency in excess of 40 dB and an estimated index sensitivity of Delta lambda/Delta n = 90 mn from 1 to 1.15 index range, while others provided an index sensitivity of Delta lambda/Delta n = 6790 mn for refractive indices from 1.33 to 1.37. (C) 2009 Optical Society of America

引用

页码：276 / 286

页数：11

共 27 条

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