Gas sensing using air-guiding photonic bandgap fibers

被引：363

作者：

Ritari, T

Tuominen, J

Ludvigsen, H

Petersen, JC

Sorensen, T

Hansen, TP

Simonsen, HR

机构：

[1] Aalto Univ, Dept Elect & Commun Engn, Fiber Opt Grp, FI-02015 Espoo, Finland

[2] Danish Inst Fundamental Metrol, DK-2800 Lyngby, Denmark

[3] Tech Univ Denmark, Res Ctr COM, DK-2800 Lyngby, Denmark

[4] Crystal Fibre AS, DK-3460 Birkerod, Denmark

来源：

OPTICS EXPRESS | 2004年 / 12卷 / 17期

关键词：

D O I：

10.1364/OPEX.12.004080

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate the high sensitivity of gas sensing using a novel air-guiding photonic bandgap fiber. The bandgap fiber is spliced to a standard single-mode fiber at the input end for easy coupling and filled with gas through the other end placed in a vacuum chamber. The technique is applied to characterize absorption lines of acetylene and hydrogen cyanide employing a tunable laser as light source. Measurements with a LED are also performed for comparison. Detection of weakly absorbing gases such as methane and ammonia is explored. (C) 2004 Optical Society of America.

引用

页码：4080 / 4087

页数：8

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