Measurement of low gas concentrations using photonic bandgap fiber cell

Xuefeng Li; Joanna Pawlat; Jinxing Liang; Toshitsugu Ueda

doi:10.1109/JSEN.2010.2040386

Measurement of low gas concentrations using photonic bandgap fiber cell

Xuefeng Li, Joanna Pawlat, Jinxing Liang, Toshitsugu Ueda

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

In this paper, we present a novel low-loss splice for use between the photonic bandgap fiber (PBGF) and the conventional solid-core fiber to make PBGFs more functional. Furthermore, the hollow-core and the holes in the cladding of PBGF act as gas pipes. Using the proposed splice, a measurement system for low gas concentrations based on the PBGF cell has been developed and implemented. Experiments for measuring ammonia (NH₃) gas at the ppm level were performed. The basic peak agreed well with the database of the Pacific Northwest National Laboratory (PNNL), meaning that this method can be used to accurately and effectively measure gas concentration. The constructed gas cells are compact and cost-effective for sensitive, rapid, and continuous measurement of gases.

Original language	English
Article number	5443639
Pages (from-to)	1156-1161
Number of pages	6
Journal	IEEE Sensors Journal
Volume	10
Issue number	6
DOIs	https://doi.org/10.1109/JSEN.2010.2040386
Publication status	Published - 2010

Keywords

Hollow core
Mechanical splice
Near-IR region
NH
Optical gas sensor
Photonic bandgap fiber (PBGF)
Spectroscopy

ASJC Scopus subject areas

Electrical and Electronic Engineering
Instrumentation

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abstract = "In this paper, we present a novel low-loss splice for use between the photonic bandgap fiber (PBGF) and the conventional solid-core fiber to make PBGFs more functional. Furthermore, the hollow-core and the holes in the cladding of PBGF act as gas pipes. Using the proposed splice, a measurement system for low gas concentrations based on the PBGF cell has been developed and implemented. Experiments for measuring ammonia (NH3) gas at the ppm level were performed. The basic peak agreed well with the database of the Pacific Northwest National Laboratory (PNNL), meaning that this method can be used to accurately and effectively measure gas concentration. The constructed gas cells are compact and cost-effective for sensitive, rapid, and continuous measurement of gases.",

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