Gas Sensor Based on Photonic Crystal Fibres in the 2ν(3) and ν(2) + 2ν(3) Vibrational Bands of Methane.
Gas Sensor Based on Photonic Crystal Fibres in the 2ν(3) and ν(2) + 2ν(3) Vibrational Bands of Methane.
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DOI:
10.3390/s90806261
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发表时间:
2009
期刊:
影响因子:
--
通讯作者:
Lopez-Higuera JM
中科院分区:
文献类型:
--
作者:
Cubillas AM;Lazaro JM;Conde OM;Petrovich MN;Lopez-Higuera JM
In this work, methane detection is performed on the 2ν3 and ν2 + 2ν3 absorption bands in the Near-Infrared (NIR) wavelength region using an all-fibre optical sensor. Hollow-core photonic bandgap fibres (HC-PBFs) are employed as gas cells due to their compactness, good integrability in optical systems and feasibility of long interaction lengths with gases. Sensing in the 2ν3 band of methane is demonstrated to achieve a detection limit one order of magnitude better than that of the ν2 + 2ν3 band. Finally, the filling time of a HC-PBF is demonstrated to be dependent on the fibre length and geometry.
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影响因子:
8.4
作者:
Stewart, G;Jin, W;Culshaw, B
通讯作者:
Culshaw, B
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DOI:
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DOI:
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发表时间:
2009
期刊:
Sensors (Basel, Switzerland)
影响因子:
--
作者:
Cubillas AM;Lazaro JM;Conde OM;Petrovich MN;Lopez-Higuera JM
通讯作者:
Lopez-Higuera JM
DOI:
10.1016/j.jqsrt.2004.10.008
发表时间:
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影响因子:
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