Journal of Sensors / 2009 / Article / Fig 12

Research Article

Remote System for Detection of Low-Levels of Methane Based on Photonic Crystal Fibres and Wavelength Modulation Spectroscopy

Figure 12

(a) Diagram of the gas measurement unit prototype; (b) photo of the unit; (c) response for a methane concentration change.
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(a)
398403.fig.0012b
(b)
398403.fig.0012c
(c)

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