Journal of Sensors / 2009 / Article / Fig 4

Research Article

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

Figure 4

(a) photo of HC-PCF misaligned with the ferrule; (b) photo of the HC-PCF aligned with the ferrule; (c) detailed photo of the HC-PCF aligned with the ferrule.

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