Journal of Sensors / 2009 / Article / Fig 11

Research Article

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

Figure 11

(Experimental results for the diffusion time of 5 of inside an HC-PCF with a length of 13.7 cm (two open ends). The theoretical expected value (241 seconds) is shown by the vertical line, while the experimental one is 248 seconds.

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