Research Article

A Gas Cell Based on Hollow-Core Photonic Crystal Fiber (PCF) and Its Application for the Detection of Greenhouse Gas (GHG): Nitrous Oxide (N2O)

Figure 8

Direct Absorption Spectra of N2O gas after subtracting the N2 gas spectrum as background for (a) 40 m and (b) 20 m of PCF, respectively. The inset in the figures shows the schematic of the gas cell shown in Figure 1.
(a)
(b)