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. 2019 Mar 28;19(7):1500. doi: 10.3390/s19071500

Figure 10.

Figure 10

Comparison of the wavelength and optical power of the LP16 mode of an electric-arc produced by the LPFG subjected to various temperatures. The results obtained by the developed IU are presented in red. Shown in black, just for comparison, are the measurements obtained by a usual BBLS/OSA scheme.