Figure 5 | Scientific Reports

Figure 5

From: Highly Sensitive and Precise Analysis of SF6 Decomposition Component CO by Multi-comb Optical-feedback Cavity Enhanced Absorption Spectroscopy with a 2.3 μm Diode Laser

Figure 5The alternative text for this image may have been generated using AI.

Absorption spectra of CO at different concentrations in SF6 mixtures after integration the data of 30 s (40 torr). The spectrum of 20 ppb CO can be clearly seen. The minimum detection limit of CO in SF6 mixtures at 40 torr reaches to 18 ppb.

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