Table 1 Minimum detection limit and detection precision of CO at different gas pressures.

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

Gas pressure (torr)

Minimum detection limit (ppb)

Detection precision (ppt)

10

55

102

40

18

150

70

13

299

100

9

401

130

5

496

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