Table 2 Comparison of the experimental spectral bandwidth (∆ν) and transmittance (T ) parameters of the four absorption profiles with the HITRAN and manufacturer databases. Experimental data are also fitted to a Voigt profile.
From: Multi-gas dual-comb spectroscopy with tunable gain-switched laser diodes
Database parameters | Experimental | Voigt | HITRAN | Manufacturer | ||||
|---|---|---|---|---|---|---|---|---|
∆ν (GHz) | T | ∆ν (GHz) | T | ∆ν (GHz) | T | ∆ν (GHz) | T | |
NH3 @1531.67 nm | 5.11 | 0.74 | 5.11 | 0.73 | 3.84 | 0.74 | 5.00 | 0.75 |
HCN @1549.73 nm | 6.25 | 0.58 | 6.00 | 0.53 | 6.39 | 0.52 | 7.49 | 0.58 |
CO @1569.45 nm | 2.44 | 0.84 | 2.44 | 0.84 | 3.66 | 0.85 | 2.35 | 0.84 |
CO2 @1572.02 nm | 4.86 | 0.91 | 4.86 | 0.90 | 4.86 | 0.90 | 6.07 | 0.91 |
