Table 2
Nd–Ar PDL FT spectra parameters.
| Spec. | Spec. range (cm−1) | Res. (cm−1) | Pressure (10−3 mbar) | Current (mA) | No. of co-adds | Photomult. tube | Optical filter | Int. calib. lamp | keff (10−7) |
|---|---|---|---|---|---|---|---|---|---|
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
| A | 11890–17687 | 0.045 | 1.7 | 750 | 8 | R928 | OG530 | W | 1.74 ± 0.14 |
| B | 17 687–21 300 | 0.050 | 2.2 | 750 | 7 | R11586 | GG475 | W | 1.39 ± 0.09 |
| C | 21 300–25 369 | 0.050 | 2.3 | 650–750 | 19 | R11586 | GG385+SP500 | W | −3.10 ± 0.20 |
| D | 25 369–32480 | 0.055 | 2.4 | 750 | 21 | R11586 | UG5-C | W | −2.95 ± 0.12 |
| E | 32480–14422 | 0.070 | 1.7 | 750 | 23 | R7154 | – | D2 | −2.88 ± 0.19 |
| F | 44422–53 822 | 0.080 | 2.0 | 750 | 32 | R8486 | 180-B-1D | D2 | 4.32 ± 0.38 |
Notes. Column 1 is the spectrum name, Col. 2 is the spectral range within which the corresponding transitions were measured, Cols. 3–5 are the spectral resolution, running pressures and currents, respectively, Col. 6 is the number of interferogram co-adds, and Cols. 7–9 are the detector, filter, and intensity calibration lamp used, respectively, W indicates tungsten lamp and D2 indicates deuterium lamp. The final column lists the wavenumber calibration factors and their uncertainties.
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