J. S. Wells, F. R. Petersen, A. G. Maki, and D. J. Sukle, "Heterodyne frequency measurements on the 11.6-μm band of OCS: new frequency/wavelength calibration tables for 11.6- and 5.8-μm OCS bands," Appl. Opt. 20, 1676-1684 (1981)
Heterodyne difference frequency measurements between a 13CO2 laser and a diode laser tuned (and in most cases locked) to the peaks of OCS absorption lines have been used to improve frequency calibration tables in the 860-cm−1 region by factors of 20–50. Measurements have been made on the vibrational transitions 1000–0000, 1110–0110, and 2000–1000 for OCS. The measurements on the 1000–0000 and 2000–1000 transitions are also used to provide frequency calibration tables for the 2000–0000 band of OCS near 1700 cm−1.
J. S. Wells, F. R. Petersen, A. G. Maki, and D. J. Sukle, "Heterodyne frequency measurements on the 11.6-μm band of OCS: new frequency/wavelength calibration tables for 11.6- and 5.8-μm OCS bands: erratum," Appl. Opt. 20, 2874-2874 (1981) https://www.osapublishing.org/ao/abstract.cfm?uri=ao-20-17-2874
Hiroyuki Sasada, Seiji Takeuchi, Miyako Iritani, and Kenji Nakatani J. Opt. Soc. Am. B 8(4) 713-718 (1991)
References
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The estimated uncertainty in megahertz is given in parentheses.
A 1.25-m stabilized 13CO2 laser was used for lines up to P(46). For J above P(46) and for hot band transitions, a 2-m laser was used.
Except for hot band lines, laser reference frequencies were taken from Freed et al.7
Recent NBS measurements of lasing 13CO2 hot band transitions (0111–1110I).
Table II
Hot Band Transitions for OCS Calibrated Against the 1000–0000 Frequencies
The estimated uncertainty (primarily associated with temperature instability in the etalon which we believe is the major source of error in these experiments) is given in parentheses in megahertz.
Observed frequencies minus frequencies calculated with the constants given in Table III.
The separation of the e and f components for P(5) and R(1) was estimated, and the unresolved measurements were corrected for this splitting.
Table III
Wave Numbers, Frequencies, and Intensities (at 296 K) of Spectral Lines of the 1000–0000 Band of OCS from 815 to 892 cm−1
The statistically estimated uncertainties in the last digits (one standard deviation) are given in parentheses following each value. Since systematic errors have not been taken into account, these estimated uncertainties may be slightly optimistic.
To convert from frequency units to wave number units, use 299 792 458 m/sec for the speed of light.16
See Ref. 10; the negligible difference in the B0 and D0 values given in Ref. 10 and in this work arises from the inclusion of an H0 term in Ref. 10.
Table V
Wave Numbers, Frequencies, and Intensities (at 296 K) of Spectral Lines of the 2000–0000 Band of OCS from 1662 to 1738 cm−1
The estimated uncertainty in megahertz is given in parentheses.
A 1.25-m stabilized 13CO2 laser was used for lines up to P(46). For J above P(46) and for hot band transitions, a 2-m laser was used.
Except for hot band lines, laser reference frequencies were taken from Freed et al.7
Recent NBS measurements of lasing 13CO2 hot band transitions (0111–1110I).
Table II
Hot Band Transitions for OCS Calibrated Against the 1000–0000 Frequencies
The estimated uncertainty (primarily associated with temperature instability in the etalon which we believe is the major source of error in these experiments) is given in parentheses in megahertz.
Observed frequencies minus frequencies calculated with the constants given in Table III.
The separation of the e and f components for P(5) and R(1) was estimated, and the unresolved measurements were corrected for this splitting.
Table III
Wave Numbers, Frequencies, and Intensities (at 296 K) of Spectral Lines of the 1000–0000 Band of OCS from 815 to 892 cm−1
The statistically estimated uncertainties in the last digits (one standard deviation) are given in parentheses following each value. Since systematic errors have not been taken into account, these estimated uncertainties may be slightly optimistic.
To convert from frequency units to wave number units, use 299 792 458 m/sec for the speed of light.16
See Ref. 10; the negligible difference in the B0 and D0 values given in Ref. 10 and in this work arises from the inclusion of an H0 term in Ref. 10.
Table V
Wave Numbers, Frequencies, and Intensities (at 296 K) of Spectral Lines of the 2000–0000 Band of OCS from 1662 to 1738 cm−1
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