Abstract

We have measured the line centers and the pressure-induced shifts of 14 lines in the 3ν rotational–vibrational band of carbon monoxide,  12C16O, and 18 lines in the corresponding band of  13C16O. These lines can be used as wavelength references in the optical fiber communication wavelength-division multiplexing L band (approximately 1565–1625 nm). The  12C16O spectrum has useful reference lines from 1560 to 1595 nm, and the  13C16O spectrum has lines from 1595 to 1630 nm. We observed that, except for a shift of 35 nm toward longer wavelengths for the  13C16O spectrum, the behaviors of the two isotopic species are similar. We found that the pressure shift varies with line number, from ∼+0.01 to +0.02 pm/kPa (∼0.16 to 0.31 MHz/Torr). In addition, we measured the pressure broadening of these lines; we found that it also varies with line number and is typically 0.3–0.4 pm/kPa (approximately 5–7 MHz/Torr).

© 2002 Optical Society of America

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References

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    [CrossRef]
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  3. S. L. Gilbert, W. C. Swann, and C. M. Wang, “Hydrogen cyanide H13C14N absorption reference for 1530–1560 nm wavelength calibration—SRM 2519,” Natl. Inst. Stand. Technol. (US) Spec. Publ. 260–137 (1998).
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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2000 (1)

1999 (1)

J. Henningsen, H. Simonsen, T. Møgelberg, and E. Trudsø, “The 0→3 overtone band of CO: precise linestrengths and broadening parameters,” J. Mol. Spectrosc. 193, 354–362 (1999).
[CrossRef] [PubMed]

1998 (1)

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

1997 (1)

N. Picque and G. Guelachvili, “Absolute wavenumbers and self-induced pressure lineshift coefficients for the 3–0 vibration–rotation band of 12C16O,” J. Mol. Spectrosc. 185, 244–248 (1997).
[CrossRef] [PubMed]

1996 (2)

1993 (1)

F. Bertinetto, P. Gambini, R. Lano, and M. Puleo, “Stabilization of the emission frequency of 1.54 μm DFB laser diodes to hydrogen iodide,” IEEE Photon. Technol. Lett. 4, 472–474 (1993).
[CrossRef]

1991 (1)

G. P. Barwood, P. Gill, and W. R. C. Rowley, “Frequency measurements on optically narrowed Rb-stabilized laser diodes at 780 nm and 795 nm,” Appl. Phys. B 53, 142–147 (1991).
[CrossRef]

1984 (1)

Awaji, Y.

Barwood, G. P.

G. P. Barwood, P. Gill, and W. R. C. Rowley, “Frequency measurements on optically narrowed Rb-stabilized laser diodes at 780 nm and 795 nm,” Appl. Phys. B 53, 142–147 (1991).
[CrossRef]

Bertinetto, F.

F. Bertinetto, P. Gambini, R. Lano, and M. Puleo, “Stabilization of the emission frequency of 1.54 μm DFB laser diodes to hydrogen iodide,” IEEE Photon. Technol. Lett. 4, 472–474 (1993).
[CrossRef]

Brown, L. R.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Camy-Peyret, C.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Chance, K. V.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Dana, V.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

de Labachelerie, M.

Edwards, D. P.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Flaud, J.-M.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Gamache, R. R.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Gambini, P.

F. Bertinetto, P. Gambini, R. Lano, and M. Puleo, “Stabilization of the emission frequency of 1.54 μm DFB laser diodes to hydrogen iodide,” IEEE Photon. Technol. Lett. 4, 472–474 (1993).
[CrossRef]

Gilbert, S. L.

Gill, P.

G. P. Barwood, P. Gill, and W. R. C. Rowley, “Frequency measurements on optically narrowed Rb-stabilized laser diodes at 780 nm and 795 nm,” Appl. Phys. B 53, 142–147 (1991).
[CrossRef]

Goldman, A.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Guelachvili, G.

N. Picque and G. Guelachvili, “Absolute wavenumbers and self-induced pressure lineshift coefficients for the 3–0 vibration–rotation band of 12C16O,” J. Mol. Spectrosc. 185, 244–248 (1997).
[CrossRef] [PubMed]

Hall, J.

Hanson, R. K.

Henningsen, J.

J. Henningsen, H. Simonsen, T. Møgelberg, and E. Trudsø, “The 0→3 overtone band of CO: precise linestrengths and broadening parameters,” J. Mol. Spectrosc. 193, 354–362 (1999).
[CrossRef] [PubMed]

Jucks, K. W.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Jungner, P.

Kourogi, M.

Lano, R.

F. Bertinetto, P. Gambini, R. Lano, and M. Puleo, “Stabilization of the emission frequency of 1.54 μm DFB laser diodes to hydrogen iodide,” IEEE Photon. Technol. Lett. 4, 472–474 (1993).
[CrossRef]

Mandin, J.-Y.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Massie, S. T.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

McCann, A.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Møgelberg, T.

J. Henningsen, H. Simonsen, T. Møgelberg, and E. Trudsø, “The 0→3 overtone band of CO: precise linestrengths and broadening parameters,” J. Mol. Spectrosc. 193, 354–362 (1999).
[CrossRef] [PubMed]

Nakagawa, K.

Nemtchinov, V.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Perrin, A.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Picque, N.

N. Picque and G. Guelachvili, “Absolute wavenumbers and self-induced pressure lineshift coefficients for the 3–0 vibration–rotation band of 12C16O,” J. Mol. Spectrosc. 185, 244–248 (1997).
[CrossRef] [PubMed]

Puleo, M.

F. Bertinetto, P. Gambini, R. Lano, and M. Puleo, “Stabilization of the emission frequency of 1.54 μm DFB laser diodes to hydrogen iodide,” IEEE Photon. Technol. Lett. 4, 472–474 (1993).
[CrossRef]

Rinsland, C. P.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Rothman, L. S.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Rowley, W. R. C.

G. P. Barwood, P. Gill, and W. R. C. Rowley, “Frequency measurements on optically narrowed Rb-stabilized laser diodes at 780 nm and 795 nm,” Appl. Phys. B 53, 142–147 (1991).
[CrossRef]

Schroeder, J.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Simonsen, H.

J. Henningsen, H. Simonsen, T. Møgelberg, and E. Trudsø, “The 0→3 overtone band of CO: precise linestrengths and broadening parameters,” J. Mol. Spectrosc. 193, 354–362 (1999).
[CrossRef] [PubMed]

Swann, W. C.

Swartz, S.

Trudsø, E.

J. Henningsen, H. Simonsen, T. Møgelberg, and E. Trudsø, “The 0→3 overtone band of CO: precise linestrengths and broadening parameters,” J. Mol. Spectrosc. 193, 354–362 (1999).
[CrossRef] [PubMed]

Varanasi, P.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Varghese, P. L.

Wattson, R. B.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Ye, J.

Yoshino, K.

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Appl. Opt. (1)

Appl. Phys. B (1)

G. P. Barwood, P. Gill, and W. R. C. Rowley, “Frequency measurements on optically narrowed Rb-stabilized laser diodes at 780 nm and 795 nm,” Appl. Phys. B 53, 142–147 (1991).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

F. Bertinetto, P. Gambini, R. Lano, and M. Puleo, “Stabilization of the emission frequency of 1.54 μm DFB laser diodes to hydrogen iodide,” IEEE Photon. Technol. Lett. 4, 472–474 (1993).
[CrossRef]

J. Mol. Spectrosc. (2)

N. Picque and G. Guelachvili, “Absolute wavenumbers and self-induced pressure lineshift coefficients for the 3–0 vibration–rotation band of 12C16O,” J. Mol. Spectrosc. 185, 244–248 (1997).
[CrossRef] [PubMed]

J. Henningsen, H. Simonsen, T. Møgelberg, and E. Trudsø, “The 0→3 overtone band of CO: precise linestrengths and broadening parameters,” J. Mol. Spectrosc. 193, 354–362 (1999).
[CrossRef] [PubMed]

J. Opt. Soc. Am. B (2)

J. Quant. Spectrosc. Radiat. Transfer (1)

L. S. Rothman, C. P. Rinsland, A. Goldman, S. T. Massie, D. P. Edwards, J.-M. Flaud, A. Perrin, C. Camy-Peyret, V. Dana, J.-Y. Mandin, J. Schroeder, A. McCann, R. R. Gamache, R. B. Wattson, K. Yoshino, K. V. Chance, K. W. Jucks, L. R. Brown, V. Nemtchinov, and P. Varanasi, “The HITRAN molecular spectroscopic database and HAWKS (HITRAN atmospheric workstation): 1996 edition,” J. Quant. Spectrosc. Radiat. Transfer 60, 665–710 (1998); http://www.hitran.com
[CrossRef]

Opt. Lett. (1)

Other (5)

W. Demtröder, Laser Spectroscopy, 2nd ed. (Springer-Verlag, Berlin, 1996), pp. 67–82.

P. A. Boggs, R. H. Byrd, J. E. Rogers, and R. B. Schnabel, “Users reference guide for ODRPAC version 2.01 software for weighted orthogonal distance regression,” Natl. Inst. Stand. Technol. (US) Interagency Rep. 4834 (1992).

B. N. Taylor and C. E. Kuyatt, “Guidelines for evaluating and expressing the uncertainty of NIST measurement results,” Natl. Inst. Stand. Technol. (US) Tech. Note 1297 (1993).

S. L. Gilbert and W. C. Swann, “Acetylene 12C2H2 absorption reference for 1510 nm to 1540 nm wavelength calibration—SRM 2517a,” Natl. Inst. Stand. Technol. (US) Spec. Publ. 260–133 (2001).

S. L. Gilbert, W. C. Swann, and C. M. Wang, “Hydrogen cyanide H13C14N absorption reference for 1530–1560 nm wavelength calibration—SRM 2519,” Natl. Inst. Stand. Technol. (US) Spec. Publ. 260–137 (1998).

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Figures (8)

Fig. 1
Fig. 1

Carbon monoxide 3ν rotational–vibrational spectra. Top, the  12C16O spectrum; bottom, the  13C16O spectrum. We took these data by passing LED light through an absorption cell and recording the spectrum of the transmitted light with an optical spectrum analyzer with a 0.05-nm resolution bandwidth. The recorded spectrum divided by the LED spectrum is shown. The CO gas pressure was 133 kPa (1000 Torr); light made four passes through the cell for a total optical path length of 80 cm. The bottom spectrum is noisier because of lower power from the LED.

Fig. 2
Fig. 2

Diagram of pressure-shift measurement apparatus.

Fig. 3
Fig. 3

Tunable diode laser scan of the  13C16O R7 line showing transmittance through the low-pressure (26.7-kPa) and high-pressure (133-kPa) cells.

Fig. 4
Fig. 4

(a) FWHM of the Lorentzian component of the  13C16O R7 line versus pressure and the corresponding linear least-squares fit to the data (error bars are smaller than the points). (b) Line R7 center wavelength shift from the zero-pressure value versus pressure and the corresponding linear least-squares fit to the data; the error bars are 1 standard uncertainty (1σ).

Fig. 5
Fig. 5

Pressure-shift coefficient versus line number for  13C16O.

Fig. 6
Fig. 6

Pressure dependence of the Lorentzian component (FWHM) of the linewidth versus line number for  13C16O.

Fig. 7
Fig. 7

Comparison of  12C16O pressure-shift results. Plotted is the difference between the results of this work, with 1σ standard uncertainty error bars, and the measurements of Picque and Guelachvili.5 The difference between the results of Henningsen et al.6 and Ref. 5 are also plotted.

Fig. 8
Fig. 8

Comparison of  12C16O line-center results. Plotted is the difference between the results of this work, with 1σ standard uncertainty error bars, and the measurements of Picque and Guelachvili.5 The HITRAN database values7 (not shown) are all within 0.02 pm of the Picque–Guelachvili values.

Tables (2)

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Table 1  12C16O Line-Center, Pressure-Shift, and Pressure-Broadening Resultsa

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Table 2  13C16O Line-Center, Pressure-Shift, and Pressure-Broadening Resultsa

Equations (1)

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IT=I0 exp(-αL),

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