Abstract

Infrared–microwave double resonance is studied on five sets of coupled transitions involving torsionally excited states of the vibrational ground state and of the CO-stretch state, and A-state asymmetry splitting parameters are determined. The line shapes show dynamic Stark splitting at low pressure and are dominated by stimulated Raman scattering at high pressure. By analyzing the line shapes in the density-matrix formalism for arbitrary field strength and broadening, we determine the CO-stretch transition dipole moment and extract collision rates for both the CO-stretch state and the vibrational ground state.

© 1988 Optical Society of America

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References

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  1. K. Shimoda, in Laser Spectroscopy of Atoms and Molecules, H. Walther, ed. (Springer-Verlag, Berlin, 1976).
  2. R. M. Lees and J. G. Baker, J. Chem. Phys. 48, 5299–5318 (1968).
    [CrossRef]
  3. Y. Y. Kwan and D. M. Dennison, J. Mol. Spectrosc. 43, 291–319 (1972).
    [CrossRef]
  4. R. M. Lees, C. Young, J. Van der Linde, and B. A. Oliver, J. Mol. Spectrosc. 75, 161–167 (1979).
    [CrossRef]
  5. C. Young, R. M. Lees, J. Van der Linde, and B. A. Oliver, J. Appl. Phys. 50, 3808–3810 (1979).
    [CrossRef]
  6. E. Arimondo, M. Inguscio, A. Moretti, M. Pellegrino, and F. Strumia, Opt. Lett. 5, 496–498 (1980).
    [CrossRef] [PubMed]
  7. N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
    [CrossRef]
  8. T. Amano, J. Mol. Spectrosc. 88, 194–206 (1981).
    [CrossRef]
  9. J. O. Henningsen and J. C. Petersen, in Digest of 11th International Conference on Infrared and Millimeter Waves, G. Moruzzi, ed. (ETS, Pisa, 1986), postdeadline paper.
  10. S. Petersen and J. O. Henningsen, Infrared Phys. 26, 55–71 (1986).
    [CrossRef]
  11. K. J. Button, M. Inguscio, and F. Strumia, eds., Reviews of Infrared and Millimeter Waves (Plenum, New York, 1984), Vol. 2.
    [CrossRef]
  12. G. Moruzzi, F. Strumia, P. Carnesecchi, B. Carli, and M. Carlotti, in Digest of 11th International Conference on Infrared and Millimeter Waves, G. Moruzzi, ed. (ETS, Pisa, 1986), p. 477.
  13. J. O. Henningsen, J. Mol. Spectrosc. 102, 399–415 (1983).
    [CrossRef]
  14. F. R. Petersen, K. M. Evenson, D. A. Jennings, and A. Scalabrin, IEEE J. Quantum Electron. QE-16, 319–323 (1980).
    [CrossRef]
  15. E. V. Ivash and D. M. Dennison, J. Chem. Phys. 21, 1804–1816 (1953).
    [CrossRef]
  16. J. O. Henningsen, Int. J. Infrared Millimeter Waves 7, 1605–1629 (1986).
    [CrossRef]
  17. J. Heppner, C. O. Weiss, U. Hubner, and G. Schinn, IEEE J. Quantum Electron. QE-16, 392–401 (1980).
    [CrossRef]
  18. N. Skribanowitz, M. J. Kelly, and M. S. Feld, Phys. Rev. A 6, 2302–2311 (1972).
    [CrossRef]
  19. T. Oka and T. Shimizu, Appl. Phys. Lett. 19, 88–90 (1971).
    [CrossRef]
  20. S. M. Freund and T. Oka, IEEE J. Quantum Electron. QE-8, 604 (1972).
    [CrossRef]
  21. R. M. Lees, J. Chem. Phys. 57, 2249–2252 (1972).
    [CrossRef]
  22. G. Merkle and J. Heppner, Opt. Commun. 51, 265–270 (1984).
    [CrossRef]
  23. T. E. Gough, X. J. Gu, N. R. Isenor, and G. Scoles, Int. J. Infrared Millimeter Waves 7, 1893–1901 (1986).
    [CrossRef]
  24. M. Hammerich, Physics Laboratory, University of Copenhagen, Copenhagen, Denmark (personal communication).
  25. W. R. McGillivray, J. Phys. B 9, 2511–2520 (1976).
    [CrossRef]
  26. P. Minguzzi, M. Tonelli, C. Carrara, and A. DiLieto, J. Mol. Spectrosc. 109, 395–401 (1985).
    [CrossRef]
  27. D. Seligson, M. Ducloy, J. R. R. Leite, A. Sanchez, and M. S. Feld, IEEE J. Quantum Electron. QE-13, 468–472 (1977).
    [CrossRef]
  28. M. Inguscio, L. R. Zink, K. M. Evenson, and D. J. Jennings, Opt. Lett. 12, 867–869 (1987).
    [CrossRef] [PubMed]
  29. N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
    [CrossRef]

1987 (1)

1986 (3)

T. E. Gough, X. J. Gu, N. R. Isenor, and G. Scoles, Int. J. Infrared Millimeter Waves 7, 1893–1901 (1986).
[CrossRef]

S. Petersen and J. O. Henningsen, Infrared Phys. 26, 55–71 (1986).
[CrossRef]

J. O. Henningsen, Int. J. Infrared Millimeter Waves 7, 1605–1629 (1986).
[CrossRef]

1985 (1)

P. Minguzzi, M. Tonelli, C. Carrara, and A. DiLieto, J. Mol. Spectrosc. 109, 395–401 (1985).
[CrossRef]

1984 (3)

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

G. Merkle and J. Heppner, Opt. Commun. 51, 265–270 (1984).
[CrossRef]

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

1983 (1)

J. O. Henningsen, J. Mol. Spectrosc. 102, 399–415 (1983).
[CrossRef]

1981 (1)

T. Amano, J. Mol. Spectrosc. 88, 194–206 (1981).
[CrossRef]

1980 (3)

J. Heppner, C. O. Weiss, U. Hubner, and G. Schinn, IEEE J. Quantum Electron. QE-16, 392–401 (1980).
[CrossRef]

F. R. Petersen, K. M. Evenson, D. A. Jennings, and A. Scalabrin, IEEE J. Quantum Electron. QE-16, 319–323 (1980).
[CrossRef]

E. Arimondo, M. Inguscio, A. Moretti, M. Pellegrino, and F. Strumia, Opt. Lett. 5, 496–498 (1980).
[CrossRef] [PubMed]

1979 (2)

R. M. Lees, C. Young, J. Van der Linde, and B. A. Oliver, J. Mol. Spectrosc. 75, 161–167 (1979).
[CrossRef]

C. Young, R. M. Lees, J. Van der Linde, and B. A. Oliver, J. Appl. Phys. 50, 3808–3810 (1979).
[CrossRef]

1977 (1)

D. Seligson, M. Ducloy, J. R. R. Leite, A. Sanchez, and M. S. Feld, IEEE J. Quantum Electron. QE-13, 468–472 (1977).
[CrossRef]

1976 (1)

W. R. McGillivray, J. Phys. B 9, 2511–2520 (1976).
[CrossRef]

1972 (4)

Y. Y. Kwan and D. M. Dennison, J. Mol. Spectrosc. 43, 291–319 (1972).
[CrossRef]

N. Skribanowitz, M. J. Kelly, and M. S. Feld, Phys. Rev. A 6, 2302–2311 (1972).
[CrossRef]

S. M. Freund and T. Oka, IEEE J. Quantum Electron. QE-8, 604 (1972).
[CrossRef]

R. M. Lees, J. Chem. Phys. 57, 2249–2252 (1972).
[CrossRef]

1971 (1)

T. Oka and T. Shimizu, Appl. Phys. Lett. 19, 88–90 (1971).
[CrossRef]

1968 (1)

R. M. Lees and J. G. Baker, J. Chem. Phys. 48, 5299–5318 (1968).
[CrossRef]

1953 (1)

E. V. Ivash and D. M. Dennison, J. Chem. Phys. 21, 1804–1816 (1953).
[CrossRef]

Amano, T.

T. Amano, J. Mol. Spectrosc. 88, 194–206 (1981).
[CrossRef]

Arimondo, E.

Baker, J. G.

R. M. Lees and J. G. Baker, J. Chem. Phys. 48, 5299–5318 (1968).
[CrossRef]

Carli, B.

G. Moruzzi, F. Strumia, P. Carnesecchi, B. Carli, and M. Carlotti, in Digest of 11th International Conference on Infrared and Millimeter Waves, G. Moruzzi, ed. (ETS, Pisa, 1986), p. 477.

Carlotti, M.

G. Moruzzi, F. Strumia, P. Carnesecchi, B. Carli, and M. Carlotti, in Digest of 11th International Conference on Infrared and Millimeter Waves, G. Moruzzi, ed. (ETS, Pisa, 1986), p. 477.

Carnesecchi, P.

G. Moruzzi, F. Strumia, P. Carnesecchi, B. Carli, and M. Carlotti, in Digest of 11th International Conference on Infrared and Millimeter Waves, G. Moruzzi, ed. (ETS, Pisa, 1986), p. 477.

Carrara, C.

P. Minguzzi, M. Tonelli, C. Carrara, and A. DiLieto, J. Mol. Spectrosc. 109, 395–401 (1985).
[CrossRef]

Dennison, D. M.

Y. Y. Kwan and D. M. Dennison, J. Mol. Spectrosc. 43, 291–319 (1972).
[CrossRef]

E. V. Ivash and D. M. Dennison, J. Chem. Phys. 21, 1804–1816 (1953).
[CrossRef]

DiLieto, A.

P. Minguzzi, M. Tonelli, C. Carrara, and A. DiLieto, J. Mol. Spectrosc. 109, 395–401 (1985).
[CrossRef]

Ducloy, M.

D. Seligson, M. Ducloy, J. R. R. Leite, A. Sanchez, and M. S. Feld, IEEE J. Quantum Electron. QE-13, 468–472 (1977).
[CrossRef]

Evenson, K. M.

M. Inguscio, L. R. Zink, K. M. Evenson, and D. J. Jennings, Opt. Lett. 12, 867–869 (1987).
[CrossRef] [PubMed]

F. R. Petersen, K. M. Evenson, D. A. Jennings, and A. Scalabrin, IEEE J. Quantum Electron. QE-16, 319–323 (1980).
[CrossRef]

Feld, M. S.

D. Seligson, M. Ducloy, J. R. R. Leite, A. Sanchez, and M. S. Feld, IEEE J. Quantum Electron. QE-13, 468–472 (1977).
[CrossRef]

N. Skribanowitz, M. J. Kelly, and M. S. Feld, Phys. Rev. A 6, 2302–2311 (1972).
[CrossRef]

Freund, S. M.

S. M. Freund and T. Oka, IEEE J. Quantum Electron. QE-8, 604 (1972).
[CrossRef]

Gough, T. E.

T. E. Gough, X. J. Gu, N. R. Isenor, and G. Scoles, Int. J. Infrared Millimeter Waves 7, 1893–1901 (1986).
[CrossRef]

Gu, X. J.

T. E. Gough, X. J. Gu, N. R. Isenor, and G. Scoles, Int. J. Infrared Millimeter Waves 7, 1893–1901 (1986).
[CrossRef]

Hammerich, M.

M. Hammerich, Physics Laboratory, University of Copenhagen, Copenhagen, Denmark (personal communication).

Henningsen, J. O.

J. O. Henningsen, Int. J. Infrared Millimeter Waves 7, 1605–1629 (1986).
[CrossRef]

S. Petersen and J. O. Henningsen, Infrared Phys. 26, 55–71 (1986).
[CrossRef]

J. O. Henningsen, J. Mol. Spectrosc. 102, 399–415 (1983).
[CrossRef]

J. O. Henningsen and J. C. Petersen, in Digest of 11th International Conference on Infrared and Millimeter Waves, G. Moruzzi, ed. (ETS, Pisa, 1986), postdeadline paper.

Heppner, J.

G. Merkle and J. Heppner, Opt. Commun. 51, 265–270 (1984).
[CrossRef]

J. Heppner, C. O. Weiss, U. Hubner, and G. Schinn, IEEE J. Quantum Electron. QE-16, 392–401 (1980).
[CrossRef]

Hubner, U.

J. Heppner, C. O. Weiss, U. Hubner, and G. Schinn, IEEE J. Quantum Electron. QE-16, 392–401 (1980).
[CrossRef]

Inguscio, M.

Ioli, N.

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

Isenor, N. R.

T. E. Gough, X. J. Gu, N. R. Isenor, and G. Scoles, Int. J. Infrared Millimeter Waves 7, 1893–1901 (1986).
[CrossRef]

Ivash, E. V.

E. V. Ivash and D. M. Dennison, J. Chem. Phys. 21, 1804–1816 (1953).
[CrossRef]

Jennings, D. A.

F. R. Petersen, K. M. Evenson, D. A. Jennings, and A. Scalabrin, IEEE J. Quantum Electron. QE-16, 319–323 (1980).
[CrossRef]

Jennings, D. J.

Kelly, M. J.

N. Skribanowitz, M. J. Kelly, and M. S. Feld, Phys. Rev. A 6, 2302–2311 (1972).
[CrossRef]

Kwan, Y. Y.

Y. Y. Kwan and D. M. Dennison, J. Mol. Spectrosc. 43, 291–319 (1972).
[CrossRef]

Lees, R. M.

R. M. Lees, C. Young, J. Van der Linde, and B. A. Oliver, J. Mol. Spectrosc. 75, 161–167 (1979).
[CrossRef]

C. Young, R. M. Lees, J. Van der Linde, and B. A. Oliver, J. Appl. Phys. 50, 3808–3810 (1979).
[CrossRef]

R. M. Lees, J. Chem. Phys. 57, 2249–2252 (1972).
[CrossRef]

R. M. Lees and J. G. Baker, J. Chem. Phys. 48, 5299–5318 (1968).
[CrossRef]

Leite, J. R. R.

D. Seligson, M. Ducloy, J. R. R. Leite, A. Sanchez, and M. S. Feld, IEEE J. Quantum Electron. QE-13, 468–472 (1977).
[CrossRef]

McGillivray, W. R.

W. R. McGillivray, J. Phys. B 9, 2511–2520 (1976).
[CrossRef]

Merkle, G.

G. Merkle and J. Heppner, Opt. Commun. 51, 265–270 (1984).
[CrossRef]

Minguzzi, P.

P. Minguzzi, M. Tonelli, C. Carrara, and A. DiLieto, J. Mol. Spectrosc. 109, 395–401 (1985).
[CrossRef]

Moretti, A.

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

E. Arimondo, M. Inguscio, A. Moretti, M. Pellegrino, and F. Strumia, Opt. Lett. 5, 496–498 (1980).
[CrossRef] [PubMed]

Moruzzi, G.

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

G. Moruzzi, F. Strumia, P. Carnesecchi, B. Carli, and M. Carlotti, in Digest of 11th International Conference on Infrared and Millimeter Waves, G. Moruzzi, ed. (ETS, Pisa, 1986), p. 477.

Oka, T.

S. M. Freund and T. Oka, IEEE J. Quantum Electron. QE-8, 604 (1972).
[CrossRef]

T. Oka and T. Shimizu, Appl. Phys. Lett. 19, 88–90 (1971).
[CrossRef]

Oliver, B. A.

R. M. Lees, C. Young, J. Van der Linde, and B. A. Oliver, J. Mol. Spectrosc. 75, 161–167 (1979).
[CrossRef]

C. Young, R. M. Lees, J. Van der Linde, and B. A. Oliver, J. Appl. Phys. 50, 3808–3810 (1979).
[CrossRef]

Pellegrino, M.

Petersen, F. R.

F. R. Petersen, K. M. Evenson, D. A. Jennings, and A. Scalabrin, IEEE J. Quantum Electron. QE-16, 319–323 (1980).
[CrossRef]

Petersen, J. C.

J. O. Henningsen and J. C. Petersen, in Digest of 11th International Conference on Infrared and Millimeter Waves, G. Moruzzi, ed. (ETS, Pisa, 1986), postdeadline paper.

Petersen, S.

S. Petersen and J. O. Henningsen, Infrared Phys. 26, 55–71 (1986).
[CrossRef]

Roselli, P.

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

Sanchez, A.

D. Seligson, M. Ducloy, J. R. R. Leite, A. Sanchez, and M. S. Feld, IEEE J. Quantum Electron. QE-13, 468–472 (1977).
[CrossRef]

Scalabrin, A.

F. R. Petersen, K. M. Evenson, D. A. Jennings, and A. Scalabrin, IEEE J. Quantum Electron. QE-16, 319–323 (1980).
[CrossRef]

Schinn, G.

J. Heppner, C. O. Weiss, U. Hubner, and G. Schinn, IEEE J. Quantum Electron. QE-16, 392–401 (1980).
[CrossRef]

Scoles, G.

T. E. Gough, X. J. Gu, N. R. Isenor, and G. Scoles, Int. J. Infrared Millimeter Waves 7, 1893–1901 (1986).
[CrossRef]

Seligson, D.

D. Seligson, M. Ducloy, J. R. R. Leite, A. Sanchez, and M. S. Feld, IEEE J. Quantum Electron. QE-13, 468–472 (1977).
[CrossRef]

Shimizu, T.

T. Oka and T. Shimizu, Appl. Phys. Lett. 19, 88–90 (1971).
[CrossRef]

Shimoda, K.

K. Shimoda, in Laser Spectroscopy of Atoms and Molecules, H. Walther, ed. (Springer-Verlag, Berlin, 1976).

Skribanowitz, N.

N. Skribanowitz, M. J. Kelly, and M. S. Feld, Phys. Rev. A 6, 2302–2311 (1972).
[CrossRef]

Strumia, F.

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

E. Arimondo, M. Inguscio, A. Moretti, M. Pellegrino, and F. Strumia, Opt. Lett. 5, 496–498 (1980).
[CrossRef] [PubMed]

G. Moruzzi, F. Strumia, P. Carnesecchi, B. Carli, and M. Carlotti, in Digest of 11th International Conference on Infrared and Millimeter Waves, G. Moruzzi, ed. (ETS, Pisa, 1986), p. 477.

Tonelli, M.

P. Minguzzi, M. Tonelli, C. Carrara, and A. DiLieto, J. Mol. Spectrosc. 109, 395–401 (1985).
[CrossRef]

Van der Linde, J.

C. Young, R. M. Lees, J. Van der Linde, and B. A. Oliver, J. Appl. Phys. 50, 3808–3810 (1979).
[CrossRef]

R. M. Lees, C. Young, J. Van der Linde, and B. A. Oliver, J. Mol. Spectrosc. 75, 161–167 (1979).
[CrossRef]

Weiss, C. O.

J. Heppner, C. O. Weiss, U. Hubner, and G. Schinn, IEEE J. Quantum Electron. QE-16, 392–401 (1980).
[CrossRef]

Young, C.

R. M. Lees, C. Young, J. Van der Linde, and B. A. Oliver, J. Mol. Spectrosc. 75, 161–167 (1979).
[CrossRef]

C. Young, R. M. Lees, J. Van der Linde, and B. A. Oliver, J. Appl. Phys. 50, 3808–3810 (1979).
[CrossRef]

Zink, L. R.

Appl. Phys. Lett. (1)

T. Oka and T. Shimizu, Appl. Phys. Lett. 19, 88–90 (1971).
[CrossRef]

IEEE J. Quantum Electron. (4)

S. M. Freund and T. Oka, IEEE J. Quantum Electron. QE-8, 604 (1972).
[CrossRef]

F. R. Petersen, K. M. Evenson, D. A. Jennings, and A. Scalabrin, IEEE J. Quantum Electron. QE-16, 319–323 (1980).
[CrossRef]

J. Heppner, C. O. Weiss, U. Hubner, and G. Schinn, IEEE J. Quantum Electron. QE-16, 392–401 (1980).
[CrossRef]

D. Seligson, M. Ducloy, J. R. R. Leite, A. Sanchez, and M. S. Feld, IEEE J. Quantum Electron. QE-13, 468–472 (1977).
[CrossRef]

Infrared Phys. (1)

S. Petersen and J. O. Henningsen, Infrared Phys. 26, 55–71 (1986).
[CrossRef]

Int. J. Infrared Millimeter Waves (2)

J. O. Henningsen, Int. J. Infrared Millimeter Waves 7, 1605–1629 (1986).
[CrossRef]

T. E. Gough, X. J. Gu, N. R. Isenor, and G. Scoles, Int. J. Infrared Millimeter Waves 7, 1893–1901 (1986).
[CrossRef]

J. Appl. Phys. (1)

C. Young, R. M. Lees, J. Van der Linde, and B. A. Oliver, J. Appl. Phys. 50, 3808–3810 (1979).
[CrossRef]

J. Chem. Phys. (3)

R. M. Lees and J. G. Baker, J. Chem. Phys. 48, 5299–5318 (1968).
[CrossRef]

E. V. Ivash and D. M. Dennison, J. Chem. Phys. 21, 1804–1816 (1953).
[CrossRef]

R. M. Lees, J. Chem. Phys. 57, 2249–2252 (1972).
[CrossRef]

J. Mol. Spectrosc. (7)

J. O. Henningsen, J. Mol. Spectrosc. 102, 399–415 (1983).
[CrossRef]

Y. Y. Kwan and D. M. Dennison, J. Mol. Spectrosc. 43, 291–319 (1972).
[CrossRef]

R. M. Lees, C. Young, J. Van der Linde, and B. A. Oliver, J. Mol. Spectrosc. 75, 161–167 (1979).
[CrossRef]

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

T. Amano, J. Mol. Spectrosc. 88, 194–206 (1981).
[CrossRef]

P. Minguzzi, M. Tonelli, C. Carrara, and A. DiLieto, J. Mol. Spectrosc. 109, 395–401 (1985).
[CrossRef]

N. Ioli, A. Moretti, G. Moruzzi, P. Roselli, and F. Strumia, J. Mol. Spectrosc. 105, 284–298 (1984).
[CrossRef]

J. Phys. B (1)

W. R. McGillivray, J. Phys. B 9, 2511–2520 (1976).
[CrossRef]

Opt. Commun. (1)

G. Merkle and J. Heppner, Opt. Commun. 51, 265–270 (1984).
[CrossRef]

Opt. Lett. (2)

Phys. Rev. A (1)

N. Skribanowitz, M. J. Kelly, and M. S. Feld, Phys. Rev. A 6, 2302–2311 (1972).
[CrossRef]

Other (5)

M. Hammerich, Physics Laboratory, University of Copenhagen, Copenhagen, Denmark (personal communication).

J. O. Henningsen and J. C. Petersen, in Digest of 11th International Conference on Infrared and Millimeter Waves, G. Moruzzi, ed. (ETS, Pisa, 1986), postdeadline paper.

K. J. Button, M. Inguscio, and F. Strumia, eds., Reviews of Infrared and Millimeter Waves (Plenum, New York, 1984), Vol. 2.
[CrossRef]

G. Moruzzi, F. Strumia, P. Carnesecchi, B. Carli, and M. Carlotti, in Digest of 11th International Conference on Infrared and Millimeter Waves, G. Moruzzi, ed. (ETS, Pisa, 1986), p. 477.

K. Shimoda, in Laser Spectroscopy of Atoms and Molecules, H. Walther, ed. (Springer-Verlag, Berlin, 1976).

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Figures (17)

Fig. 1
Fig. 1

Experimental setup.

Fig. 2
Fig. 2

9070-MHz signal versus pressure.

Fig. 3
Fig. 3

Dynamic Stark effect on 9070-MHz resonance.

Fig. 4
Fig. 4

9406-MHz signal with resonantly enhanced response at +12.6-MHz offset.

Fig. 5
Fig. 5

Assignment of observed resonances with pump lines 9(R)18 and 10(R)10. Level notation follows Ref. 3. IR and FIR frequencies are given in inverse centimeters.

Fig. 6
Fig. 6

Assignment of observed resonance with pump line 10(R) 16. IR and FIR frequencies are given in inverse centimeters.

Fig. 7
Fig. 7

Level designation.

Fig. 8
Fig. 8

Measured and calculated linewidth (FWHM) and amplitude versus pressure. The 9070-MHz signal is recorded at PIR = 500 mW, PMW = 800 mW, and the 9406-MHz signal is recorded at PIR = 350 mW,PMW = 1000 mW.

Fig. 9
Fig. 9

Calculated development of the 9070-MHz signal.

Fig. 10
Fig. 10

Measured and calculated linewidth and dynamic Stark splitting for the 9070-MHz resonance.

Fig. 11
Fig. 11

Comparison of dynamic Stark splitting in four lines.

Fig. 12
Fig. 12

Calculated development to high pressure for the 9070-MHz line.

Fig. 13
Fig. 13

Measured and calculated amplitude at line center and at +12.6-MHz offset (×50) for the 9406-MHz line.

Fig. 14
Fig. 14

Measured signal amplitude versus MW power level.

Fig. 15
Fig. 15

Measured signal amplitude versus IR power level.

Fig. 16
Fig. 16

Measured and calculated linewidth (FWHM) and amplitude versus pressure for resonance with pump line 10(R)16.

Fig. 17
Fig. 17

Summary of asymmetry parameters BC for CH3OH.

Tables (4)

Tables Icon

Table 1 Summary of Observed Double-Resonance Signals

Tables Icon

Table 2 Comparison of Measured and Calculated Frequencies for Transitions Relating to the Three-Level Systems in Fig. 5

Tables Icon

Table 3 Comparison of Measured CO-Stretch Transition Dipole Moments with Results from the Literature

Tables Icon

Table 4 Comparison of Measured Line-Broadening Parameters and Scattering Rates with Results from the Literature

Equations (23)

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n τ , K + 2 , J | H asym 0 | n τ K , J = ¼ ( B C ) × [ ( J K ) ( J K 1 ) ( J + K + 1 ) ( J + K + 2 ) ] 1 / 2 I K , K + 2 ,
Δ ( 122 , J ) = 2 n | 122 , J | H asym 0 | n 10 , J | 2 E ( n 10 , J ) E ( 122 , J ) ,
Δ ( n τ K ) = [ S ( n τ K ) + J ( J + 1 ) T ( n τ K ) ] ( J + K ) ! ( J K ) ! ,
S 0 ( 122 ) = 0.00717 MHz ,
( B C ) 0 = 576 MHz .
S CO ( 122 ) = 0.00667 MHz .
( B C ) CO = 528 MHz .
Δ ( 231 , J ) = ½ ( B C ) 0 I 1 , 1 J ( J + 1 ) .
( B C ) 0 = 886.5 MHz .
α = μ 10 E α 2 ,
β = μ 20 E β 2 ,
μ 10 = | μ 10 | K [ 2 J ( J + 1 ) ] 1 / 2 [ 1 M 2 J ( J + 1 ) ] 1 / 2 ,
μ 20 = | μ 20 | [ ( J + 1 ) 2 K 2 ] 1 / 2 [ ( 2 J + 1 ) ( 2 J + 3 ) ] 1 / 2 [ 1 M 2 ( J + 1 ) 2 ] 1 / 2 ,
γ CO 2 / γ υ = 0 1.15 .
γ = C 0 + C 1 p ,
χ 2 ( υ ) = 4 | E β | 2 α 2 β 2 1 ( k β υ + i γ 02 ) ( ω α ω α 0 + k β υ + i γ 12 ) ,
χ 2 ( υ ) = 16 | E β | 2 α 2 β 4 1 γ 02 2 1 k β υ + i γ 02 Im ( 1 ω α ω α 0 + i γ 01 ) × Im ( 1 k β υ + i γ 02 ) .
| μ 02 | = 6.4 × 10 31 Cm ,
Z 1 f ( 2 J + 1 ) exp [ E ( n τ K , J ) / k T ] ,
[ ( J + 1 ) 2 K 2 3 ( J + 1 ) ( 2 J + 1 ) ] 1 / 2 for R ( J ) ,
[ J 2 K 2 3 J ( 2 J + 1 ) ] 1 / 2 for P ( J ) ,
[ K 2 3 J ( J + 1 ) ] 1 / 2 for Q ( J ) .
γ = π Δ ν .

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