Abstract

Continuous-wave lasing has been obtained on the 2 → 1 vibrational transition of impurity CN ions in KBr. Population inversion is produced by optical pumping of the weakly allowed first-overtone level of the molecule with a tunable (F2+)A color-center laser.

© 1985 Optical Society of America

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References

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  1. Y. Yang, F. Lüty, Phys. Rev. Lett. 51, 419 (1983).
    [Crossref]
  2. R. W. Tkach, T. R. Gosnell, A. J. Sievers, Opt. Lett. 9, 122 (1984).
    [Crossref] [PubMed]
  3. C. R. Pollock, D. A. Jennings, Appl. Phys. B 28, 308 (1982).
  4. J. Manz, Chem. Phys. Lett. 51, 477 (1977).
    [Crossref]
  5. T. R. Gosnell, R. W. Tkach, A. J. Sievers, Infrared Phys. (to be published).
  6. W. D. Seward, V. Narayanamurti, Phys. Rev. 148, 463 (1966).
    [Crossref]
  7. K. P. Koch, Y. Yang, F. Lüty, Phys. Rev. B 29, 5840 (1984).
    [Crossref]
  8. T. R. Gosnell, R. W. Tkach, A. J. Sievers, Solid State Commun. (to be published).

1984 (2)

1983 (1)

Y. Yang, F. Lüty, Phys. Rev. Lett. 51, 419 (1983).
[Crossref]

1982 (1)

C. R. Pollock, D. A. Jennings, Appl. Phys. B 28, 308 (1982).

1977 (1)

J. Manz, Chem. Phys. Lett. 51, 477 (1977).
[Crossref]

1966 (1)

W. D. Seward, V. Narayanamurti, Phys. Rev. 148, 463 (1966).
[Crossref]

Gosnell, T. R.

R. W. Tkach, T. R. Gosnell, A. J. Sievers, Opt. Lett. 9, 122 (1984).
[Crossref] [PubMed]

T. R. Gosnell, R. W. Tkach, A. J. Sievers, Infrared Phys. (to be published).

T. R. Gosnell, R. W. Tkach, A. J. Sievers, Solid State Commun. (to be published).

Jennings, D. A.

C. R. Pollock, D. A. Jennings, Appl. Phys. B 28, 308 (1982).

Koch, K. P.

K. P. Koch, Y. Yang, F. Lüty, Phys. Rev. B 29, 5840 (1984).
[Crossref]

Lüty, F.

K. P. Koch, Y. Yang, F. Lüty, Phys. Rev. B 29, 5840 (1984).
[Crossref]

Y. Yang, F. Lüty, Phys. Rev. Lett. 51, 419 (1983).
[Crossref]

Manz, J.

J. Manz, Chem. Phys. Lett. 51, 477 (1977).
[Crossref]

Narayanamurti, V.

W. D. Seward, V. Narayanamurti, Phys. Rev. 148, 463 (1966).
[Crossref]

Pollock, C. R.

C. R. Pollock, D. A. Jennings, Appl. Phys. B 28, 308 (1982).

Seward, W. D.

W. D. Seward, V. Narayanamurti, Phys. Rev. 148, 463 (1966).
[Crossref]

Sievers, A. J.

R. W. Tkach, T. R. Gosnell, A. J. Sievers, Opt. Lett. 9, 122 (1984).
[Crossref] [PubMed]

T. R. Gosnell, R. W. Tkach, A. J. Sievers, Infrared Phys. (to be published).

T. R. Gosnell, R. W. Tkach, A. J. Sievers, Solid State Commun. (to be published).

Tkach, R. W.

R. W. Tkach, T. R. Gosnell, A. J. Sievers, Opt. Lett. 9, 122 (1984).
[Crossref] [PubMed]

T. R. Gosnell, R. W. Tkach, A. J. Sievers, Infrared Phys. (to be published).

T. R. Gosnell, R. W. Tkach, A. J. Sievers, Solid State Commun. (to be published).

Yang, Y.

K. P. Koch, Y. Yang, F. Lüty, Phys. Rev. B 29, 5840 (1984).
[Crossref]

Y. Yang, F. Lüty, Phys. Rev. Lett. 51, 419 (1983).
[Crossref]

Appl. Phys. B (1)

C. R. Pollock, D. A. Jennings, Appl. Phys. B 28, 308 (1982).

Chem. Phys. Lett. (1)

J. Manz, Chem. Phys. Lett. 51, 477 (1977).
[Crossref]

Opt. Lett. (1)

Phys. Rev. (1)

W. D. Seward, V. Narayanamurti, Phys. Rev. 148, 463 (1966).
[Crossref]

Phys. Rev. B (1)

K. P. Koch, Y. Yang, F. Lüty, Phys. Rev. B 29, 5840 (1984).
[Crossref]

Phys. Rev. Lett. (1)

Y. Yang, F. Lüty, Phys. Rev. Lett. 51, 419 (1983).
[Crossref]

Other (2)

T. R. Gosnell, R. W. Tkach, A. J. Sievers, Infrared Phys. (to be published).

T. R. Gosnell, R. W. Tkach, A. J. Sievers, Solid State Commun. (to be published).

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Figures (3)

Fig. 1
Fig. 1

Energy-level diagram showing the first three states of the anharmonic vibrational manifold of CN. Pumping of the first-overtone levei leads to lasing on the 2 → 1 transition.

Fig. 2
Fig. 2

(a) Lasing at 2054 cm−1 from a 0.5% KCN-doped crystal at 1.7 K (upper trace) versus the chopped pump pulse at 4130 cm−1. (b) Continuous-wave lasing of a 0.05% sample. Peak output power for both types of crystal is estimated at a few microwatts.

Fig. 3
Fig. 3

CN laser output signal versus pump power showing threshold at ∼1.5 mW. Lasing is quenched at 4 K because of thermally induced VV transfer.

Equations (1)

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CN ( 2 ) + CN ( 0 ) + 25 cm 1 2 CN ( 1 ) ,

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