Abstract

Laser oscillation at 2054 cm−1 has been observed from a vibrational transition of the CN molecule doped into KBr host crystals. At sufficiently large CN concentrations, population inversion between the υ = 2 and υ = 1 vibrational levels is created by optical pumping of the 0 → 1 transition followed by an efficient vibrational-energy exchange process.

© 1984 Optical Society of America

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References

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  1. H. Dubost, L. Abouf-Marguin, F. Legay, Phys. Rev. Lett. 29, 142 (1972).
    [CrossRef]
  2. F. Legay, in Chemical and Biochemical Applications of Lasers, C. B. Moore, ed. (Academic, New York, 1977), Vol. 2, pp. 43–86.
  3. Y. Yang, F. Luty, Phys. Rev. Lett. 51, 419 (1983).
    [CrossRef]
  4. W. D. Seward, V. Narayanamurti, Phys. Rev. 148, 463 (1966).
    [CrossRef]
  5. H. Dubost, R. Charneau, Chem. Phys. 12, 407 (1976).
    [CrossRef]
  6. H. Dubost, R. Charneau, Chem. Phys. 41, 329 (1979).
    [CrossRef]
  7. J. Manz, Chem. Phys. 24, 51 (1977).
    [CrossRef]
  8. J. Manz, Chem. Phys. Lett. 51, 477 (1977).
    [CrossRef]

1983 (1)

Y. Yang, F. Luty, Phys. Rev. Lett. 51, 419 (1983).
[CrossRef]

1979 (1)

H. Dubost, R. Charneau, Chem. Phys. 41, 329 (1979).
[CrossRef]

1977 (2)

J. Manz, Chem. Phys. 24, 51 (1977).
[CrossRef]

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

1976 (1)

H. Dubost, R. Charneau, Chem. Phys. 12, 407 (1976).
[CrossRef]

1972 (1)

H. Dubost, L. Abouf-Marguin, F. Legay, Phys. Rev. Lett. 29, 142 (1972).
[CrossRef]

1966 (1)

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

Abouf-Marguin, L.

H. Dubost, L. Abouf-Marguin, F. Legay, Phys. Rev. Lett. 29, 142 (1972).
[CrossRef]

Charneau, R.

H. Dubost, R. Charneau, Chem. Phys. 41, 329 (1979).
[CrossRef]

H. Dubost, R. Charneau, Chem. Phys. 12, 407 (1976).
[CrossRef]

Dubost, H.

H. Dubost, R. Charneau, Chem. Phys. 41, 329 (1979).
[CrossRef]

H. Dubost, R. Charneau, Chem. Phys. 12, 407 (1976).
[CrossRef]

H. Dubost, L. Abouf-Marguin, F. Legay, Phys. Rev. Lett. 29, 142 (1972).
[CrossRef]

Legay, F.

H. Dubost, L. Abouf-Marguin, F. Legay, Phys. Rev. Lett. 29, 142 (1972).
[CrossRef]

F. Legay, in Chemical and Biochemical Applications of Lasers, C. B. Moore, ed. (Academic, New York, 1977), Vol. 2, pp. 43–86.

Luty, F.

Y. Yang, F. Luty, Phys. Rev. Lett. 51, 419 (1983).
[CrossRef]

Manz, J.

J. Manz, Chem. Phys. 24, 51 (1977).
[CrossRef]

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

Narayanamurti, V.

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

Seward, W. D.

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

Yang, Y.

Y. Yang, F. Luty, Phys. Rev. Lett. 51, 419 (1983).
[CrossRef]

Chem. Phys. (3)

H. Dubost, R. Charneau, Chem. Phys. 12, 407 (1976).
[CrossRef]

H. Dubost, R. Charneau, Chem. Phys. 41, 329 (1979).
[CrossRef]

J. Manz, Chem. Phys. 24, 51 (1977).
[CrossRef]

Chem. Phys. Lett. (1)

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

Phys. Rev. (1)

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

Phys. Rev. Lett. (2)

Y. Yang, F. Luty, Phys. Rev. Lett. 51, 419 (1983).
[CrossRef]

H. Dubost, L. Abouf-Marguin, F. Legay, Phys. Rev. Lett. 29, 142 (1972).
[CrossRef]

Other (1)

F. Legay, in Chemical and Biochemical Applications of Lasers, C. B. Moore, ed. (Academic, New York, 1977), Vol. 2, pp. 43–86.

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Figures (3)

Fig. 1
Fig. 1

(a) Typical fluorescence signals from the 1 → 0 (2079-cm−1) and 2 → 1 (2054-cm−1) transitions. Signals were acquired with a digital storage oscilloscope set to average 16 shots. The spikes at t = 0 are due to electrical noise and scattered light from the pump laser. (b) Transmitted diode-laser signal indicating stimulated emission from the 2 → 1 transition. The waveform is an average of 256 shots. The fluorescence signal in the absence of the diode laser has been subtracted.

Fig. 2
Fig. 2

Single-shot examples of laser output at 2054 cm−1 on time scales differing by a factor of 10. Coherent intensity was approximately three times the incoherent fluorescence background. The spikes at t = 0 are electrical noise and scattered light.

Fig. 3
Fig. 3

Energy-level diagram for the phonon-assisted VV transfer process that converts a pair of laser-excited υ = 1 levels to υ = 2 and υ = 0 levels. ωp is the pump frequency, and ωa is the anharmonic shift, exaggerated for clarity.

Equations (2)

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A B ( 1 ) + A B ( υ ) A B ( 0 ) + A B ( υ + 1 ) + Δ E
A B ( 1 ) + A B isotope ( υ ) A B ( 0 ) + A B isotope ( υ + 1 ) Δ E .

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