Abstract

Nitrogen laser emission spectra was analyzed using a 0.5-m Jarrell-Ash monochromator. In addition to the (0,0) 337.1-nm band, the laser spectra were found to contain (0,1) 357.69-nm, (2,4) 371.05-nm, (1,0) 315.93-nm, (0,2) 380.49-nm, (0,3) 405.94-nm, (1,3) 375.54-nm, (1,4) 399.84-nm, and (1,2) 353.67-nm bands belonging to the second positive system of the N2 molecule. A new transition from one of the mixed vibrational levels of C and C′ states of the N2 molecule was observed in the laser spectra at 331.83 nm with a relative intensity of ∼29%. Two bands, at 340.85 and 303.49 nm, belonging to the β system of the NO molecule were also observed. The intensity variation of the prominent bands observed was studied with respect to change in operating pressure and voltage for deriving the optimum conditions for emission at these wavelengths. Variations in the intensity of the bands were also studied with change in distance between the laser head and the monochromator; it was observed that an amplification effect had taken place at 331.83 and 340.85 nm, in addition to the (0,0) 337.1-nm band, in the nitrogen laser discharge.

© 1983 Optical Society of America

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References

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  1. V. M. Kaslin, G. G. Petrash, JETP Lett. 3, 55 (1966).
  2. V. M. Kaslin, G. G. Petrash, Sov. Phys. JETP 27, 561 (1968).
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    [CrossRef]
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    [CrossRef] [PubMed]
  10. J. P. Singh, S. N. Thakur, Appl. Opt. 19, 1967 (1980).
  11. R. Beck, W. Englisch, K. Gurs, Table of Laser Lines in Gases and Vapours (Springer, Berlin, 1976), p. 36.
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
  19. D. C. Tyte, Proc. Phys. Soc. London 60, 1347 (1962).
  20. D. C. Tyte, J. Quant. Spectrosc. Radiat. Transfer 5, 545 (1965).
    [CrossRef]

1980 (1)

J. P. Singh, S. N. Thakur, Appl. Opt. 19, 1967 (1980).

1978 (1)

1977 (1)

A. Lofthus, P. H. Krupenie, J. Phys. Chem. Ref. Data 6, 113 (1977).
[CrossRef]

1976 (1)

W. A. Fitzsimmons, L. W. Anderson, C. E. Riedhauser, J. M. Vrtilek, IEEE J. Quantum Electron. QE-10, 624 (1976).
[CrossRef]

1975 (2)

J. Itani, K. Kagawa, Y. Kimura, Appl. Phys. Lett. 27, 503 (1975).
[CrossRef]

S. N. Suchard, L. Galvan, D. G. Sutton, Appl. Phys. Lett. 26, 521 (1975).
[CrossRef]

1972 (1)

1968 (3)

M. Gallardo, C. A. Massone, M. Garavaglia, Appl. Opt. 7, 2418 (1968).
[CrossRef] [PubMed]

J. H. Parks, D. R. Rao, A. Javan, Appl. Phys. Lett. 13, 142 (1968).
[CrossRef]

V. M. Kaslin, G. G. Petrash, Sov. Phys. JETP 27, 561 (1968).

1967 (1)

1966 (1)

V. M. Kaslin, G. G. Petrash, JETP Lett. 3, 55 (1966).

1965 (2)

D. C. Tyte, J. Quant. Spectrosc. Radiat. Transfer 5, 545 (1965).
[CrossRef]

P. K. Carroll, R. S. Mulliken, J. Chem. Phys. 43, 2170 (1965).
[CrossRef]

1962 (1)

D. C. Tyte, Proc. Phys. Soc. London 60, 1347 (1962).

1961 (2)

Y. Tanaka, A. S. Jursa, J. Opt. Soc. Am. 51, 1239 (1961).
[CrossRef]

G. Pannetier, L. Marsigny, H. Guenebaut, C. R. Acad. Sci. 252, 1753 (1961).

Anderson, L. W.

W. A. Fitzsimmons, L. W. Anderson, C. E. Riedhauser, J. M. Vrtilek, IEEE J. Quantum Electron. QE-10, 624 (1976).
[CrossRef]

Beck, R.

R. Beck, W. Englisch, K. Gurs, Table of Laser Lines in Gases and Vapours (Springer, Berlin, 1976), p. 36.

Calatroni, J. A. E.

Carroll, P. K.

P. K. Carroll, R. S. Mulliken, J. Chem. Phys. 43, 2170 (1965).
[CrossRef]

Englisch, W.

R. Beck, W. Englisch, K. Gurs, Table of Laser Lines in Gases and Vapours (Springer, Berlin, 1976), p. 36.

Fitzsimmons, W. A.

W. A. Fitzsimmons, L. W. Anderson, C. E. Riedhauser, J. M. Vrtilek, IEEE J. Quantum Electron. QE-10, 624 (1976).
[CrossRef]

Gallardo, M.

Galvan, L.

S. N. Suchard, L. Galvan, D. G. Sutton, Appl. Phys. Lett. 26, 521 (1975).
[CrossRef]

Garavaglia, M.

Gaydon, A. G.

P. W. B. Pearse, A. G. Gaydon, The Identification of Molecular Spectra (Chapman & Hall, London, 1976).
[CrossRef]

Guenebaut, H.

G. Pannetier, L. Marsigny, H. Guenebaut, C. R. Acad. Sci. 252, 1753 (1961).

Gurs, K.

R. Beck, W. Englisch, K. Gurs, Table of Laser Lines in Gases and Vapours (Springer, Berlin, 1976), p. 36.

Itani, J.

J. Itani, K. Kagawa, Y. Kimura, Appl. Phys. Lett. 27, 503 (1975).
[CrossRef]

Javan, A.

J. H. Parks, D. R. Rao, A. Javan, Appl. Phys. Lett. 13, 142 (1968).
[CrossRef]

Jursa, A. S.

Kagawa, K.

J. Itani, K. Kagawa, Y. Kimura, Appl. Phys. Lett. 27, 503 (1975).
[CrossRef]

Kaslin, V. M.

V. M. Kaslin, G. G. Petrash, Sov. Phys. JETP 27, 561 (1968).

V. M. Kaslin, G. G. Petrash, JETP Lett. 3, 55 (1966).

Kasuya, T.

Kimura, Y.

J. Itani, K. Kagawa, Y. Kimura, Appl. Phys. Lett. 27, 503 (1975).
[CrossRef]

Krupenie, P. H.

A. Lofthus, P. H. Krupenie, J. Phys. Chem. Ref. Data 6, 113 (1977).
[CrossRef]

Launay, F.

Lide, D. R.

Lofthus, A.

A. Lofthus, P. H. Krupenie, J. Phys. Chem. Ref. Data 6, 113 (1977).
[CrossRef]

Marsigny, L.

G. Pannetier, L. Marsigny, H. Guenebaut, C. R. Acad. Sci. 252, 1753 (1961).

Massone, C. A.

Mulliken, R. S.

P. K. Carroll, R. S. Mulliken, J. Chem. Phys. 43, 2170 (1965).
[CrossRef]

Pannetier, G.

G. Pannetier, L. Marsigny, H. Guenebaut, C. R. Acad. Sci. 252, 1753 (1961).

Parks, J. H.

J. H. Parks, D. R. Rao, A. Javan, Appl. Phys. Lett. 13, 142 (1968).
[CrossRef]

Pearse, P. W. B.

P. W. B. Pearse, A. G. Gaydon, The Identification of Molecular Spectra (Chapman & Hall, London, 1976).
[CrossRef]

Petit, A.

Petrash, G. G.

V. M. Kaslin, G. G. Petrash, Sov. Phys. JETP 27, 561 (1968).

V. M. Kaslin, G. G. Petrash, JETP Lett. 3, 55 (1966).

Rao, D. R.

J. H. Parks, D. R. Rao, A. Javan, Appl. Phys. Lett. 13, 142 (1968).
[CrossRef]

Riedhauser, C. E.

W. A. Fitzsimmons, L. W. Anderson, C. E. Riedhauser, J. M. Vrtilek, IEEE J. Quantum Electron. QE-10, 624 (1976).
[CrossRef]

Rostas, J.

Singh, J. P.

J. P. Singh, S. N. Thakur, Appl. Opt. 19, 1967 (1980).

Subhash, N.

N. Subhash, Ph.D. Thesis, Cochin U. (1981).

Suchard, S. N.

S. N. Suchard, L. Galvan, D. G. Sutton, Appl. Phys. Lett. 26, 521 (1975).
[CrossRef]

Sutton, D. G.

S. N. Suchard, L. Galvan, D. G. Sutton, Appl. Phys. Lett. 26, 521 (1975).
[CrossRef]

Tagliaferri, A. A.

Tanaka, Y.

Thakur, S. N.

J. P. Singh, S. N. Thakur, Appl. Opt. 19, 1967 (1980).

Tyte, D. C.

D. C. Tyte, J. Quant. Spectrosc. Radiat. Transfer 5, 545 (1965).
[CrossRef]

D. C. Tyte, Proc. Phys. Soc. London 60, 1347 (1962).

Vrtilek, J. M.

W. A. Fitzsimmons, L. W. Anderson, C. E. Riedhauser, J. M. Vrtilek, IEEE J. Quantum Electron. QE-10, 624 (1976).
[CrossRef]

Appl. Opt. (5)

Appl. Phys. Lett. (3)

J. H. Parks, D. R. Rao, A. Javan, Appl. Phys. Lett. 13, 142 (1968).
[CrossRef]

J. Itani, K. Kagawa, Y. Kimura, Appl. Phys. Lett. 27, 503 (1975).
[CrossRef]

S. N. Suchard, L. Galvan, D. G. Sutton, Appl. Phys. Lett. 26, 521 (1975).
[CrossRef]

C. R. Acad. Sci. (1)

G. Pannetier, L. Marsigny, H. Guenebaut, C. R. Acad. Sci. 252, 1753 (1961).

IEEE J. Quantum Electron. (1)

W. A. Fitzsimmons, L. W. Anderson, C. E. Riedhauser, J. M. Vrtilek, IEEE J. Quantum Electron. QE-10, 624 (1976).
[CrossRef]

J. Chem. Phys. (1)

P. K. Carroll, R. S. Mulliken, J. Chem. Phys. 43, 2170 (1965).
[CrossRef]

J. Opt. Soc. Am. (1)

J. Phys. Chem. Ref. Data (1)

A. Lofthus, P. H. Krupenie, J. Phys. Chem. Ref. Data 6, 113 (1977).
[CrossRef]

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

D. C. Tyte, J. Quant. Spectrosc. Radiat. Transfer 5, 545 (1965).
[CrossRef]

JETP Lett. (1)

V. M. Kaslin, G. G. Petrash, JETP Lett. 3, 55 (1966).

Proc. Phys. Soc. London (1)

D. C. Tyte, Proc. Phys. Soc. London 60, 1347 (1962).

Sov. Phys. JETP (1)

V. M. Kaslin, G. G. Petrash, Sov. Phys. JETP 27, 561 (1968).

Other (3)

R. Beck, W. Englisch, K. Gurs, Table of Laser Lines in Gases and Vapours (Springer, Berlin, 1976), p. 36.

N. Subhash, Ph.D. Thesis, Cochin U. (1981).

P. W. B. Pearse, A. G. Gaydon, The Identification of Molecular Spectra (Chapman & Hall, London, 1976).
[CrossRef]

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Figures (6)

Fig. 1
Fig. 1

Nitrogen laser assembly: (A) top view, (B) sectional view.

Fig. 2
Fig. 2

Nitrogen laser emission spectra at 12-kV charging voltage: (A) at 60-Torr N2; (B) at 100-Torr N2; (C) at 140-Torr N2. The wavelength markings for (B) and (C) are displaced by 10 and 20 nm, respectively, from those shown for (A). Grating, 1180 grooves/mm, 190-nm blazed; exit slit width, 140 μm; entrance slit width, 70 μm; scanning speed, 250 Å/min; chart speed, 2.5 cm/min.

Fig. 3
Fig. 3

High resolution record of the 331.83-nm band. Grating, 1180 grooves/mm, 500-nm blazed; exit slit width, 5 μm; entrance slit width, 70 μm; scanning speed, 10 Å/min; chart speed, 10 cm/min.

Fig. 4
Fig. 4

Intensity variation of prominent N2 bands with pressure and voltage: (A) 337.1 nm; (B) 331.83 nm; (C) 340.85 nm; (D) 357.69 nm; (E) 303.49 nm; (F) 371.05 nm; (G) 315.93 nm.

Fig. 5
Fig. 5

Relative intensity variation of prominent N2 bands with pressure: (A) at 10 kV; (B) at 12 kV.

Fig. 6
Fig. 6

Relative intensity variation of the N2 bands with distance between the laser head and the monochromator.

Tables (1)

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Table I Nitrogen Laser Vibrational Band Assignments

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