Abstract

The wavelength dependence of the absorption coefficient of molecular oxygen has been measured on the short-wavelength side of the hydrogen Lyman-alpha line at 1215.67 Å. The pressure dependence of the absorption coefficient has also been measured from 100 to 760 torr at 1215.67 and 1213.7 Å. These have been measured on a one-centimeter path length of oxygen utilizing ultraviolet emission from a crossed-beam atomic-collision apparatus. The pressure dependence at 1215.67 Å reported here agrees well with previously published data. However, both the wavelength dependence at 760 torr and the pressure dependence at 1213.7 Å display marked discrepancies from extrapolations of earlier data.

© 1969 Optical Society of America

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References

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  1. W. L. Fite and R. T. Brackmann, Phys. Rev. 112, 1151 (1958).
    [Crossref]
  2. G. H. Dunn, R. Geballe, and D. D. Pretzer, Phys. Rev. 128, 2200 (1962).
    [Crossref]
  3. D. H. Jaecks, B. Van Zyl, and R. Geballe, Phys. Rev. 137, 340 (1965).
    [Crossref]
  4. K. Watanabe, E. C. Y. Inn, and M. Zelikoff, J. Chem. Phys. 21, 1026 (1953). Also K. Watanabe, in Advances in Geophysics, Vol. 5, H. E. Landsberg, Ed. (Academic Press Inc., New York, 1958), p. 154.
    [Crossref]
  5. P. Lee, J. Opt. Soc. Am. 45, 703 (1955).
    [Crossref]
  6. R. W. Ditchburn, J. E. S. Bradley, C. G. Cannon, and G. Munday, in Rocket Exploration of the Upper Atmosphere, R. L. Boyd, Ed. (Pergamon Press, Ltd., London, 1954), p. 327.
  7. P. H. Metzger and G. R. Cook, J. Quant. Spectry. Radiative Transfer 4, 107 (1964).
    [Crossref]
  8. M. Ogawa, J. Geophys. Res. 73, 6759 (1968).
    [Crossref]
  9. R. F. Stebbings, R. A. Young, and C. L. Oxley, H. Ehrhardt. Phys. Rev. 138, 1312 (1965).
    [Crossref]
  10. T. D. Gaily, Ph.D. dissertation, Univ. of Washington (1968) (unpublished).
  11. B. Van Zyl, D. H. Jaecks, D. D. Pretzer, and R. Geballe, Phys. Rev. 136, 1561 (1964).
    [Crossref]
  12. T. D. Gaily, D. H. Jaecks, and R. Geballe, Phys. Rev. 167, 81 (1968).
    [Crossref]
  13. I wish to thank the Space Physics Laboratory of Aerospace Corp., Los Angeles, California for the loan of this device.
  14. K. Watanabe, private communication (1967).
  15. P. H. Metzger, private communication (1967).

1968 (2)

M. Ogawa, J. Geophys. Res. 73, 6759 (1968).
[Crossref]

T. D. Gaily, D. H. Jaecks, and R. Geballe, Phys. Rev. 167, 81 (1968).
[Crossref]

1965 (2)

R. F. Stebbings, R. A. Young, and C. L. Oxley, H. Ehrhardt. Phys. Rev. 138, 1312 (1965).
[Crossref]

D. H. Jaecks, B. Van Zyl, and R. Geballe, Phys. Rev. 137, 340 (1965).
[Crossref]

1964 (2)

B. Van Zyl, D. H. Jaecks, D. D. Pretzer, and R. Geballe, Phys. Rev. 136, 1561 (1964).
[Crossref]

P. H. Metzger and G. R. Cook, J. Quant. Spectry. Radiative Transfer 4, 107 (1964).
[Crossref]

1962 (1)

G. H. Dunn, R. Geballe, and D. D. Pretzer, Phys. Rev. 128, 2200 (1962).
[Crossref]

1958 (1)

W. L. Fite and R. T. Brackmann, Phys. Rev. 112, 1151 (1958).
[Crossref]

1955 (1)

1953 (1)

K. Watanabe, E. C. Y. Inn, and M. Zelikoff, J. Chem. Phys. 21, 1026 (1953). Also K. Watanabe, in Advances in Geophysics, Vol. 5, H. E. Landsberg, Ed. (Academic Press Inc., New York, 1958), p. 154.
[Crossref]

Brackmann, R. T.

W. L. Fite and R. T. Brackmann, Phys. Rev. 112, 1151 (1958).
[Crossref]

Bradley, J. E. S.

R. W. Ditchburn, J. E. S. Bradley, C. G. Cannon, and G. Munday, in Rocket Exploration of the Upper Atmosphere, R. L. Boyd, Ed. (Pergamon Press, Ltd., London, 1954), p. 327.

Cannon, C. G.

R. W. Ditchburn, J. E. S. Bradley, C. G. Cannon, and G. Munday, in Rocket Exploration of the Upper Atmosphere, R. L. Boyd, Ed. (Pergamon Press, Ltd., London, 1954), p. 327.

Cook, G. R.

P. H. Metzger and G. R. Cook, J. Quant. Spectry. Radiative Transfer 4, 107 (1964).
[Crossref]

Ditchburn, R. W.

R. W. Ditchburn, J. E. S. Bradley, C. G. Cannon, and G. Munday, in Rocket Exploration of the Upper Atmosphere, R. L. Boyd, Ed. (Pergamon Press, Ltd., London, 1954), p. 327.

Dunn, G. H.

G. H. Dunn, R. Geballe, and D. D. Pretzer, Phys. Rev. 128, 2200 (1962).
[Crossref]

Fite, W. L.

W. L. Fite and R. T. Brackmann, Phys. Rev. 112, 1151 (1958).
[Crossref]

Gaily, T. D.

T. D. Gaily, D. H. Jaecks, and R. Geballe, Phys. Rev. 167, 81 (1968).
[Crossref]

T. D. Gaily, Ph.D. dissertation, Univ. of Washington (1968) (unpublished).

Geballe, R.

T. D. Gaily, D. H. Jaecks, and R. Geballe, Phys. Rev. 167, 81 (1968).
[Crossref]

D. H. Jaecks, B. Van Zyl, and R. Geballe, Phys. Rev. 137, 340 (1965).
[Crossref]

B. Van Zyl, D. H. Jaecks, D. D. Pretzer, and R. Geballe, Phys. Rev. 136, 1561 (1964).
[Crossref]

G. H. Dunn, R. Geballe, and D. D. Pretzer, Phys. Rev. 128, 2200 (1962).
[Crossref]

Inn, E. C. Y.

K. Watanabe, E. C. Y. Inn, and M. Zelikoff, J. Chem. Phys. 21, 1026 (1953). Also K. Watanabe, in Advances in Geophysics, Vol. 5, H. E. Landsberg, Ed. (Academic Press Inc., New York, 1958), p. 154.
[Crossref]

Jaecks, D. H.

T. D. Gaily, D. H. Jaecks, and R. Geballe, Phys. Rev. 167, 81 (1968).
[Crossref]

D. H. Jaecks, B. Van Zyl, and R. Geballe, Phys. Rev. 137, 340 (1965).
[Crossref]

B. Van Zyl, D. H. Jaecks, D. D. Pretzer, and R. Geballe, Phys. Rev. 136, 1561 (1964).
[Crossref]

Lee, P.

Metzger, P. H.

P. H. Metzger and G. R. Cook, J. Quant. Spectry. Radiative Transfer 4, 107 (1964).
[Crossref]

P. H. Metzger, private communication (1967).

Munday, G.

R. W. Ditchburn, J. E. S. Bradley, C. G. Cannon, and G. Munday, in Rocket Exploration of the Upper Atmosphere, R. L. Boyd, Ed. (Pergamon Press, Ltd., London, 1954), p. 327.

Ogawa, M.

M. Ogawa, J. Geophys. Res. 73, 6759 (1968).
[Crossref]

Oxley, C. L.

R. F. Stebbings, R. A. Young, and C. L. Oxley, H. Ehrhardt. Phys. Rev. 138, 1312 (1965).
[Crossref]

Pretzer, D. D.

B. Van Zyl, D. H. Jaecks, D. D. Pretzer, and R. Geballe, Phys. Rev. 136, 1561 (1964).
[Crossref]

G. H. Dunn, R. Geballe, and D. D. Pretzer, Phys. Rev. 128, 2200 (1962).
[Crossref]

Stebbings, R. F.

R. F. Stebbings, R. A. Young, and C. L. Oxley, H. Ehrhardt. Phys. Rev. 138, 1312 (1965).
[Crossref]

Van Zyl, B.

D. H. Jaecks, B. Van Zyl, and R. Geballe, Phys. Rev. 137, 340 (1965).
[Crossref]

B. Van Zyl, D. H. Jaecks, D. D. Pretzer, and R. Geballe, Phys. Rev. 136, 1561 (1964).
[Crossref]

Watanabe, K.

K. Watanabe, E. C. Y. Inn, and M. Zelikoff, J. Chem. Phys. 21, 1026 (1953). Also K. Watanabe, in Advances in Geophysics, Vol. 5, H. E. Landsberg, Ed. (Academic Press Inc., New York, 1958), p. 154.
[Crossref]

K. Watanabe, private communication (1967).

Young, R. A.

R. F. Stebbings, R. A. Young, and C. L. Oxley, H. Ehrhardt. Phys. Rev. 138, 1312 (1965).
[Crossref]

Zelikoff, M.

K. Watanabe, E. C. Y. Inn, and M. Zelikoff, J. Chem. Phys. 21, 1026 (1953). Also K. Watanabe, in Advances in Geophysics, Vol. 5, H. E. Landsberg, Ed. (Academic Press Inc., New York, 1958), p. 154.
[Crossref]

H. Ehrhardt. Phys. Rev. (1)

R. F. Stebbings, R. A. Young, and C. L. Oxley, H. Ehrhardt. Phys. Rev. 138, 1312 (1965).
[Crossref]

J. Chem. Phys. (1)

K. Watanabe, E. C. Y. Inn, and M. Zelikoff, J. Chem. Phys. 21, 1026 (1953). Also K. Watanabe, in Advances in Geophysics, Vol. 5, H. E. Landsberg, Ed. (Academic Press Inc., New York, 1958), p. 154.
[Crossref]

J. Geophys. Res. (1)

M. Ogawa, J. Geophys. Res. 73, 6759 (1968).
[Crossref]

J. Opt. Soc. Am. (1)

J. Quant. Spectry. Radiative Transfer (1)

P. H. Metzger and G. R. Cook, J. Quant. Spectry. Radiative Transfer 4, 107 (1964).
[Crossref]

Phys. Rev. (5)

B. Van Zyl, D. H. Jaecks, D. D. Pretzer, and R. Geballe, Phys. Rev. 136, 1561 (1964).
[Crossref]

T. D. Gaily, D. H. Jaecks, and R. Geballe, Phys. Rev. 167, 81 (1968).
[Crossref]

W. L. Fite and R. T. Brackmann, Phys. Rev. 112, 1151 (1958).
[Crossref]

G. H. Dunn, R. Geballe, and D. D. Pretzer, Phys. Rev. 128, 2200 (1962).
[Crossref]

D. H. Jaecks, B. Van Zyl, and R. Geballe, Phys. Rev. 137, 340 (1965).
[Crossref]

Other (5)

I wish to thank the Space Physics Laboratory of Aerospace Corp., Los Angeles, California for the loan of this device.

K. Watanabe, private communication (1967).

P. H. Metzger, private communication (1967).

R. W. Ditchburn, J. E. S. Bradley, C. G. Cannon, and G. Munday, in Rocket Exploration of the Upper Atmosphere, R. L. Boyd, Ed. (Pergamon Press, Ltd., London, 1954), p. 327.

T. D. Gaily, Ph.D. dissertation, Univ. of Washington (1968) (unpublished).

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Figures (2)

Fig. 1
Fig. 1

Pressure dependence of the optical absorption coefficient of molecular oxygen at wavelengths near Lyman-α. Previous results: × Watanabe 4; • Watanabe.14 Present data ▼, ●. Dashed lines indicate a possible fit of the unpublished data of Watanabe.14

Fig. 2
Fig. 2

Wavelength dependence of the optical absorption coefficient of molecular oxygen near Lyman-α. Previous results (extrapolated to zero pressure): ▽ Watanabe4; △ Lee5; ○ Ditchburn et al. Present data (760 torr) ●.

Tables (1)

Tables Icon

Table I Absorption coefficient of oxygen vs wavelength at 760 torr.

Equations (6)

Equations on this page are rendered with MathJax. Learn more.

H + + H ( 1 S ) H ( 2 P ) + H +
H + + H ( 1 S ) H + + H ( 2 P ) ,
I ( λ ) = I 0 ( λ ) exp [ - k ( λ , P ) X ] ,
k ( λ , P ) = σ ( λ , P ) n 0 ,
H 2 + + He H ( 2 P ) + H + + He .
Δ λ / λ = ( v / c ) cos θ .