Abstract

Problems involved with the use of VUV scanning monochromators in the measurement of absorption line intensities are discussed. Instrument modifications enabling the accurate determination of equivalent widths at maximum wavelength resolution are described.

© 1983 Optical Society of America

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References

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  1. R. D. Hudson, Rev. Geophys. Space Phys. 9, 305 (1971).
    [CrossRef]
  2. R. D. Hudson, S. H. Mahle, J. Geophys. Res. 77, 2902 (1972).
    [CrossRef]
  3. J. E. Frederick, R. D. Hudson, J. Mol. Spectrosc. 74, 247 (1979).
    [CrossRef]
  4. B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 20, 191 (1978).
    [CrossRef]
  5. B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 22, 213 (1979).
    [CrossRef]
  6. H. P. F. Gies, S. T. Gibson, D. G. McCoy, A. J. Blake, B. R. Lewis, J. Quant. Spectrosc. Radiat. Transfer 26, 469 (1981).
    [CrossRef]
  7. J. H. Carver, G. N. Haddad, T. I. Hobbs, B. R. Lewis, D. G. McCoy, Appl. Opt. 17, 420 (1978).
    [CrossRef] [PubMed]
  8. Minuteman model 320 NIV.
  9. B. R. Lewis, Appl. Opt. 21, 2523 (1982).
    [CrossRef] [PubMed]
  10. R. DeSerio, Appl. Opt. 20, 1781 (1981).
    [CrossRef] [PubMed]
  11. A. E. Livingston, S. J. Hinterlong, Appl. Opt. 20, 1727 (1981).
    [CrossRef] [PubMed]
  12. McPherson model 225.
  13. M. Ackerman, F. Biaumé, J. Mol. Spectrosc. 35, 73 (1970).
    [CrossRef]
  14. P. Brix, G. Herzberg, Can. J. Phys. 32, 110 (1954).
    [CrossRef]

1982

1981

A. E. Livingston, S. J. Hinterlong, Appl. Opt. 20, 1727 (1981).
[CrossRef] [PubMed]

R. DeSerio, Appl. Opt. 20, 1781 (1981).
[CrossRef] [PubMed]

H. P. F. Gies, S. T. Gibson, D. G. McCoy, A. J. Blake, B. R. Lewis, J. Quant. Spectrosc. Radiat. Transfer 26, 469 (1981).
[CrossRef]

1979

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 22, 213 (1979).
[CrossRef]

J. E. Frederick, R. D. Hudson, J. Mol. Spectrosc. 74, 247 (1979).
[CrossRef]

1978

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 20, 191 (1978).
[CrossRef]

J. H. Carver, G. N. Haddad, T. I. Hobbs, B. R. Lewis, D. G. McCoy, Appl. Opt. 17, 420 (1978).
[CrossRef] [PubMed]

1972

R. D. Hudson, S. H. Mahle, J. Geophys. Res. 77, 2902 (1972).
[CrossRef]

1971

R. D. Hudson, Rev. Geophys. Space Phys. 9, 305 (1971).
[CrossRef]

1970

M. Ackerman, F. Biaumé, J. Mol. Spectrosc. 35, 73 (1970).
[CrossRef]

1954

P. Brix, G. Herzberg, Can. J. Phys. 32, 110 (1954).
[CrossRef]

Ackerman, M.

M. Ackerman, F. Biaumé, J. Mol. Spectrosc. 35, 73 (1970).
[CrossRef]

Biaumé, F.

M. Ackerman, F. Biaumé, J. Mol. Spectrosc. 35, 73 (1970).
[CrossRef]

Blake, A. J.

H. P. F. Gies, S. T. Gibson, D. G. McCoy, A. J. Blake, B. R. Lewis, J. Quant. Spectrosc. Radiat. Transfer 26, 469 (1981).
[CrossRef]

Brix, P.

P. Brix, G. Herzberg, Can. J. Phys. 32, 110 (1954).
[CrossRef]

Carver, J. H.

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 22, 213 (1979).
[CrossRef]

J. H. Carver, G. N. Haddad, T. I. Hobbs, B. R. Lewis, D. G. McCoy, Appl. Opt. 17, 420 (1978).
[CrossRef] [PubMed]

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 20, 191 (1978).
[CrossRef]

DeSerio, R.

Frederick, J. E.

J. E. Frederick, R. D. Hudson, J. Mol. Spectrosc. 74, 247 (1979).
[CrossRef]

Gibson, S. T.

H. P. F. Gies, S. T. Gibson, D. G. McCoy, A. J. Blake, B. R. Lewis, J. Quant. Spectrosc. Radiat. Transfer 26, 469 (1981).
[CrossRef]

Gies, H. P. F.

H. P. F. Gies, S. T. Gibson, D. G. McCoy, A. J. Blake, B. R. Lewis, J. Quant. Spectrosc. Radiat. Transfer 26, 469 (1981).
[CrossRef]

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 22, 213 (1979).
[CrossRef]

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 20, 191 (1978).
[CrossRef]

Haddad, G. N.

Herzberg, G.

P. Brix, G. Herzberg, Can. J. Phys. 32, 110 (1954).
[CrossRef]

Hinterlong, S. J.

Hobbs, T. I.

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 22, 213 (1979).
[CrossRef]

J. H. Carver, G. N. Haddad, T. I. Hobbs, B. R. Lewis, D. G. McCoy, Appl. Opt. 17, 420 (1978).
[CrossRef] [PubMed]

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 20, 191 (1978).
[CrossRef]

Hudson, R. D.

J. E. Frederick, R. D. Hudson, J. Mol. Spectrosc. 74, 247 (1979).
[CrossRef]

R. D. Hudson, S. H. Mahle, J. Geophys. Res. 77, 2902 (1972).
[CrossRef]

R. D. Hudson, Rev. Geophys. Space Phys. 9, 305 (1971).
[CrossRef]

Lewis, B. R.

B. R. Lewis, Appl. Opt. 21, 2523 (1982).
[CrossRef] [PubMed]

H. P. F. Gies, S. T. Gibson, D. G. McCoy, A. J. Blake, B. R. Lewis, J. Quant. Spectrosc. Radiat. Transfer 26, 469 (1981).
[CrossRef]

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 22, 213 (1979).
[CrossRef]

J. H. Carver, G. N. Haddad, T. I. Hobbs, B. R. Lewis, D. G. McCoy, Appl. Opt. 17, 420 (1978).
[CrossRef] [PubMed]

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 20, 191 (1978).
[CrossRef]

Livingston, A. E.

Mahle, S. H.

R. D. Hudson, S. H. Mahle, J. Geophys. Res. 77, 2902 (1972).
[CrossRef]

McCoy, D. G.

H. P. F. Gies, S. T. Gibson, D. G. McCoy, A. J. Blake, B. R. Lewis, J. Quant. Spectrosc. Radiat. Transfer 26, 469 (1981).
[CrossRef]

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 22, 213 (1979).
[CrossRef]

J. H. Carver, G. N. Haddad, T. I. Hobbs, B. R. Lewis, D. G. McCoy, Appl. Opt. 17, 420 (1978).
[CrossRef] [PubMed]

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 20, 191 (1978).
[CrossRef]

Appl. Opt.

Can. J. Phys.

P. Brix, G. Herzberg, Can. J. Phys. 32, 110 (1954).
[CrossRef]

J. Geophys. Res.

R. D. Hudson, S. H. Mahle, J. Geophys. Res. 77, 2902 (1972).
[CrossRef]

J. Mol. Spectrosc.

J. E. Frederick, R. D. Hudson, J. Mol. Spectrosc. 74, 247 (1979).
[CrossRef]

M. Ackerman, F. Biaumé, J. Mol. Spectrosc. 35, 73 (1970).
[CrossRef]

J. Quant. Spectrosc. Radiat. Transfer

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 20, 191 (1978).
[CrossRef]

B. R. Lewis, J. H. Carver, T. I. Hobbs, D. G. McCoy, H. P. F. Gies, J. Quant. Spectrosc. Radiat. Transfer 22, 213 (1979).
[CrossRef]

H. P. F. Gies, S. T. Gibson, D. G. McCoy, A. J. Blake, B. R. Lewis, J. Quant. Spectrosc. Radiat. Transfer 26, 469 (1981).
[CrossRef]

Rev. Geophys. Space Phys.

R. D. Hudson, Rev. Geophys. Space Phys. 9, 305 (1971).
[CrossRef]

Other

Minuteman model 320 NIV.

McPherson model 225.

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Figures (7)

Fig. 1
Fig. 1

Schematic diagram of the scanning system of the monochromator both before and after modification.

Fig. 2
Fig. 2

Small period errors of the monochromator scanning system both before and after modification. The ordinate refers to the instantaneous reduction of the gears.

Fig. 3
Fig. 3

Large period errors of the monochromator scanning system both before and after modification. The ordinate refers to the instantaneous reduction of the gears.

Fig. 4
Fig. 4

View of the external components of the new drive system including the stepping motor, encoder, and new worm drive.

Fig. 5
Fig. 5

Large period error due to drive screw misalignment only. The ordinate refers to the instantaneous value of the change of actual wavelength for a given change of motor rotation.

Fig. 6
Fig. 6

Scans over Schumann-Runge band absorption triplets showing wavelength drift due to ambient temperature fluctuations when scanning is stopped. Examples before and after temperature control of the monochromator are shown.

Fig. 7
Fig. 7

View showing the temperature-controlled oven enclosing the monochromator. The new drive system and the discharge lamp are also visible.

Equations (2)

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d λ d θ = k [ 1 + a cos ( ω λ + ϕ ) ] ,
λ = k θ - a ω sin ( ω λ + ϕ ) .

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