Abstract

When observations of the same source are made by several instruments, the sources of apparent discrepancies in the results of these measurements are likely to be (1) differences in the operational definitions of the terms involved in the calibration procedure and (2) various sources of errors in the execution of the step-wise procedure of calibrating the instrument. In this paper we discuss the major factors responsible for large errors such as the use of a low brightness source (LBS), bandwidths of the instruments, transmission characteristics of the optical interference filter, the effect of stray and scattered light by the instruments, as well as a step-wise procedure for minimizing the errors in a calibration of the instruments. In a test of these procedures the consideration of these factors resulted in minimizing the discrepancies in observations with photometers and spectrometers, yielding an accuracy of 20% or better in the measurements.

© 1973 Optical Society of America

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Errata

B. S. Dandekar and D. J. Davis, "Errata to: Calibrations of the Airglow Photometers and Spectrometers," Appl. Opt. 12, 1406_1-1406 (1973)
https://www.osapublishing.org/ao/abstract.cfm?uri=ao-12-7-1406_1

References

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  1. W. G. Fastie, J. Opt. Soc. Am. 42, 641, (1952).
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    [CrossRef] [PubMed]
  5. G. J. Hernandez, A. L. Carrigan, Eds., AFCRL-65-114, Special Reports 22 (1964).
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    [CrossRef]
  8. N. N. Shefov, in The Physics of the Aurora and Airglow, J. W. Chamberlain, Ed. 1964, (Academic Press, New York, 1961) p. 360.
  9. R. Stair, W. E. Schneider, J. K. Jackson, Appl. Opt. 2, 1151 (1963).
    [CrossRef]
  10. W. Viezee, Rand Corporation Report RM-2492 (1960).
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  17. J. W. F. Lloyd, I. J. Nardone, B. L. Cochrun, S. M. Silverman, Space Res. 8, 185 (1968).
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1970

E. E. Barr, Adv. Geophys. 14, 391 (1970).
[CrossRef]

1969

1968

J. W. F. Lloyd, I. J. Nardone, B. L. Cochrun, S. M. Silverman, Space Res. 8, 185 (1968).

M. Ahmed, J. Atmos. Terr. Phys. 30, 1183 (1968).

A. L. Broadfoot, K. R. Kendall, J. Geophys. Res. 73, 426 (1968).
[CrossRef]

1967

1966

1964

1963

1957

F. E. Roach, Ann. I.G.Y. 4, 115, (1957).

1952

Ahmed, M.

M. Ahmed, J. Atmos. Terr. Phys. 30, 1183 (1968).

Bair, M. E.

Barr, E. E.

E. E. Barr, Adv. Geophys. 14, 391 (1970).
[CrossRef]

Blifford, I. H.

Broadfoot, A. L.

A. L. Broadfoot, K. R. Kendall, J. Geophys. Res. 73, 426 (1968).
[CrossRef]

Carmer, D. C.

Cochrun, B. L.

J. W. F. Lloyd, I. J. Nardone, B. L. Cochrun, S. M. Silverman, Space Res. 8, 185 (1968).

Droppleman, L.

Eather, R. H.

Fastie, W. G.

Hunten, D. M.

Jackson, J. K.

Kendall, K. R.

A. L. Broadfoot, K. R. Kendall, J. Geophys. Res. 73, 426 (1968).
[CrossRef]

Lloyd, J. W. F.

J. W. F. Lloyd, I. J. Nardone, B. L. Cochrun, S. M. Silverman, Space Res. 8, 185 (1968).

Megill, L. R.

Nardone, I. J.

J. W. F. Lloyd, I. J. Nardone, B. L. Cochrun, S. M. Silverman, Space Res. 8, 185 (1968).

Packer, D. M.

D. M. Packer, in The Airglow Calibration Symposium, G. J. Hernandez, A. L. Carrigan, Eds. AFCRL-65-114, Special Reports 22 (1964).

Reasoner, D. L.

Roach, F. E.

F. E. Roach, Ann. I.G.Y. 4, 115, (1957).

Rundle, H. N.

Schneider, W. E.

Shafer, A. B.

Shefov, N. N.

N. N. Shefov, in The Physics of the Aurora and Airglow, J. W. Chamberlain, Ed. 1964, (Academic Press, New York, 1961) p. 360.

Shepherd, G. G.

D. M. Hunten, H. N. Rundle, G. G. Shepherd, A. Vallance Jones, Appl. Opt. 6, 1609 (1967).
[CrossRef] [PubMed]

G. G. Shepherd, Scientific Report AR-16, University of Saskatchewan, Phys. Dept.

Silverman, S. M.

J. W. F. Lloyd, I. J. Nardone, B. L. Cochrun, S. M. Silverman, Space Res. 8, 185 (1968).

Stair, R.

Vallance Jones, A.

Viezee, W.

W. Viezee, Rand Corporation Report RM-2492 (1960).

Adv. Geophys.

E. E. Barr, Adv. Geophys. 14, 391 (1970).
[CrossRef]

Ann. I.G.Y.

F. E. Roach, Ann. I.G.Y. 4, 115, (1957).

Appl. Opt.

J. Atmos. Terr. Phys.

M. Ahmed, J. Atmos. Terr. Phys. 30, 1183 (1968).

J. Geophys. Res.

A. L. Broadfoot, K. R. Kendall, J. Geophys. Res. 73, 426 (1968).
[CrossRef]

J. Opt. Soc. Am.

Space Res.

J. W. F. Lloyd, I. J. Nardone, B. L. Cochrun, S. M. Silverman, Space Res. 8, 185 (1968).

Other

G. J. Hernandez, A. L. Carrigan, Eds., AFCRL-65-114, Special Reports 22 (1964).

N. N. Shefov, in The Physics of the Aurora and Airglow, J. W. Chamberlain, Ed. 1964, (Academic Press, New York, 1961) p. 360.

W. Viezee, Rand Corporation Report RM-2492 (1960).

R. C. Weast, Ed. Handbook of Chemistry and Physics (Chemical Rubber Company, Cleveland, 1971).

G. G. Shepherd, Scientific Report AR-16, University of Saskatchewan, Phys. Dept.

D. M. Packer, in The Airglow Calibration Symposium, G. J. Hernandez, A. L. Carrigan, Eds. AFCRL-65-114, Special Reports 22 (1964).

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Figures (8)

Fig. 1
Fig. 1

Schematic arrangement of (A) an interference filter photometer and (B) a spectrophotometer.

Fig. 2
Fig. 2

Schematic arrangement for a calibration of an optical instrument. S, screen; P, optical instrument; F, filament; A, stop.

Fig. 3
Fig. 3

Schematic arrangement of a low brightness source.

Fig. 4
Fig. 4

Spot brightness and integral brightness across an opal of a low brightness source with inside of the box (A) black anodized, and (B) painted with 3-M white color.

Fig. 5
Fig. 5

Projection of apertures on the opal of a low brightness source from (1) 2.5-cm tall slit of McPherson spectrometer at a distance of 20 cm, (2) 5.0-cm tall slit of Space Instrument Research spectrometer at a distance of 15 cm, and (3) 9.5-cm diam interference filter of a photometer at a distance of 15 cm from the opal.

Fig. 6
Fig. 6

Schematic arrangement for the determination of the transmission characteristics of an interference filter in its photometer geometry. F, interference filter, M, mirror; S, screen; L, light source.

Fig. 7
Fig. 7

Transmission characteristics of an interference filter at 27.5°C. (Note: all parameters except W100 show significant changes with tilting of a filter.)

Fig. 8
Fig. 8

Observations with a spectrometer for slitwidth, calibration, and airglow measurements for (A) 0.5-mm and (B) 1-mm widths of the entrance slit.

Equations (6)

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

B L = ( S L Q L - S C Q C K ) W eq T p / T L ,
B C = S C Q C ,
B L = ( S L - S C ) Q L W
B C = S C Q C .
Q i = B S / S S ,
B S = 2.014 × 10 2 P λ ( d / D ) 2 A λ ,

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