Abstract

Total reflectance measurements of some common surface minerals in the wavelength interval 0.5 μ to 23 μ show pronounced reflection maxima in some regions used for radiometric measurements of planetary surface temperatures. Variations in emissivity in the regions of such maxima could introduce significant errors into such temperature measurements. If measurements are restricted to the windows in the atmosphere of earth the 10-μ to 12-μ interval seems the best choice for radiometry since, in this interval, minerals are most uniformly black.

© 1966 Optical Society of America

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References

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  1. W. A. Hovis, Appl. Opt. 5, 245 (1966).
    [Crossref] [PubMed]
  2. J. U. White, J. Opt. Soc. Am. 54, 1332 (1964).
    [Crossref]
  3. W. M. Sinton, J. Strong, Astrophys. J. 131, 470 (1960).
    [Crossref]

1966 (1)

1964 (1)

1960 (1)

W. M. Sinton, J. Strong, Astrophys. J. 131, 470 (1960).
[Crossref]

Hovis, W. A.

Sinton, W. M.

W. M. Sinton, J. Strong, Astrophys. J. 131, 470 (1960).
[Crossref]

Strong, J.

W. M. Sinton, J. Strong, Astrophys. J. 131, 470 (1960).
[Crossref]

White, J. U.

Appl. Opt. (1)

Astrophys. J. (1)

W. M. Sinton, J. Strong, Astrophys. J. 131, 470 (1960).
[Crossref]

J. Opt. Soc. Am. (1)

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Figures (14)

Fig. 1
Fig. 1

Infrared reflectivity of CaCO3.

Fig. 2
Fig. 2

Infrared reflectivity of CaSO4.2H2O.

Fig. 3
Fig. 3

Infrared reflectivity of NaCl.

Fig. 4
Fig. 4

Infrared reflectivity of Na2CO3.

Fig. 5
Fig. 5

Infrared reflectivity of NaNO3.

Fig. 6
Fig. 6

Infrared reflectivity of Atlantic City, N. J., beach sand.

Fig. 7
Fig. 7

Infrared reflectivity of Daytona Beach, Fla., beach sand.

Fig. 8
Fig. 8

Infrared reflectivity of Mojave Desert soil.

Fig. 9
Fig. 9

Infrared reflectivity of washed silica sand.

Fig. 10
Fig. 10

Infrared reflectivity of Salt Pool, Death Valley, Calif.

Fig. 11
Fig. 11

Infrared reflectivity of Bad Water clay, Death Valley, Calif.

Fig. 12
Fig. 12

Infrared reflectivity of gypsum sand, White Sands, N. M.

Fig. 13
Fig. 13

Infrared reflectivity of soil, Pawnee Grassland, Colo.

Fig. 14
Fig. 14

Infrared reflectivity of soil, Rosamond Dry Lake, Calif.

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