Abstract

The paper describes a method of obtaining underwater illumination in photometric units. The results are given as total horizontal illumination at different depths and as cell current extinction coefficients of two bands in the visible spectrum. The effect of temperature on the submerged photometer is indicated, and a mean temperature coefficient between 0°C and 17°C is calculated.

© 1940 Optical Society of America

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References

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  1. W. R. G. Atkins, G. L. Clarke, H. Pettersson, H. H. Poole, C. L. Utterback, and A. Angstrom, J. Du Conseil International 13, 1, 37–57 (1938).
  2. C. L. Utterback and Wilhelm Jorgensen, J. Opt. Soc. Am. 26, 257–259 (1936).
    [CrossRef]
  3. Nils G. Johnson and Gosta Liljequist, Svenska Hydrografisk-Biologiska, Kommissonens Skrifter. Ny. Ser. Hydrografi 14 (1938).
  4. C. L. Utterback and P. M. Higgs, J. Opt. Soc. Am. 28, 100–102 (1938).
    [CrossRef]

1938 (3)

W. R. G. Atkins, G. L. Clarke, H. Pettersson, H. H. Poole, C. L. Utterback, and A. Angstrom, J. Du Conseil International 13, 1, 37–57 (1938).

Nils G. Johnson and Gosta Liljequist, Svenska Hydrografisk-Biologiska, Kommissonens Skrifter. Ny. Ser. Hydrografi 14 (1938).

C. L. Utterback and P. M. Higgs, J. Opt. Soc. Am. 28, 100–102 (1938).
[CrossRef]

1936 (1)

Angstrom, A.

W. R. G. Atkins, G. L. Clarke, H. Pettersson, H. H. Poole, C. L. Utterback, and A. Angstrom, J. Du Conseil International 13, 1, 37–57 (1938).

Atkins, W. R. G.

W. R. G. Atkins, G. L. Clarke, H. Pettersson, H. H. Poole, C. L. Utterback, and A. Angstrom, J. Du Conseil International 13, 1, 37–57 (1938).

Clarke, G. L.

W. R. G. Atkins, G. L. Clarke, H. Pettersson, H. H. Poole, C. L. Utterback, and A. Angstrom, J. Du Conseil International 13, 1, 37–57 (1938).

Higgs, P. M.

Johnson, Nils G.

Nils G. Johnson and Gosta Liljequist, Svenska Hydrografisk-Biologiska, Kommissonens Skrifter. Ny. Ser. Hydrografi 14 (1938).

Jorgensen, Wilhelm

Liljequist, Gosta

Nils G. Johnson and Gosta Liljequist, Svenska Hydrografisk-Biologiska, Kommissonens Skrifter. Ny. Ser. Hydrografi 14 (1938).

Pettersson, H.

W. R. G. Atkins, G. L. Clarke, H. Pettersson, H. H. Poole, C. L. Utterback, and A. Angstrom, J. Du Conseil International 13, 1, 37–57 (1938).

Poole, H. H.

W. R. G. Atkins, G. L. Clarke, H. Pettersson, H. H. Poole, C. L. Utterback, and A. Angstrom, J. Du Conseil International 13, 1, 37–57 (1938).

Utterback, C. L.

W. R. G. Atkins, G. L. Clarke, H. Pettersson, H. H. Poole, C. L. Utterback, and A. Angstrom, J. Du Conseil International 13, 1, 37–57 (1938).

C. L. Utterback and P. M. Higgs, J. Opt. Soc. Am. 28, 100–102 (1938).
[CrossRef]

C. L. Utterback and Wilhelm Jorgensen, J. Opt. Soc. Am. 26, 257–259 (1936).
[CrossRef]

J. Du Conseil International (1)

W. R. G. Atkins, G. L. Clarke, H. Pettersson, H. H. Poole, C. L. Utterback, and A. Angstrom, J. Du Conseil International 13, 1, 37–57 (1938).

J. Opt. Soc. Am. (2)

Svenska Hydrografisk-Biologiska, Kommissonens Skrifter. Ny. Ser. Hydrografi (1)

Nils G. Johnson and Gosta Liljequist, Svenska Hydrografisk-Biologiska, Kommissonens Skrifter. Ny. Ser. Hydrografi 14 (1938).

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Figures (3)

Fig. 1
Fig. 1

Region in which illumination measurements were made.

Fig. 2
Fig. 2

Relative sensitivity curves and transmission of filters.

Fig. 3
Fig. 3

Current illumination curves for 0°C and 17°C.

Tables (2)

Tables Icon

Table I Temperature coefficients from 0°C to 17°C.

Tables Icon

Table II Illumination intensities and current extinction coefficients.

Equations (1)

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I = I 0 e - k x ,