Abstract

Atmospheric absorption spectra obtained over a 25-km, horizontal, sea level path in the Cape Kennedy area are presented. Six 150-cm diam carbon arc searchlights positioned from 11 m to 17 m above the ground were used as sources of continuous radiation. Solar spectra obtained from sea level are traced above the corresponding horizontal path spectra for comparison. The spectral region covered is 0.68 μ to 4.86 μ and the spectral resolution varies over this region from about 0.6 × 10−4μ to 60 × 10−4μ. The amount of water vapor in the path varied from 9 to 39 precipitable cm.

© 1967 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef]

1964

1960

E. K. Plyler, Alfred Danti, L. R. Blaine, E. D. Tidwell, J. Res. Natl. Bur. Std. 64A, 29 (1960).
[CrossRef]

1957

1952

E. K. Plyler, N. M. Gailar, T. A. Wiggins, J. Res. Natl. Bur. Std. 48, 221 (1952).
[CrossRef]

1951

J. H. Shaw, R. M. Chapman, J. N. Howard, M. L. Oxholm, Astrophys. J., 113, 268 (1951).
[CrossRef]

Blaine, L. R.

E. K. Plyler, Alfred Danti, L. R. Blaine, E. D. Tidwell, J. Res. Natl. Bur. Std. 64A, 29 (1960).
[CrossRef]

Chapman, R. M.

J. H. Shaw, R. M. Chapman, J. N. Howard, M. L. Oxholm, Astrophys. J., 113, 268 (1951).
[CrossRef]

Curcio, J. A.

Danti, Alfred

E. K. Plyler, Alfred Danti, L. R. Blaine, E. D. Tidwell, J. Res. Natl. Bur. Std. 64A, 29 (1960).
[CrossRef]

Delbouille, L.

L. Delbouille, G. Roland, Final Report Contract AF61 (514)-962.

Drummeter, L. F.

Gailar, N. M.

E. K. Plyler, N. M. Gailar, T. A. Wiggins, J. Res. Natl. Bur. Std. 48, 221 (1952).
[CrossRef]

Goldberg, L.

O. C. Mohler, A. K. Pierce, R. R. McMath, L. Goldberg, Photometric Atlas of the Near Infra-Red Solar Spectrumλ 8465 toλ 25,242 (University of Michigan Press, Ann Arbor, 1950).

Howard, J. N.

J. H. Shaw, R. M. Chapman, J. N. Howard, M. L. Oxholm, Astrophys. J., 113, 268 (1951).
[CrossRef]

Knestrick, G. L.

McMath, R. R.

O. C. Mohler, A. K. Pierce, R. R. McMath, L. Goldberg, Photometric Atlas of the Near Infra-Red Solar Spectrumλ 8465 toλ 25,242 (University of Michigan Press, Ann Arbor, 1950).

Migeotte, M.

M. Migeotte, L. Neven, J. Sevensson, Final Report Contract AF61(514)-432Part I (1956); Final Report Contract AF61(514)-432Part II (1957).

Mizushima, S.

S. Mizushima and colleagues, Tokyo University, Hongo, Tokyo, Japan. A report on the Perkin–Elmer grating spectrophotometer model 112-G. English translation by Perkin–Elmer Corp., Norwalk, Conn.

Mohler, O. C.

O. C. Mohler, A. K. Pierce, R. R. McMath, L. Goldberg, Photometric Atlas of the Near Infra-Red Solar Spectrumλ 8465 toλ 25,242 (University of Michigan Press, Ann Arbor, 1950).

Neven, L.

M. Migeotte, L. Neven, J. Sevensson, Final Report Contract AF61(514)-432Part I (1956); Final Report Contract AF61(514)-432Part II (1957).

Oxholm, M. L.

J. H. Shaw, R. M. Chapman, J. N. Howard, M. L. Oxholm, Astrophys. J., 113, 268 (1951).
[CrossRef]

Pierce, A. K.

O. C. Mohler, A. K. Pierce, R. R. McMath, L. Goldberg, Photometric Atlas of the Near Infra-Red Solar Spectrumλ 8465 toλ 25,242 (University of Michigan Press, Ann Arbor, 1950).

Plyler, E. K.

E. K. Plyler, Alfred Danti, L. R. Blaine, E. D. Tidwell, J. Res. Natl. Bur. Std. 64A, 29 (1960).
[CrossRef]

E. K. Plyler, N. M. Gailar, T. A. Wiggins, J. Res. Natl. Bur. Std. 48, 221 (1952).
[CrossRef]

Roland, G.

L. Delbouille, G. Roland, Final Report Contract AF61 (514)-962.

Sevensson, J.

M. Migeotte, L. Neven, J. Sevensson, Final Report Contract AF61(514)-432Part I (1956); Final Report Contract AF61(514)-432Part II (1957).

Shaw, J. H.

J. H. Shaw, R. M. Chapman, J. N. Howard, M. L. Oxholm, Astrophys. J., 113, 268 (1951).
[CrossRef]

Taylor, J. H.

Tidwell, E. D.

E. K. Plyler, Alfred Danti, L. R. Blaine, E. D. Tidwell, J. Res. Natl. Bur. Std. 64A, 29 (1960).
[CrossRef]

Wiggins, T. A.

E. K. Plyler, N. M. Gailar, T. A. Wiggins, J. Res. Natl. Bur. Std. 48, 221 (1952).
[CrossRef]

Yates, H. W.

Appl. Opt.

Astrophys. J.

J. H. Shaw, R. M. Chapman, J. N. Howard, M. L. Oxholm, Astrophys. J., 113, 268 (1951).
[CrossRef]

J. Opt. Soc. Am.

J. Res. Natl. Bur. Std.

E. K. Plyler, Alfred Danti, L. R. Blaine, E. D. Tidwell, J. Res. Natl. Bur. Std. 64A, 29 (1960).
[CrossRef]

E. K. Plyler, N. M. Gailar, T. A. Wiggins, J. Res. Natl. Bur. Std. 48, 221 (1952).
[CrossRef]

Other

S. Mizushima and colleagues, Tokyo University, Hongo, Tokyo, Japan. A report on the Perkin–Elmer grating spectrophotometer model 112-G. English translation by Perkin–Elmer Corp., Norwalk, Conn.

L. Delbouille, G. Roland, Final Report Contract AF61 (514)-962.

M. Migeotte, L. Neven, J. Sevensson, Final Report Contract AF61(514)-432Part I (1956); Final Report Contract AF61(514)-432Part II (1957).

O. C. Mohler, A. K. Pierce, R. R. McMath, L. Goldberg, Photometric Atlas of the Near Infra-Red Solar Spectrumλ 8465 toλ 25,242 (University of Michigan Press, Ann Arbor, 1950).

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Figures (17)

Fig. 1
Fig. 1

Photograph of the grating spectrometer and optical system. Some of the monitoring equipment used in the atmospheric transmission program is also shown.

Fig. 2
Fig. 2

Scale drawing of geographical location of the atmospheric transmission measurement system. The 25-km light path is shown between the Technical Laboratory and the gantry.

Fig. 3
Fig. 3

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 4
Fig. 4

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 5
Fig. 5

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 6
Fig. 6

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 7
Fig. 7

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 8
Fig. 8

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 9
Fig. 9

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 10
Fig. 10

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 11
Fig. 11

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 12
Fig. 12

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 13
Fig. 13

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 14
Fig. 14

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 15
Fig. 15

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 16
Fig. 16

Atmospheric absorption spectra. Upper curve: solar spectra. Lower curve: 25-km horizontal path spectra.

Fig. 17
Fig. 17

Prism spectra obtained over the 25-km path.

Tables (2)

Tables Icon

Table I Conditions Under Which Spectra Were Obtained

Tables Icon

Table II Spectral Slit Widths Used in Obtaining Prism Spectra

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