Abstract

The iodine atmosphere in typical quartz–iodine lamps modifies the spectrum of the emitted light by selective absorption in a broad band in the green-yellow region. Results of a study of the spectral emission of a series of quartz–iodine lamps with different amounts of iodine are given.

© 1964 Optical Society of America

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References

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  1. E. G. Zubler and F. A. Mosby, Illum. Engr. 54, 734 (1959).
  2. J. A. Moore and C. M. Jolly, General Electric Company J. 29, 99 (1962).
  3. R. W. Wood, Phil. Mag. 6, 329 (1906).
  4. R. E. Hansler (private communication).
  5. Ralph Stair, W. E. Schneider, and John K. Jackson, Appl. Phys. Quart. 2, 1151 (1963).

1963 (1)

Ralph Stair, W. E. Schneider, and John K. Jackson, Appl. Phys. Quart. 2, 1151 (1963).

1962 (1)

J. A. Moore and C. M. Jolly, General Electric Company J. 29, 99 (1962).

1959 (1)

E. G. Zubler and F. A. Mosby, Illum. Engr. 54, 734 (1959).

1906 (1)

R. W. Wood, Phil. Mag. 6, 329 (1906).

Hansler, R. E.

R. E. Hansler (private communication).

Jackson, John K.

Ralph Stair, W. E. Schneider, and John K. Jackson, Appl. Phys. Quart. 2, 1151 (1963).

Jolly, C. M.

J. A. Moore and C. M. Jolly, General Electric Company J. 29, 99 (1962).

Moore, J. A.

J. A. Moore and C. M. Jolly, General Electric Company J. 29, 99 (1962).

Mosby, F. A.

E. G. Zubler and F. A. Mosby, Illum. Engr. 54, 734 (1959).

Schneider, W. E.

Ralph Stair, W. E. Schneider, and John K. Jackson, Appl. Phys. Quart. 2, 1151 (1963).

Stair, Ralph

Ralph Stair, W. E. Schneider, and John K. Jackson, Appl. Phys. Quart. 2, 1151 (1963).

Wood, R. W.

R. W. Wood, Phil. Mag. 6, 329 (1906).

Zubler, E. G.

E. G. Zubler and F. A. Mosby, Illum. Engr. 54, 734 (1959).

Appl. Phys. Quart. (1)

Ralph Stair, W. E. Schneider, and John K. Jackson, Appl. Phys. Quart. 2, 1151 (1963).

General Electric Company J. (1)

J. A. Moore and C. M. Jolly, General Electric Company J. 29, 99 (1962).

Illum. Engr. (1)

E. G. Zubler and F. A. Mosby, Illum. Engr. 54, 734 (1959).

Phil. Mag. (1)

R. W. Wood, Phil. Mag. 6, 329 (1906).

Other (1)

R. E. Hansler (private communication).

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Figures (4)

F. 1
F. 1

Arrangement used for comparing spectral emission of quartz–iodine lamp with reference standard tungsten lamp. S, standard tungsten lamp 3000°K color; L, quartz–iodine lamp; M, monochromator; P, photomultiplier detector.

F. 2
F. 2

Spectral emission curves for tungsten filament lamp filled with 600-mm argon with enough iodine to show strong purple as lamp cools. Broken curve shows emission when iodine is frozen into side tube. Solid curve gives spectrum when iodine is driven into lamp chamber and sealed off. Dotted curve gives distribution for a quartz lamp with low iodine content at about the same color temperature.

F. 3
F. 3

Spectral energy curves for a series of quartz–iodine lamps with different iodine fillings from 0.18 to 10.3 μM.

F. 4
F. 4

Spectral energy curves for a quartz–iodine lamp with heavy iodine loading, for light in a direction normal to the axis (long dashes) and at 30° to the axis (short dashes) compared with radiation from a conventional tungsten lamp at 3000°K color (solid curve) normalized at 760 mμ.

Tables (1)

Tables Icon

Table I Quartz–iodine Lamps with Different Quantities of Iodine, operated at 120 V.