Abstract

The luminescence emission spectra of commercial CaWO<sub>4</sub> and BaSO<sub>4</sub>:Pb phosphors and screens have been measured for excitation with a known x-ray spectrum at 40 kV<sub>p</sub>. The emission efficiency and quantum yield have been determined. Changes have been observed in the ultraviolet reflection spectrum after the phosphors had received large x-ray exposures. The light emission of these phosphors, when exposed to x-ray excitation, has been studied as a function of irradiation time.

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  1. J. H. Hartman, Fortschr. Röntgenstrahlen 43, 758 (1931).
  2. M. B. Hodgson, Phys. Rev. 12, 431 (1918).
  3. G. W. Stanwix and L. Mullins, Phot. J. 86B, 38 (1946).
  4. R. H. Herz, Brit. J. Appl. Phys. 7, 182 (1956).
  5. J. W. Coltman E. G. Ebbinghausen, and W. Altar, J. Appl. Phys. 18, 530 (1947).
  6. L. F. Costa, F. Grum, and D. J. Paine, in Abstracts of Papers. 156th National Meeting, American Chemical Soc. (Craftsman Press, Inc., Bladensburg, Md., 1968), Phys. p. 46.

Altar, W.

J. W. Coltman E. G. Ebbinghausen, and W. Altar, J. Appl. Phys. 18, 530 (1947).

Coltman, J. W.

J. W. Coltman E. G. Ebbinghausen, and W. Altar, J. Appl. Phys. 18, 530 (1947).

Costa, L. F.

L. F. Costa, F. Grum, and D. J. Paine, in Abstracts of Papers. 156th National Meeting, American Chemical Soc. (Craftsman Press, Inc., Bladensburg, Md., 1968), Phys. p. 46.

Ebbinghausen, E. G.

J. W. Coltman E. G. Ebbinghausen, and W. Altar, J. Appl. Phys. 18, 530 (1947).

Grum, F.

L. F. Costa, F. Grum, and D. J. Paine, in Abstracts of Papers. 156th National Meeting, American Chemical Soc. (Craftsman Press, Inc., Bladensburg, Md., 1968), Phys. p. 46.

Hartman, J. H.

J. H. Hartman, Fortschr. Röntgenstrahlen 43, 758 (1931).

Herz, R. H.

R. H. Herz, Brit. J. Appl. Phys. 7, 182 (1956).

Hodgson, M. B.

M. B. Hodgson, Phys. Rev. 12, 431 (1918).

Mullins, L.

G. W. Stanwix and L. Mullins, Phot. J. 86B, 38 (1946).

Paine, D. J.

L. F. Costa, F. Grum, and D. J. Paine, in Abstracts of Papers. 156th National Meeting, American Chemical Soc. (Craftsman Press, Inc., Bladensburg, Md., 1968), Phys. p. 46.

Stanwix, G. W.

G. W. Stanwix and L. Mullins, Phot. J. 86B, 38 (1946).

Other (6)

J. H. Hartman, Fortschr. Röntgenstrahlen 43, 758 (1931).

M. B. Hodgson, Phys. Rev. 12, 431 (1918).

G. W. Stanwix and L. Mullins, Phot. J. 86B, 38 (1946).

R. H. Herz, Brit. J. Appl. Phys. 7, 182 (1956).

J. W. Coltman E. G. Ebbinghausen, and W. Altar, J. Appl. Phys. 18, 530 (1947).

L. F. Costa, F. Grum, and D. J. Paine, in Abstracts of Papers. 156th National Meeting, American Chemical Soc. (Craftsman Press, Inc., Bladensburg, Md., 1968), Phys. p. 46.

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