Abstract

The spectrum of indium has been photographed in the region 270–2400 Å on 3 and 10.7 m normal-incidence spectrographs. The sources used were a sliding spark and a triggered vacuum spark operated at various conditions. On the basis of these observations all levels of the 4d 85s configuration and the unknown levels in the 4d 85p configuration in In v have been located. The designation of the levels 4d8(³P)5p²P1/20 and 4d8(¹D)5p²P1/20 have been interchanged. The parametric level fitting calculations for the configurations and the intensity calculations for the 4d 85p–4d 85s transitions confirm the analysis. There are 275 additional lines now classified in this spectrum.

© 1977 Optical Society of America

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References

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  1. Y. N. Joshi, Th. A. M. Van Kleef, and V. S. Kushawaha, “The Fifth spectrum of indium: In V,” Can. J. Phys. 54, 889–894 (1976).
    [CrossRef]
  2. J. Reader, G. L. Epstein, and J. O. Ekberg, “Spectra of Rb ii, Sr iii, Y iv, Zr v, Nb vi, and Mo vii in the vacuum ultraviolet” J. Opt. Soc. Am. 62, 273–284 (1972).
    [CrossRef]
  3. V. Kaufman and B. Edlén, “Reference wavelengths from atomic spectra in the range 15–25 000 Å,” J. Phys. Chem. Ref. Data 3, 825–895 (1974).
    [CrossRef]
  4. J. Reader, K. W. Meissner, and K. L. Andrew, “Improved Cu ii standard wavelengths in the vacuum ultraviolet,” J. Opt. Soc. Am. 50, 221–227 (1960).
    [CrossRef]
  5. U. Feldman, M. Swartz, and L. I. Cohen, “Vacuum ultraviolet source,” Rev. Sci. Instrum. 38, 1372–1373 (1967).
    [CrossRef]
  6. R. Poppe, R. Hoekstra, and P. F. A. Klinkenberg, “Comparator for spectroscopic measurements using an interferometer and photoelectric scanning,” Appl. Sci. Res. B 11, 293–309 (1964).
    [CrossRef]
  7. K. S. Bhatia, “The analysis of doubly and triply ionized Indium,” Ph. D. Thesis, The University of British Columbia, Vancouver, B. C. Canada (1969).
  8. Y. N. Joshi, Th. A. M. van Kleef, and H. Benschop, “Eighth spectrum of selenium: Se viii,” Can. J. Phys. 54, 1545–1552 (1976).
    [CrossRef]
  9. Y. N. Joshi and Th. A. M. van Kleef, “4d9 → 4d8 5p transitions in Cd iv, Sn vi, and Sb vii and the resonance lines of Sn v and Sb vi,” Can. J. Phys. 55, 714–726 (1977).
    [CrossRef]
  10. H. Benschop, Y. N. Joshi, and Th. A. M. van Kleef, “The spectrum of doubly ionized silver: Ag iii,” Can. J. Phys. 53, 498–503 (1975).
    [CrossRef]
  11. R. Poppe, “Parametric treatment of the 3dn-1 4p configurations in the trebly ionized atoms,” Physica 75, 341–350 (1974).
    [CrossRef]

1977 (1)

Y. N. Joshi and Th. A. M. van Kleef, “4d9 → 4d8 5p transitions in Cd iv, Sn vi, and Sb vii and the resonance lines of Sn v and Sb vi,” Can. J. Phys. 55, 714–726 (1977).
[CrossRef]

1976 (2)

Y. N. Joshi, Th. A. M. Van Kleef, and V. S. Kushawaha, “The Fifth spectrum of indium: In V,” Can. J. Phys. 54, 889–894 (1976).
[CrossRef]

Y. N. Joshi, Th. A. M. van Kleef, and H. Benschop, “Eighth spectrum of selenium: Se viii,” Can. J. Phys. 54, 1545–1552 (1976).
[CrossRef]

1975 (1)

H. Benschop, Y. N. Joshi, and Th. A. M. van Kleef, “The spectrum of doubly ionized silver: Ag iii,” Can. J. Phys. 53, 498–503 (1975).
[CrossRef]

1974 (2)

R. Poppe, “Parametric treatment of the 3dn-1 4p configurations in the trebly ionized atoms,” Physica 75, 341–350 (1974).
[CrossRef]

V. Kaufman and B. Edlén, “Reference wavelengths from atomic spectra in the range 15–25 000 Å,” J. Phys. Chem. Ref. Data 3, 825–895 (1974).
[CrossRef]

1972 (1)

1967 (1)

U. Feldman, M. Swartz, and L. I. Cohen, “Vacuum ultraviolet source,” Rev. Sci. Instrum. 38, 1372–1373 (1967).
[CrossRef]

1964 (1)

R. Poppe, R. Hoekstra, and P. F. A. Klinkenberg, “Comparator for spectroscopic measurements using an interferometer and photoelectric scanning,” Appl. Sci. Res. B 11, 293–309 (1964).
[CrossRef]

1960 (1)

Andrew, K. L.

Benschop, H.

Y. N. Joshi, Th. A. M. van Kleef, and H. Benschop, “Eighth spectrum of selenium: Se viii,” Can. J. Phys. 54, 1545–1552 (1976).
[CrossRef]

H. Benschop, Y. N. Joshi, and Th. A. M. van Kleef, “The spectrum of doubly ionized silver: Ag iii,” Can. J. Phys. 53, 498–503 (1975).
[CrossRef]

Bhatia, K. S.

K. S. Bhatia, “The analysis of doubly and triply ionized Indium,” Ph. D. Thesis, The University of British Columbia, Vancouver, B. C. Canada (1969).

Cohen, L. I.

U. Feldman, M. Swartz, and L. I. Cohen, “Vacuum ultraviolet source,” Rev. Sci. Instrum. 38, 1372–1373 (1967).
[CrossRef]

Edlén, B.

V. Kaufman and B. Edlén, “Reference wavelengths from atomic spectra in the range 15–25 000 Å,” J. Phys. Chem. Ref. Data 3, 825–895 (1974).
[CrossRef]

Ekberg, J. O.

Epstein, G. L.

Feldman, U.

U. Feldman, M. Swartz, and L. I. Cohen, “Vacuum ultraviolet source,” Rev. Sci. Instrum. 38, 1372–1373 (1967).
[CrossRef]

Hoekstra, R.

R. Poppe, R. Hoekstra, and P. F. A. Klinkenberg, “Comparator for spectroscopic measurements using an interferometer and photoelectric scanning,” Appl. Sci. Res. B 11, 293–309 (1964).
[CrossRef]

Joshi, Y. N.

Y. N. Joshi and Th. A. M. van Kleef, “4d9 → 4d8 5p transitions in Cd iv, Sn vi, and Sb vii and the resonance lines of Sn v and Sb vi,” Can. J. Phys. 55, 714–726 (1977).
[CrossRef]

Y. N. Joshi, Th. A. M. Van Kleef, and V. S. Kushawaha, “The Fifth spectrum of indium: In V,” Can. J. Phys. 54, 889–894 (1976).
[CrossRef]

Y. N. Joshi, Th. A. M. van Kleef, and H. Benschop, “Eighth spectrum of selenium: Se viii,” Can. J. Phys. 54, 1545–1552 (1976).
[CrossRef]

H. Benschop, Y. N. Joshi, and Th. A. M. van Kleef, “The spectrum of doubly ionized silver: Ag iii,” Can. J. Phys. 53, 498–503 (1975).
[CrossRef]

Kaufman, V.

V. Kaufman and B. Edlén, “Reference wavelengths from atomic spectra in the range 15–25 000 Å,” J. Phys. Chem. Ref. Data 3, 825–895 (1974).
[CrossRef]

Klinkenberg, P. F. A.

R. Poppe, R. Hoekstra, and P. F. A. Klinkenberg, “Comparator for spectroscopic measurements using an interferometer and photoelectric scanning,” Appl. Sci. Res. B 11, 293–309 (1964).
[CrossRef]

Kushawaha, V. S.

Y. N. Joshi, Th. A. M. Van Kleef, and V. S. Kushawaha, “The Fifth spectrum of indium: In V,” Can. J. Phys. 54, 889–894 (1976).
[CrossRef]

Meissner, K. W.

Poppe, R.

R. Poppe, “Parametric treatment of the 3dn-1 4p configurations in the trebly ionized atoms,” Physica 75, 341–350 (1974).
[CrossRef]

R. Poppe, R. Hoekstra, and P. F. A. Klinkenberg, “Comparator for spectroscopic measurements using an interferometer and photoelectric scanning,” Appl. Sci. Res. B 11, 293–309 (1964).
[CrossRef]

Reader, J.

Swartz, M.

U. Feldman, M. Swartz, and L. I. Cohen, “Vacuum ultraviolet source,” Rev. Sci. Instrum. 38, 1372–1373 (1967).
[CrossRef]

van Kleef, Th. A. M.

Y. N. Joshi and Th. A. M. van Kleef, “4d9 → 4d8 5p transitions in Cd iv, Sn vi, and Sb vii and the resonance lines of Sn v and Sb vi,” Can. J. Phys. 55, 714–726 (1977).
[CrossRef]

Y. N. Joshi, Th. A. M. Van Kleef, and V. S. Kushawaha, “The Fifth spectrum of indium: In V,” Can. J. Phys. 54, 889–894 (1976).
[CrossRef]

Y. N. Joshi, Th. A. M. van Kleef, and H. Benschop, “Eighth spectrum of selenium: Se viii,” Can. J. Phys. 54, 1545–1552 (1976).
[CrossRef]

H. Benschop, Y. N. Joshi, and Th. A. M. van Kleef, “The spectrum of doubly ionized silver: Ag iii,” Can. J. Phys. 53, 498–503 (1975).
[CrossRef]

Appl. Sci. Res. B (1)

R. Poppe, R. Hoekstra, and P. F. A. Klinkenberg, “Comparator for spectroscopic measurements using an interferometer and photoelectric scanning,” Appl. Sci. Res. B 11, 293–309 (1964).
[CrossRef]

Can. J. Phys. (4)

Y. N. Joshi, Th. A. M. Van Kleef, and V. S. Kushawaha, “The Fifth spectrum of indium: In V,” Can. J. Phys. 54, 889–894 (1976).
[CrossRef]

Y. N. Joshi, Th. A. M. van Kleef, and H. Benschop, “Eighth spectrum of selenium: Se viii,” Can. J. Phys. 54, 1545–1552 (1976).
[CrossRef]

Y. N. Joshi and Th. A. M. van Kleef, “4d9 → 4d8 5p transitions in Cd iv, Sn vi, and Sb vii and the resonance lines of Sn v and Sb vi,” Can. J. Phys. 55, 714–726 (1977).
[CrossRef]

H. Benschop, Y. N. Joshi, and Th. A. M. van Kleef, “The spectrum of doubly ionized silver: Ag iii,” Can. J. Phys. 53, 498–503 (1975).
[CrossRef]

J. Opt. Soc. Am. (2)

J. Phys. Chem. Ref. Data (1)

V. Kaufman and B. Edlén, “Reference wavelengths from atomic spectra in the range 15–25 000 Å,” J. Phys. Chem. Ref. Data 3, 825–895 (1974).
[CrossRef]

Physica (1)

R. Poppe, “Parametric treatment of the 3dn-1 4p configurations in the trebly ionized atoms,” Physica 75, 341–350 (1974).
[CrossRef]

Rev. Sci. Instrum. (1)

U. Feldman, M. Swartz, and L. I. Cohen, “Vacuum ultraviolet source,” Rev. Sci. Instrum. 38, 1372–1373 (1967).
[CrossRef]

Other (1)

K. S. Bhatia, “The analysis of doubly and triply ionized Indium,” Ph. D. Thesis, The University of British Columbia, Vancouver, B. C. Canada (1969).

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Figures (2)

FIG. 1
FIG. 1

In v spectrum in the range 1090–1210 Å taken on a 10. 7 m normal incidence spectrograph using a sliding spark source. (a), (b), and (c) tracks are taken at 300, 700, and 1500 A discharge currents. Track (d) is a copper hollow cathode exposure for external standards. At 300 A currents the strong In v lines are drastically reduced in intensity while the weaker ones disappear. One line each for In iii, In iv, In v, and In vi have been shown.

FIG. 2
FIG. 2

Structure of 4d 85p in In v based on Jj-coupling scheme.

Tables (5)

Tables Icon

TABLE I (a). Operational data for the sliding spark source exposures on the 10. 7 m normal incidence spectrograph at N. B. S. in Washington, D. C.

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TABLE II (a) Energy levels of the 4d 85s configuration in In v. (b) New energy levels of the 4d 85p configuration in In v.a

Tables Icon

TABLE III Parameters used for the 4d85s and 4d85p configurations in In v.

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TABLE IV Composition of the largest percentage component of the levels in LS- and Jj-coupling parametric calculations for the 4d85p configuration.

Tables Icon

TABLE V Newly classified lines in In v.

Equations (74)

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9 2
7 2
5 2
3 2
7 2
5 2
5 2
3 2
1 2
5 2
3 2
9 2
7 2
1 2
3 2
1 2
7 2
1 2
11 2
9 2
7 2
9 2
9 2
1 2
9 2
11 2
3 2
1 2
9 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
3 2
3 2
3 2
3 2
3 2
3 2
3 2
3 2
3 2
3 2
3 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
5 2
7 2
7 2
7 2
7 2
7 2
7 2
7 2
7 2
7 2
9 2
9 2
9 2
9 2
9 2
11 2
11 2