Abstract

The vacuum wavelengths of 27 lines of Hg198 and 6 lines of Kr86 have been measured relative to the international standard of length, the Kr86 line at 6057.80211 Å, by photographic Fabry–Perot interferometry. These measurements were made with Hg198 electrodeless lamps containing argon at pressures of 14, 3, and 10 mm Hg and a Kr86 hot-cathode lamp operated according to the conditions prescribed by the International Conference on Weights and Measures in 1960. Energy-level values have been derived from the wavelengths of each of the Hg198 sources, and on the basis of these values, the energy level and wavelength shifts per unit pressure of argon have been calculated. The suitability of the Hg198 electrodeless lamp as a source of wavelength standards for interferometric measurement of length and wavelength is discussed.

© 1962 Optical Society of America

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References

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  1. Comité Intern, des Poids et Mesures, Procès-Verbaux des Séances, 2e série (1960) (to be published).
  2. K. M. Baird and D. S. Smith, J. Opt. Soc. Am. 52, 507 (1962).
    [Crossref]
  3. E. Engelhard and J. Terrien, Rev. opt. 39, 11 (1960).
  4. C. F. Bruce and R. M. Hill, Australian J. Phys. 14, 64 (1961).
    [Crossref]
  5. Comité Intern. des Poids et Mesures, Procès-Verbaux des Séances, 2e série (1961) (to be published).
  6. William F. Meggers and F. Oliver Westfall, J. Research Natl. Bur. Standards 44, 447 (1950).
    [Crossref]
  7. William F. Meggers and Karl G. Kessler, J. Opt. Soc. Am. 40, 737 (1950).
    [Crossref]
  8. Keivin Burns and Kenneth B. Adams, J. Opt. Soc. Am. 42, 56 (1952).
    [Crossref]
  9. E. Engelhard, Comité Intern, des Poids et Mesures, Procès-Verbaux des Séances, 2esérie, tome 26-B (1958).
  10. J. Terrien, Compt. rend. 246, 2362 (1958).
  11. K. M. Baird and D. S. Smith, Can. J. Phys. 37, 832 (1959).
    [Crossref]
  12. V. Kaufman, unpublished thesis, Purdue University (1959).
  13. J. Terrien, Trans. IAU (1961) (to be published).
  14. R. L. Barger and K. G. Kessler, J. Opt. Soc. Am. 51, 827 (1961).
    [Crossref]
  15. M. L. Kuder, J. Research Natl. Bur. Standards 65C, 1 (1961).
  16. K. W. Meissner, J. Opt. Soc. Am. 31, 405 (1941).
    [Crossref]
  17. R. L. Barger and K. G. Kessler, J. Opt. Soc. Am. 50, 651 (1960).
    [Crossref]
  18. The last digit, when written as a subindex, indicates that the error in the figure may be as great as 5, but there is high confidence it is no greater than 10.
  19. W. G. Schweitzer, J. Opt. Soc. Am. 51, 1466 (1961).
    [Crossref]
  20. K. G. Kessler and W. G. Schweitzer, J. Opt. Soc. Am. 49, 199 (1959).
    [Crossref]
  21. Trans. IAU (1961, to be published).
  22. D. H. Rank, J. M. Bennett, and H. E. Bennett, J. Opt. Soc. Am. 46, 477 (1956).
    [Crossref]
  23. C. J. Humphreys and E. PaulNOLC Rept. 464 (April-June 1959).
  24. S. Emara, J. Research Natl. Bur. Standards 65A, 473 (1961).

1962 (1)

1961 (5)

R. L. Barger and K. G. Kessler, J. Opt. Soc. Am. 51, 827 (1961).
[Crossref]

C. F. Bruce and R. M. Hill, Australian J. Phys. 14, 64 (1961).
[Crossref]

M. L. Kuder, J. Research Natl. Bur. Standards 65C, 1 (1961).

W. G. Schweitzer, J. Opt. Soc. Am. 51, 1466 (1961).
[Crossref]

S. Emara, J. Research Natl. Bur. Standards 65A, 473 (1961).

1960 (2)

E. Engelhard and J. Terrien, Rev. opt. 39, 11 (1960).

R. L. Barger and K. G. Kessler, J. Opt. Soc. Am. 50, 651 (1960).
[Crossref]

1959 (2)

K. G. Kessler and W. G. Schweitzer, J. Opt. Soc. Am. 49, 199 (1959).
[Crossref]

K. M. Baird and D. S. Smith, Can. J. Phys. 37, 832 (1959).
[Crossref]

1958 (1)

J. Terrien, Compt. rend. 246, 2362 (1958).

1956 (1)

1952 (1)

1950 (2)

William F. Meggers and Karl G. Kessler, J. Opt. Soc. Am. 40, 737 (1950).
[Crossref]

William F. Meggers and F. Oliver Westfall, J. Research Natl. Bur. Standards 44, 447 (1950).
[Crossref]

1941 (1)

Adams, Kenneth B.

Baird, K. M.

K. M. Baird and D. S. Smith, J. Opt. Soc. Am. 52, 507 (1962).
[Crossref]

K. M. Baird and D. S. Smith, Can. J. Phys. 37, 832 (1959).
[Crossref]

Barger, R. L.

Bennett, H. E.

Bennett, J. M.

Bruce, C. F.

C. F. Bruce and R. M. Hill, Australian J. Phys. 14, 64 (1961).
[Crossref]

Burns, Keivin

Emara, S.

S. Emara, J. Research Natl. Bur. Standards 65A, 473 (1961).

Engelhard, E.

E. Engelhard and J. Terrien, Rev. opt. 39, 11 (1960).

E. Engelhard, Comité Intern, des Poids et Mesures, Procès-Verbaux des Séances, 2esérie, tome 26-B (1958).

Hill, R. M.

C. F. Bruce and R. M. Hill, Australian J. Phys. 14, 64 (1961).
[Crossref]

Humphreys, C. J.

C. J. Humphreys and E. PaulNOLC Rept. 464 (April-June 1959).

Kaufman, V.

V. Kaufman, unpublished thesis, Purdue University (1959).

Kessler, K. G.

Kessler, Karl G.

Kuder, M. L.

M. L. Kuder, J. Research Natl. Bur. Standards 65C, 1 (1961).

Meggers, William F.

William F. Meggers and F. Oliver Westfall, J. Research Natl. Bur. Standards 44, 447 (1950).
[Crossref]

William F. Meggers and Karl G. Kessler, J. Opt. Soc. Am. 40, 737 (1950).
[Crossref]

Meissner, K. W.

Oliver Westfall, F.

William F. Meggers and F. Oliver Westfall, J. Research Natl. Bur. Standards 44, 447 (1950).
[Crossref]

Paul, E.

C. J. Humphreys and E. PaulNOLC Rept. 464 (April-June 1959).

Rank, D. H.

Schweitzer, W. G.

Smith, D. S.

K. M. Baird and D. S. Smith, J. Opt. Soc. Am. 52, 507 (1962).
[Crossref]

K. M. Baird and D. S. Smith, Can. J. Phys. 37, 832 (1959).
[Crossref]

Terrien, J.

E. Engelhard and J. Terrien, Rev. opt. 39, 11 (1960).

J. Terrien, Compt. rend. 246, 2362 (1958).

J. Terrien, Trans. IAU (1961) (to be published).

Australian J. Phys. (1)

C. F. Bruce and R. M. Hill, Australian J. Phys. 14, 64 (1961).
[Crossref]

Can. J. Phys. (1)

K. M. Baird and D. S. Smith, Can. J. Phys. 37, 832 (1959).
[Crossref]

Compt. rend. (1)

J. Terrien, Compt. rend. 246, 2362 (1958).

J. Opt. Soc. Am. (9)

J. Research Natl. Bur. Standards (3)

William F. Meggers and F. Oliver Westfall, J. Research Natl. Bur. Standards 44, 447 (1950).
[Crossref]

S. Emara, J. Research Natl. Bur. Standards 65A, 473 (1961).

M. L. Kuder, J. Research Natl. Bur. Standards 65C, 1 (1961).

Rev. opt. (1)

E. Engelhard and J. Terrien, Rev. opt. 39, 11 (1960).

Other (8)

The last digit, when written as a subindex, indicates that the error in the figure may be as great as 5, but there is high confidence it is no greater than 10.

Trans. IAU (1961, to be published).

C. J. Humphreys and E. PaulNOLC Rept. 464 (April-June 1959).

E. Engelhard, Comité Intern, des Poids et Mesures, Procès-Verbaux des Séances, 2esérie, tome 26-B (1958).

Comité Intern. des Poids et Mesures, Procès-Verbaux des Séances, 2e série (1961) (to be published).

V. Kaufman, unpublished thesis, Purdue University (1959).

J. Terrien, Trans. IAU (1961) (to be published).

Comité Intern, des Poids et Mesures, Procès-Verbaux des Séances, 2e série (1960) (to be published).

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Tables (4)

Tables Icon

Table I Wavelengths in the spectra of Hg198.

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Table II Partial square array of Hg198.a

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Table III Energy levels of Hg198.

Tables Icon

Table IV Wavelengths of Kr86.a