Abstract

The authors describe the following improvements to a three-electrode vacuum spark source: reduction of the size of the triggering device, electronic control of the discharge rate, and a completely coaxial mounting of the electrodes along the optical axis. The performance thus obtained is specified, and absorption spectra are shown as examples of the use of the source in the far ultraviolet (100 Å to 2000 Å).

© 1966 Optical Society of America

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References

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  1. Y. Tanaka, R. E. Huffman, J. C. Larrabee, J. Quant. Spectry. Radiative Transfer 2, 451 (1962).
    [CrossRef]
  2. R. E. Huffman, Y. Tanaka, J. C. Larrabee, in Proc. 6th Intern. Conf. Ionization Phenomena in Gases, Paris1963, p. 145.
  3. W. R. S. Garton, Rev. Sci. Instr. 36, 11 (1959).
    [CrossRef]
  4. J. E. G. Wheaton, Appl. Opt. 3, 1247 (1964).
    [CrossRef]
  5. R. P. Madden, K. Codling, in Proc. 6th Intern. Conf. Ionization Phenomena in Gases, Paris, 1963, p. 139.
  6. J. Romand, G. Balloffet, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 240, 412 (1955).
  7. G. Balloffet, J. Romand, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 252, 4139 (1961).
  8. M. Morlais, S. Robin, Compt. Rend. Acad. Sci. (Paris) 258, 862 (1964).
  9. B. Lotte, M. Bon, J. Romand, J. Phys. (Paris) 24, 346 (1963).
    [CrossRef]
  10. J.-Y. Roncin, N. Damany-Astoin, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 260, 96 (1965).

1965

J.-Y. Roncin, N. Damany-Astoin, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 260, 96 (1965).

1964

J. E. G. Wheaton, Appl. Opt. 3, 1247 (1964).
[CrossRef]

M. Morlais, S. Robin, Compt. Rend. Acad. Sci. (Paris) 258, 862 (1964).

1963

B. Lotte, M. Bon, J. Romand, J. Phys. (Paris) 24, 346 (1963).
[CrossRef]

1962

Y. Tanaka, R. E. Huffman, J. C. Larrabee, J. Quant. Spectry. Radiative Transfer 2, 451 (1962).
[CrossRef]

1961

G. Balloffet, J. Romand, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 252, 4139 (1961).

1959

W. R. S. Garton, Rev. Sci. Instr. 36, 11 (1959).
[CrossRef]

1955

J. Romand, G. Balloffet, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 240, 412 (1955).

Balloffet, G.

G. Balloffet, J. Romand, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 252, 4139 (1961).

J. Romand, G. Balloffet, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 240, 412 (1955).

Bon, M.

B. Lotte, M. Bon, J. Romand, J. Phys. (Paris) 24, 346 (1963).
[CrossRef]

Codling, K.

R. P. Madden, K. Codling, in Proc. 6th Intern. Conf. Ionization Phenomena in Gases, Paris, 1963, p. 139.

Damany-Astoin, N.

J.-Y. Roncin, N. Damany-Astoin, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 260, 96 (1965).

Garton, W. R. S.

W. R. S. Garton, Rev. Sci. Instr. 36, 11 (1959).
[CrossRef]

Huffman, R. E.

Y. Tanaka, R. E. Huffman, J. C. Larrabee, J. Quant. Spectry. Radiative Transfer 2, 451 (1962).
[CrossRef]

R. E. Huffman, Y. Tanaka, J. C. Larrabee, in Proc. 6th Intern. Conf. Ionization Phenomena in Gases, Paris1963, p. 145.

Larrabee, J. C.

Y. Tanaka, R. E. Huffman, J. C. Larrabee, J. Quant. Spectry. Radiative Transfer 2, 451 (1962).
[CrossRef]

R. E. Huffman, Y. Tanaka, J. C. Larrabee, in Proc. 6th Intern. Conf. Ionization Phenomena in Gases, Paris1963, p. 145.

Lotte, B.

B. Lotte, M. Bon, J. Romand, J. Phys. (Paris) 24, 346 (1963).
[CrossRef]

Madden, R. P.

R. P. Madden, K. Codling, in Proc. 6th Intern. Conf. Ionization Phenomena in Gases, Paris, 1963, p. 139.

Morlais, M.

M. Morlais, S. Robin, Compt. Rend. Acad. Sci. (Paris) 258, 862 (1964).

Robin, S.

M. Morlais, S. Robin, Compt. Rend. Acad. Sci. (Paris) 258, 862 (1964).

Romand, J.

B. Lotte, M. Bon, J. Romand, J. Phys. (Paris) 24, 346 (1963).
[CrossRef]

G. Balloffet, J. Romand, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 252, 4139 (1961).

J. Romand, G. Balloffet, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 240, 412 (1955).

Roncin, J.-Y.

J.-Y. Roncin, N. Damany-Astoin, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 260, 96 (1965).

Tanaka, Y.

Y. Tanaka, R. E. Huffman, J. C. Larrabee, J. Quant. Spectry. Radiative Transfer 2, 451 (1962).
[CrossRef]

R. E. Huffman, Y. Tanaka, J. C. Larrabee, in Proc. 6th Intern. Conf. Ionization Phenomena in Gases, Paris1963, p. 145.

Vodar, B.

J.-Y. Roncin, N. Damany-Astoin, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 260, 96 (1965).

G. Balloffet, J. Romand, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 252, 4139 (1961).

J. Romand, G. Balloffet, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 240, 412 (1955).

Wheaton, J. E. G.

Appl. Opt.

Compt. Rend. Acad. Sci. (Paris)

J.-Y. Roncin, N. Damany-Astoin, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 260, 96 (1965).

J. Romand, G. Balloffet, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 240, 412 (1955).

G. Balloffet, J. Romand, B. Vodar, Compt. Rend. Acad. Sci. (Paris) 252, 4139 (1961).

M. Morlais, S. Robin, Compt. Rend. Acad. Sci. (Paris) 258, 862 (1964).

J. Phys. (Paris)

B. Lotte, M. Bon, J. Romand, J. Phys. (Paris) 24, 346 (1963).
[CrossRef]

J. Quant. Spectry. Radiative Transfer

Y. Tanaka, R. E. Huffman, J. C. Larrabee, J. Quant. Spectry. Radiative Transfer 2, 451 (1962).
[CrossRef]

Rev. Sci. Instr.

W. R. S. Garton, Rev. Sci. Instr. 36, 11 (1959).
[CrossRef]

Other

R. P. Madden, K. Codling, in Proc. 6th Intern. Conf. Ionization Phenomena in Gases, Paris, 1963, p. 139.

R. E. Huffman, Y. Tanaka, J. C. Larrabee, in Proc. 6th Intern. Conf. Ionization Phenomena in Gases, Paris1963, p. 145.

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Figures (3)

Fig. 1
Fig. 1

Schematic cross-section drawing of the source. A, Cathode–triggering device assembly. (a) Insulating washer (alumina). (b) Auxiliary anode (nickel or brass). (c) Thin insulating washer (sliding spark support); mica, 0.2 mm thick. (d) Auxiliary anode lead-in. A′, Another design of the cathode–triggering device assembly. (d′) Auxiliary anode. (c′) Capillary insulating tube. B, Principal anode (uranium). C, External conductor; holes are provided for evacuation. D, Mandrel. E, Water-cooled anode holder (copper). F, Flange for the source fixation. G, Insulating piece for the centering of the anode holder. H, Rectified alumina tube. I, External conductor outside the vacuum. J, Coaxial, low self-inductance capacitor: Haefely S12 (0.05 μF, 15 AO) or Bosch (0.1 μF to 0.5 μF).

Fig. 2
Fig. 2

Absorption spectrum of gaseous carbon monoxide in the Schumann region.

Fig. 3
Fig. 3

Absorption spectrum of helium in the extreme ultraviolet: SC5 Kodak film; 50, 50, 100 sparks from left to right.

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