Abstract

The time which elapses between excitation of an atom by a pulse of light and subsequent emission of radiation may be measured by a delayed coincidence technique. A system which is suitable for measuring lifetimes of atomic states in the range 10−7–10−8 sec, employing a high speed Kerr shutter in conjunction with a time-to-pulse height converter and kicksorter, is described.

© 1968 Optical Society of America

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References

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  1. B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 153, 9 (1967).
    [CrossRef]
  2. B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 158, 11 (1967).
    [CrossRef]
  3. G. Copley, B. P. Kibble, L. Krause, Phys. Rev. 163, 34 (1967).
    [CrossRef]
  4. L. Krause, Appl. Opt. 5, 1375 (1966).
    [CrossRef] [PubMed]
  5. R. B. Tomlinson, R. L. Brown, A Fast-Slow Coincidence System Employing a Multichannel Time Display, AECL No. 1949.
  6. A. McAllindon, M.Sc. Thesis, University of Windsor, 1965.
  7. G. Copley, M.Sc. thesis, University of Windsor, 1966.
  8. W. R. Bennett, P. J. Kindlman, G. N. Mercer, Appl. Opt. Suppl. 2 Chem. Lasers, 34 (1965).

1967

B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 153, 9 (1967).
[CrossRef]

B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 158, 11 (1967).
[CrossRef]

G. Copley, B. P. Kibble, L. Krause, Phys. Rev. 163, 34 (1967).
[CrossRef]

1966

1965

W. R. Bennett, P. J. Kindlman, G. N. Mercer, Appl. Opt. Suppl. 2 Chem. Lasers, 34 (1965).

Bennett, W. R.

W. R. Bennett, P. J. Kindlman, G. N. Mercer, Appl. Opt. Suppl. 2 Chem. Lasers, 34 (1965).

Brown, R. L.

R. B. Tomlinson, R. L. Brown, A Fast-Slow Coincidence System Employing a Multichannel Time Display, AECL No. 1949.

Copley, G.

B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 158, 11 (1967).
[CrossRef]

B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 153, 9 (1967).
[CrossRef]

G. Copley, B. P. Kibble, L. Krause, Phys. Rev. 163, 34 (1967).
[CrossRef]

G. Copley, M.Sc. thesis, University of Windsor, 1966.

Kibble, B. P.

G. Copley, B. P. Kibble, L. Krause, Phys. Rev. 163, 34 (1967).
[CrossRef]

B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 153, 9 (1967).
[CrossRef]

B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 158, 11 (1967).
[CrossRef]

Kindlman, P. J.

W. R. Bennett, P. J. Kindlman, G. N. Mercer, Appl. Opt. Suppl. 2 Chem. Lasers, 34 (1965).

Krause, L.

B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 158, 11 (1967).
[CrossRef]

B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 153, 9 (1967).
[CrossRef]

G. Copley, B. P. Kibble, L. Krause, Phys. Rev. 163, 34 (1967).
[CrossRef]

L. Krause, Appl. Opt. 5, 1375 (1966).
[CrossRef] [PubMed]

McAllindon, A.

A. McAllindon, M.Sc. Thesis, University of Windsor, 1965.

Mercer, G. N.

W. R. Bennett, P. J. Kindlman, G. N. Mercer, Appl. Opt. Suppl. 2 Chem. Lasers, 34 (1965).

Tomlinson, R. B.

R. B. Tomlinson, R. L. Brown, A Fast-Slow Coincidence System Employing a Multichannel Time Display, AECL No. 1949.

Appl. Opt.

Appl. Opt. Suppl. 2 Chem. Lasers

W. R. Bennett, P. J. Kindlman, G. N. Mercer, Appl. Opt. Suppl. 2 Chem. Lasers, 34 (1965).

Phys. Rev.

B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 153, 9 (1967).
[CrossRef]

B. P. Kibble, G. Copley, L. Krause, Phys. Rev. 158, 11 (1967).
[CrossRef]

G. Copley, B. P. Kibble, L. Krause, Phys. Rev. 163, 34 (1967).
[CrossRef]

Other

R. B. Tomlinson, R. L. Brown, A Fast-Slow Coincidence System Employing a Multichannel Time Display, AECL No. 1949.

A. McAllindon, M.Sc. Thesis, University of Windsor, 1965.

G. Copley, M.Sc. thesis, University of Windsor, 1966.

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Figures (6)

Fig. 1
Fig. 1

The apparatus. The amplitude A of the pulse produced by the time-to-pulse height converter is proportional to the time overlap (t2t1) of the two rectangular pulses.

Fig. 2
Fig. 2

The shaping and limiting circuit for the photomultiplier pulses. In all circuits capacitance values are given in microfarads unless otherwise stated, and resistance values in ohms.

Fig. 3
Fig. 3

The shaping circuit for the gating pulses.

Fig. 4
Fig. 4

The shaping circuit for the reference pulses from the Kerr shutter.

Fig. 5
Fig. 5

The time-to-pulse height converter.

Fig. 6
Fig. 6

Decay of the 32P states of sodium. A decay time of 16.6 nsec was obtained from this spectrum.

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