Abstract

CsF vapor generated in a heat pipe was excited by a laser-produced plasma. Temporally integrated spectra and time-resolved fluorescence on the ionic excimer transition Cs2+F → Cs+F were observed at 185 nm. The pressure dependence of the fluorescence is influenced by self-absorption in the CsF vapor. The fluorescence is assigned to the Cs2+F (21/2, B) → Cs+F (21/2, X) transition.

© 1988 Optical Society of America

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References

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  1. R. Sauerbrey, H. Langhoff, IEEE J. Quantum Electron. QE-21, 179 (1985).
    [CrossRef]
  2. F. Steigerwald, F. Emmert, H. Langhoff, W. Hammer, T. Griegel, Opt. Commun. 56, 240 (1985).
    [CrossRef]
  3. R. G. Caro, J. C. Wang, J. F. Young, S. E. Harris, Phys. Rev. A 30, 1407 (1984).
    [CrossRef]
  4. W. T. Silfvast, O. R. Wood, J. Opt. Soc. Am. B 4, 609 (1987).
    [CrossRef]
  5. A. A. Offenberger, R. Fedosejevs, P. D. Gupta, R. Popil, Y. Y. Tsui, Laser Particle Beams 4, 329 (1986).
    [CrossRef]
  6. P. J. K. Wisoff, R. G. Caro, Appl. Phys. B 35, 65 (1984).
    [CrossRef]
  7. N. G. Basov, M. G. Voĭtik, V. S. Zuev, V. P. Kutakhov, Sov. J. Quantum Electron. 15, 1455 (1985).
    [CrossRef]

1987 (1)

1986 (1)

A. A. Offenberger, R. Fedosejevs, P. D. Gupta, R. Popil, Y. Y. Tsui, Laser Particle Beams 4, 329 (1986).
[CrossRef]

1985 (3)

R. Sauerbrey, H. Langhoff, IEEE J. Quantum Electron. QE-21, 179 (1985).
[CrossRef]

F. Steigerwald, F. Emmert, H. Langhoff, W. Hammer, T. Griegel, Opt. Commun. 56, 240 (1985).
[CrossRef]

N. G. Basov, M. G. Voĭtik, V. S. Zuev, V. P. Kutakhov, Sov. J. Quantum Electron. 15, 1455 (1985).
[CrossRef]

1984 (2)

R. G. Caro, J. C. Wang, J. F. Young, S. E. Harris, Phys. Rev. A 30, 1407 (1984).
[CrossRef]

P. J. K. Wisoff, R. G. Caro, Appl. Phys. B 35, 65 (1984).
[CrossRef]

Basov, N. G.

N. G. Basov, M. G. Voĭtik, V. S. Zuev, V. P. Kutakhov, Sov. J. Quantum Electron. 15, 1455 (1985).
[CrossRef]

Caro, R. G.

R. G. Caro, J. C. Wang, J. F. Young, S. E. Harris, Phys. Rev. A 30, 1407 (1984).
[CrossRef]

P. J. K. Wisoff, R. G. Caro, Appl. Phys. B 35, 65 (1984).
[CrossRef]

Emmert, F.

F. Steigerwald, F. Emmert, H. Langhoff, W. Hammer, T. Griegel, Opt. Commun. 56, 240 (1985).
[CrossRef]

Fedosejevs, R.

A. A. Offenberger, R. Fedosejevs, P. D. Gupta, R. Popil, Y. Y. Tsui, Laser Particle Beams 4, 329 (1986).
[CrossRef]

Griegel, T.

F. Steigerwald, F. Emmert, H. Langhoff, W. Hammer, T. Griegel, Opt. Commun. 56, 240 (1985).
[CrossRef]

Gupta, P. D.

A. A. Offenberger, R. Fedosejevs, P. D. Gupta, R. Popil, Y. Y. Tsui, Laser Particle Beams 4, 329 (1986).
[CrossRef]

Hammer, W.

F. Steigerwald, F. Emmert, H. Langhoff, W. Hammer, T. Griegel, Opt. Commun. 56, 240 (1985).
[CrossRef]

Harris, S. E.

R. G. Caro, J. C. Wang, J. F. Young, S. E. Harris, Phys. Rev. A 30, 1407 (1984).
[CrossRef]

Kutakhov, V. P.

N. G. Basov, M. G. Voĭtik, V. S. Zuev, V. P. Kutakhov, Sov. J. Quantum Electron. 15, 1455 (1985).
[CrossRef]

Langhoff, H.

F. Steigerwald, F. Emmert, H. Langhoff, W. Hammer, T. Griegel, Opt. Commun. 56, 240 (1985).
[CrossRef]

R. Sauerbrey, H. Langhoff, IEEE J. Quantum Electron. QE-21, 179 (1985).
[CrossRef]

Offenberger, A. A.

A. A. Offenberger, R. Fedosejevs, P. D. Gupta, R. Popil, Y. Y. Tsui, Laser Particle Beams 4, 329 (1986).
[CrossRef]

Popil, R.

A. A. Offenberger, R. Fedosejevs, P. D. Gupta, R. Popil, Y. Y. Tsui, Laser Particle Beams 4, 329 (1986).
[CrossRef]

Sauerbrey, R.

R. Sauerbrey, H. Langhoff, IEEE J. Quantum Electron. QE-21, 179 (1985).
[CrossRef]

Silfvast, W. T.

Steigerwald, F.

F. Steigerwald, F. Emmert, H. Langhoff, W. Hammer, T. Griegel, Opt. Commun. 56, 240 (1985).
[CrossRef]

Tsui, Y. Y.

A. A. Offenberger, R. Fedosejevs, P. D. Gupta, R. Popil, Y. Y. Tsui, Laser Particle Beams 4, 329 (1986).
[CrossRef]

Voitik, M. G.

N. G. Basov, M. G. Voĭtik, V. S. Zuev, V. P. Kutakhov, Sov. J. Quantum Electron. 15, 1455 (1985).
[CrossRef]

Wang, J. C.

R. G. Caro, J. C. Wang, J. F. Young, S. E. Harris, Phys. Rev. A 30, 1407 (1984).
[CrossRef]

Wisoff, P. J. K.

P. J. K. Wisoff, R. G. Caro, Appl. Phys. B 35, 65 (1984).
[CrossRef]

Wood, O. R.

Young, J. F.

R. G. Caro, J. C. Wang, J. F. Young, S. E. Harris, Phys. Rev. A 30, 1407 (1984).
[CrossRef]

Zuev, V. S.

N. G. Basov, M. G. Voĭtik, V. S. Zuev, V. P. Kutakhov, Sov. J. Quantum Electron. 15, 1455 (1985).
[CrossRef]

Appl. Phys. B (1)

P. J. K. Wisoff, R. G. Caro, Appl. Phys. B 35, 65 (1984).
[CrossRef]

IEEE J. Quantum Electron. (1)

R. Sauerbrey, H. Langhoff, IEEE J. Quantum Electron. QE-21, 179 (1985).
[CrossRef]

J. Opt. Soc. Am. B (1)

Laser Particle Beams (1)

A. A. Offenberger, R. Fedosejevs, P. D. Gupta, R. Popil, Y. Y. Tsui, Laser Particle Beams 4, 329 (1986).
[CrossRef]

Opt. Commun. (1)

F. Steigerwald, F. Emmert, H. Langhoff, W. Hammer, T. Griegel, Opt. Commun. 56, 240 (1985).
[CrossRef]

Phys. Rev. A (1)

R. G. Caro, J. C. Wang, J. F. Young, S. E. Harris, Phys. Rev. A 30, 1407 (1984).
[CrossRef]

Sov. J. Quantum Electron. (1)

N. G. Basov, M. G. Voĭtik, V. S. Zuev, V. P. Kutakhov, Sov. J. Quantum Electron. 15, 1455 (1985).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

Experimental setup. A focused KrF excimer laser generates a plasma on a rotating tantalum target inside a heat-pipe cell. The soft x rays emitted from the plasma excite the CsF vapor, and fluorescence in the VUV is recorded.

Fig. 2
Fig. 2

Emission spectrum from laser-produced plasma-excited CsF vapor near 185 nm.

Fig. 3
Fig. 3

a, Observed CsF pressure dependence of the Cs2+F ionic excimer fluorescence, b, Pressure dependence of the Cs2+F fluorescence after correction for the measured absorption on the 184.9-nm mercury line at the respective CsF pressure. Both curves are drawn to arbitrary and independent scale.

Fig. 4
Fig. 4

Temporally resolved Cs2+F(B) fluorescence signal at 185.4 nm. The temporal width is approximately 30 nsec (FWHM), which is slightly larger than the laser pulse width.

Fig. 5
Fig. 5

Schematic energy diagram for the excitation and emission process in Cs2+F. Soft x rays from the plasma photoionize Cs+F ground-state molecules to the second ionization limit. Fluorescence at 185 nm is observed on the ionic excimer transition Cs2+F(B) → Cs+F(X) + hν.

Equations (1)

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Cs 2 + F - Cs + F + h ν .

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