Abstract

Thin films of lead fluoride were deposited by means of cw or pulsed laser assisted evaporation and were characterized for their structural and optical properties. Continuous wave laser evaporated films had smooth morphology, good optical transmission, and oriented columnar grain structure. The crystallinity of the pulse laser evaporated films, as measured by x-ray diffraction peak intensities, was found to be higher than the cw laser or e-beam evaporated films and was found to depend on the laser pulse energy density (fluence). These films, however, had higher absorption in the visible range.

© 1986 Optical Society of America

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References

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  1. H. K. Pulker, “Characterization of Optical Thin Films,” Appl. Opt. 18, 1969 (1979).
    [CrossRef] [PubMed]
  2. P. J. Martin, R. P. Netterfield, W. G. Sainty, “Modification of the Optical and Structural Properties of Dielectric ZrO2 Films by Ion Assisted Deposition,” J. Appl. Phys. 55, 235 (1984).
    [CrossRef]
  3. e.g., L. Lynds, B. A. Woody, “Nonequilibrium Behavior on Pulsed Laser Evaporated Surfaces,” J. Electron Spectrosc. Relat. Phenom. 29, 147 (1983).
    [CrossRef]
  4. H. Sankur, J. Nelson, C. A. Pritt, “Emission Luminescence Analysis of Pulsed Laser Evaporated Plume,” to be published in J. Vac. Sci. Tech.
  5. J. T. Cheung, “Mechanism of Laser Assisted Evaporation of II-VI Compounds,” Mater. Res. Soc. Symp. Proc. 29, 301 (1984).
    [CrossRef]
  6. H. Sankur, J. T. Cheung, “Highly Oriented ZnO Films Grown by Laser Assisted Evaporation,” J. Vac. Sci. Technol. A1, 1806 (1983).
  7. W. H. Southwell, “Determining Index Dispersion of Thin Films,” J. Opt. Soc. Am. A 1, 1279 (1984).
  8. e.g., Data in O. Kubashewski, E. L. Evans, C. B. Alcock, Metallurgical Thermochemistry (Pergamon, New York, 1979).

1984 (3)

P. J. Martin, R. P. Netterfield, W. G. Sainty, “Modification of the Optical and Structural Properties of Dielectric ZrO2 Films by Ion Assisted Deposition,” J. Appl. Phys. 55, 235 (1984).
[CrossRef]

J. T. Cheung, “Mechanism of Laser Assisted Evaporation of II-VI Compounds,” Mater. Res. Soc. Symp. Proc. 29, 301 (1984).
[CrossRef]

W. H. Southwell, “Determining Index Dispersion of Thin Films,” J. Opt. Soc. Am. A 1, 1279 (1984).

1983 (2)

H. Sankur, J. T. Cheung, “Highly Oriented ZnO Films Grown by Laser Assisted Evaporation,” J. Vac. Sci. Technol. A1, 1806 (1983).

e.g., L. Lynds, B. A. Woody, “Nonequilibrium Behavior on Pulsed Laser Evaporated Surfaces,” J. Electron Spectrosc. Relat. Phenom. 29, 147 (1983).
[CrossRef]

1979 (1)

Alcock, C. B.

e.g., Data in O. Kubashewski, E. L. Evans, C. B. Alcock, Metallurgical Thermochemistry (Pergamon, New York, 1979).

Cheung, J. T.

J. T. Cheung, “Mechanism of Laser Assisted Evaporation of II-VI Compounds,” Mater. Res. Soc. Symp. Proc. 29, 301 (1984).
[CrossRef]

H. Sankur, J. T. Cheung, “Highly Oriented ZnO Films Grown by Laser Assisted Evaporation,” J. Vac. Sci. Technol. A1, 1806 (1983).

Evans, E. L.

e.g., Data in O. Kubashewski, E. L. Evans, C. B. Alcock, Metallurgical Thermochemistry (Pergamon, New York, 1979).

Kubashewski, O.

e.g., Data in O. Kubashewski, E. L. Evans, C. B. Alcock, Metallurgical Thermochemistry (Pergamon, New York, 1979).

Lynds, L.

e.g., L. Lynds, B. A. Woody, “Nonequilibrium Behavior on Pulsed Laser Evaporated Surfaces,” J. Electron Spectrosc. Relat. Phenom. 29, 147 (1983).
[CrossRef]

Martin, P. J.

P. J. Martin, R. P. Netterfield, W. G. Sainty, “Modification of the Optical and Structural Properties of Dielectric ZrO2 Films by Ion Assisted Deposition,” J. Appl. Phys. 55, 235 (1984).
[CrossRef]

Nelson, J.

H. Sankur, J. Nelson, C. A. Pritt, “Emission Luminescence Analysis of Pulsed Laser Evaporated Plume,” to be published in J. Vac. Sci. Tech.

Netterfield, R. P.

P. J. Martin, R. P. Netterfield, W. G. Sainty, “Modification of the Optical and Structural Properties of Dielectric ZrO2 Films by Ion Assisted Deposition,” J. Appl. Phys. 55, 235 (1984).
[CrossRef]

Pritt, C. A.

H. Sankur, J. Nelson, C. A. Pritt, “Emission Luminescence Analysis of Pulsed Laser Evaporated Plume,” to be published in J. Vac. Sci. Tech.

Pulker, H. K.

Sainty, W. G.

P. J. Martin, R. P. Netterfield, W. G. Sainty, “Modification of the Optical and Structural Properties of Dielectric ZrO2 Films by Ion Assisted Deposition,” J. Appl. Phys. 55, 235 (1984).
[CrossRef]

Sankur, H.

H. Sankur, J. T. Cheung, “Highly Oriented ZnO Films Grown by Laser Assisted Evaporation,” J. Vac. Sci. Technol. A1, 1806 (1983).

H. Sankur, J. Nelson, C. A. Pritt, “Emission Luminescence Analysis of Pulsed Laser Evaporated Plume,” to be published in J. Vac. Sci. Tech.

Southwell, W. H.

W. H. Southwell, “Determining Index Dispersion of Thin Films,” J. Opt. Soc. Am. A 1, 1279 (1984).

Woody, B. A.

e.g., L. Lynds, B. A. Woody, “Nonequilibrium Behavior on Pulsed Laser Evaporated Surfaces,” J. Electron Spectrosc. Relat. Phenom. 29, 147 (1983).
[CrossRef]

Appl. Opt. (1)

J. Appl. Phys. (1)

P. J. Martin, R. P. Netterfield, W. G. Sainty, “Modification of the Optical and Structural Properties of Dielectric ZrO2 Films by Ion Assisted Deposition,” J. Appl. Phys. 55, 235 (1984).
[CrossRef]

J. Electron Spectrosc. Relat. Phenom. (1)

e.g., L. Lynds, B. A. Woody, “Nonequilibrium Behavior on Pulsed Laser Evaporated Surfaces,” J. Electron Spectrosc. Relat. Phenom. 29, 147 (1983).
[CrossRef]

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

W. H. Southwell, “Determining Index Dispersion of Thin Films,” J. Opt. Soc. Am. A 1, 1279 (1984).

J. Vac. Sci. Technol. (1)

H. Sankur, J. T. Cheung, “Highly Oriented ZnO Films Grown by Laser Assisted Evaporation,” J. Vac. Sci. Technol. A1, 1806 (1983).

Mater. Res. Soc. Symp. Proc. (1)

J. T. Cheung, “Mechanism of Laser Assisted Evaporation of II-VI Compounds,” Mater. Res. Soc. Symp. Proc. 29, 301 (1984).
[CrossRef]

Other (2)

H. Sankur, J. Nelson, C. A. Pritt, “Emission Luminescence Analysis of Pulsed Laser Evaporated Plume,” to be published in J. Vac. Sci. Tech.

e.g., Data in O. Kubashewski, E. L. Evans, C. B. Alcock, Metallurgical Thermochemistry (Pergamon, New York, 1979).

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Figures (4)

Fig. 1
Fig. 1

Crystallinity of PbF2 films vs laser beam energy density.

Fig. 2
Fig. 2

Plasma luminescence intensity vs laser beam energy density.

Fig. 3
Fig. 3

Luminescence spectra of PbF2 by CO2 TEA laser heating (power density ~5 × 108 W/cm2): (a) 201.6–620.9 nm range; (b) 606.5–881 nm range. Note the scale factors for each spectrum.

Fig. 4
Fig. 4

Absorption coefficient at 632.8 nm of PbF2 films vs laser beam energy density.

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