Abstract

Double-layer ThF4–ZnS coatings on a prism of KCl, KBr, and KI are optimized to give totally reflecting quarter-wave retarders at a wavelength of 10.6 μm. The influence on the design parameters of the light absorption occurring at high temperatures is described.

© 1991 Optical Society of America

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References

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  1. W. H. Southwell, “Multilayer coatings producing 90° phase change,” Appl. Opt. 18, 1875 (1979).
    [Crossref] [PubMed]
  2. E. Cojocaru, T. Julea, F. Nichitiu, “Absorbing multilayer coatings producing a 90° phase shift,” Appl. Opt. 29, 3984–3985 (1990).
    [Crossref]
  3. P. A. Young, “Thin films for use on sodium chloride components of carbon dioxide lasers,” Thin Solid Films 6, 423–441 (1970).
    [Crossref]
  4. J. A. Harrington, M. Braunstein, J. E. Rudisill, “Measuring the infrared absorption in thin film coatings,” Appl. Opt. 16, 2843–2846 (1977).
    [Crossref] [PubMed]
  5. E. Spiller, “Totally reflecting thin-film phase retarders,” Appl. Opt. 23, 3544–3548 (1984).
    [Crossref] [PubMed]
  6. E. Cojocaru, R. Dabu, V. Draganescu, T. Julea, F. Nichitiu, “Achromatic thin-film totally reflecting quarterwave retarders,” Appl. Opt. 28, 211–212 (1989).
    [Crossref] [PubMed]

1990 (1)

1989 (1)

1984 (1)

1979 (1)

1977 (1)

1970 (1)

P. A. Young, “Thin films for use on sodium chloride components of carbon dioxide lasers,” Thin Solid Films 6, 423–441 (1970).
[Crossref]

Braunstein, M.

Cojocaru, E.

Dabu, R.

Draganescu, V.

Harrington, J. A.

Julea, T.

Nichitiu, F.

Rudisill, J. E.

Southwell, W. H.

Spiller, E.

Young, P. A.

P. A. Young, “Thin films for use on sodium chloride components of carbon dioxide lasers,” Thin Solid Films 6, 423–441 (1970).
[Crossref]

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Figures (1)

Fig. 1
Fig. 1

Totally reflecting thin-film quarter-wave retarder.

Tables (1)

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Table I Optimized 90° Phase Shift Double-Layer ThF4/ZnS Coatings on a Totally Reflecting Prism of Different Materials at λ = 10.6 μma

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