Abstract

The preparation and properties of a highly cross-linked dibutyl phthalate-modified methyl methacrylate polymer are described. The material is virtually optically isotropic with a refractive index near 1.5 and exhibits low absorption in the wavelength region 3000 Å to 2 μ. It exhibits good dimensional stability when properly annealed and can be easily polished to close optical tolerances. It is unaffected by many organic and inorganic solvents. Careful preparation and annealing have removed gross density gradients and adventitious particle scattering in the medium.

© 1966 Optical Society of America

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References

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  1. R. D. Andrews, J. F. Rudd, J. Appl. Phys. 28, 1091 (1952).
    [Crossref]
  2. R. S. Stein, in Die Physik der Hochpolymeren, H. A. Stuart. Ed. (Springer-Verlag, Berlin, 1956), Vol. 4, Chap. 1, p. 110, Part 9.
  3. E. F. Gurnee, J. Appl. Phys. 25, 1232 (1954).
    [Crossref]
  4. R. H. Wiley, G. M. Brauer, J. Polymer Sci. 3, 455 (1948).
    [Crossref]
  5. J. H. Lamble, E. S. Dahmouch, Brit. J. Appl. Phys. 9, 388 (1958).
    [Crossref]
  6. F. Pockels, Ann. Physik Ser. IV, 7, 745 (1902).
    [Crossref]
  7. D. Gray, Ed., American Institute of Physics Handbook, (McGraw-Hill Book Company, Inc., New York, 1957), p. 6.

1958 (1)

J. H. Lamble, E. S. Dahmouch, Brit. J. Appl. Phys. 9, 388 (1958).
[Crossref]

1954 (1)

E. F. Gurnee, J. Appl. Phys. 25, 1232 (1954).
[Crossref]

1952 (1)

R. D. Andrews, J. F. Rudd, J. Appl. Phys. 28, 1091 (1952).
[Crossref]

1948 (1)

R. H. Wiley, G. M. Brauer, J. Polymer Sci. 3, 455 (1948).
[Crossref]

1902 (1)

F. Pockels, Ann. Physik Ser. IV, 7, 745 (1902).
[Crossref]

Andrews, R. D.

R. D. Andrews, J. F. Rudd, J. Appl. Phys. 28, 1091 (1952).
[Crossref]

Brauer, G. M.

R. H. Wiley, G. M. Brauer, J. Polymer Sci. 3, 455 (1948).
[Crossref]

Dahmouch, E. S.

J. H. Lamble, E. S. Dahmouch, Brit. J. Appl. Phys. 9, 388 (1958).
[Crossref]

Gurnee, E. F.

E. F. Gurnee, J. Appl. Phys. 25, 1232 (1954).
[Crossref]

Lamble, J. H.

J. H. Lamble, E. S. Dahmouch, Brit. J. Appl. Phys. 9, 388 (1958).
[Crossref]

Pockels, F.

F. Pockels, Ann. Physik Ser. IV, 7, 745 (1902).
[Crossref]

Rudd, J. F.

R. D. Andrews, J. F. Rudd, J. Appl. Phys. 28, 1091 (1952).
[Crossref]

Stein, R. S.

R. S. Stein, in Die Physik der Hochpolymeren, H. A. Stuart. Ed. (Springer-Verlag, Berlin, 1956), Vol. 4, Chap. 1, p. 110, Part 9.

Wiley, R. H.

R. H. Wiley, G. M. Brauer, J. Polymer Sci. 3, 455 (1948).
[Crossref]

Ann. Physik Ser. IV (1)

F. Pockels, Ann. Physik Ser. IV, 7, 745 (1902).
[Crossref]

Brit. J. Appl. Phys. (1)

J. H. Lamble, E. S. Dahmouch, Brit. J. Appl. Phys. 9, 388 (1958).
[Crossref]

J. Appl. Phys. (2)

R. D. Andrews, J. F. Rudd, J. Appl. Phys. 28, 1091 (1952).
[Crossref]

E. F. Gurnee, J. Appl. Phys. 25, 1232 (1954).
[Crossref]

J. Polymer Sci. (1)

R. H. Wiley, G. M. Brauer, J. Polymer Sci. 3, 455 (1948).
[Crossref]

Other (2)

R. S. Stein, in Die Physik der Hochpolymeren, H. A. Stuart. Ed. (Springer-Verlag, Berlin, 1956), Vol. 4, Chap. 1, p. 110, Part 9.

D. Gray, Ed., American Institute of Physics Handbook, (McGraw-Hill Book Company, Inc., New York, 1957), p. 6.

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Figures (5)

Fig. 1
Fig. 1

Stress-optical coefficient as a function of dibutyl phthalate.

Fig. 2
Fig. 2

Expansion rate of 10.5% DBP–PMMA as a function of temperature.

Fig. 3
Fig. 3

Expansion of PMMA–10.5% DBP as a function of temperature.

Fig. 4
Fig. 4

Refractive index of PMMA–10.5% DBP as a function of wavelength.

Fig. 5
Fig. 5

Absorption of polymethyl methacrylate-10.5% DBP. Sample thickness, 1 mm, corrected for Fresnel loss constant; correction relative to 4046 Å.

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