Abstract

Refractive properties of barium fluoride are discussed. The refractive index, <i>n</i>, was determined at 25°C for 46 measured wavelengths from 0.2652 µ in the ultraviolet to 10.346 in the infrared. The dispersion equation [equation] where λ is expressed in microns was found to fit the measured values with an average absolute residual of l.9×10<sup>-5</sup>. A tentative average thermal coefficient of index <i>dn</i>/<i>dt</i> for the measured spectral range is -12×10<sup>-6</sup>/°C. Dispersive quantities which indicate the expected relative dispersion, chromatic aberration, and the effect of index on resolution are graphically presented. A review of transmittance data from the literature is also presented.

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  1. D. A. Jones, R. V. Jones, and R. W. Stevenson, Proc. Phys. Soc. (London) B65, 906 (1962).
  2. S. S. Ballard, L. S. Combes, and K. A. McCarthy, J. Opt. Soc. Am. 42, 684 (1952).
  3. S. S. Ballard, K. A. McCarthy, and W. L. Wolfe, "IRIA Stateof-the-Art Report: Optical Materials for Infrared Instrumentation," The University of Michigan, Report No. 2389-11-S (January 1959). Now with a supplement dated April 1961.
  4. T. A. Chubb, J. Opt. Soc. Am. 46, 362, (1956).
  5. J. M. Gordon, J. Opt. Soc. Am. 48, 583, (1958).
  6. The Harshaw Chemical Company, Cleveland, Ohio.
  7. O. N. Stavroudis and L. E. Sutton, J. Opt. Soc. Am. 51, 368L (1961).
  8. L. E. Sutton and O. N. Stavroudis, J. Opt. Soc. Am. 51, 901 (1961).
  9. A. R. Downie, M. C. Magoon, T. Purcell, and B. Crawford Jr., J. Opt. Soc. Am. 43, 941 (1953).
  10. M. Herzberger and C. D. Salzberg, J. Opt. Soc. Am. 52, 420 (1962).
  11. R. M. Davidson, J. Opt. Soc. Am. 53, 1006 (1963).
  12. I. H. Malitson, Appl. Opt. 2, 1103 (1963).

Ballard, S. S.

S. S. Ballard, L. S. Combes, and K. A. McCarthy, J. Opt. Soc. Am. 42, 684 (1952).

S. S. Ballard, K. A. McCarthy, and W. L. Wolfe, "IRIA Stateof-the-Art Report: Optical Materials for Infrared Instrumentation," The University of Michigan, Report No. 2389-11-S (January 1959). Now with a supplement dated April 1961.

Chubb, T. A.

T. A. Chubb, J. Opt. Soc. Am. 46, 362, (1956).

Combes, L. S.

S. S. Ballard, L. S. Combes, and K. A. McCarthy, J. Opt. Soc. Am. 42, 684 (1952).

Crawford Jr., B.

A. R. Downie, M. C. Magoon, T. Purcell, and B. Crawford Jr., J. Opt. Soc. Am. 43, 941 (1953).

Davidson, R. M.

R. M. Davidson, J. Opt. Soc. Am. 53, 1006 (1963).

Downie, A. R.

A. R. Downie, M. C. Magoon, T. Purcell, and B. Crawford Jr., J. Opt. Soc. Am. 43, 941 (1953).

Gordon, J. M.

J. M. Gordon, J. Opt. Soc. Am. 48, 583, (1958).

Herzberger, M.

M. Herzberger and C. D. Salzberg, J. Opt. Soc. Am. 52, 420 (1962).

Jones, D. A.

D. A. Jones, R. V. Jones, and R. W. Stevenson, Proc. Phys. Soc. (London) B65, 906 (1962).

Jones, R. V.

D. A. Jones, R. V. Jones, and R. W. Stevenson, Proc. Phys. Soc. (London) B65, 906 (1962).

Magoon, M. C.

A. R. Downie, M. C. Magoon, T. Purcell, and B. Crawford Jr., J. Opt. Soc. Am. 43, 941 (1953).

Malitson, I. H.

I. H. Malitson, Appl. Opt. 2, 1103 (1963).

McCarthy, K. A.

S. S. Ballard, K. A. McCarthy, and W. L. Wolfe, "IRIA Stateof-the-Art Report: Optical Materials for Infrared Instrumentation," The University of Michigan, Report No. 2389-11-S (January 1959). Now with a supplement dated April 1961.

S. S. Ballard, L. S. Combes, and K. A. McCarthy, J. Opt. Soc. Am. 42, 684 (1952).

Purcell, T.

A. R. Downie, M. C. Magoon, T. Purcell, and B. Crawford Jr., J. Opt. Soc. Am. 43, 941 (1953).

Salzberg, C. D.

M. Herzberger and C. D. Salzberg, J. Opt. Soc. Am. 52, 420 (1962).

Stavroudis, O. N.

O. N. Stavroudis and L. E. Sutton, J. Opt. Soc. Am. 51, 368L (1961).

L. E. Sutton and O. N. Stavroudis, J. Opt. Soc. Am. 51, 901 (1961).

Stevenson, R. W.

D. A. Jones, R. V. Jones, and R. W. Stevenson, Proc. Phys. Soc. (London) B65, 906 (1962).

Sutton, L. E.

O. N. Stavroudis and L. E. Sutton, J. Opt. Soc. Am. 51, 368L (1961).

L. E. Sutton and O. N. Stavroudis, J. Opt. Soc. Am. 51, 901 (1961).

Wolfe, W. L.

S. S. Ballard, K. A. McCarthy, and W. L. Wolfe, "IRIA Stateof-the-Art Report: Optical Materials for Infrared Instrumentation," The University of Michigan, Report No. 2389-11-S (January 1959). Now with a supplement dated April 1961.

Other (12)

D. A. Jones, R. V. Jones, and R. W. Stevenson, Proc. Phys. Soc. (London) B65, 906 (1962).

S. S. Ballard, L. S. Combes, and K. A. McCarthy, J. Opt. Soc. Am. 42, 684 (1952).

S. S. Ballard, K. A. McCarthy, and W. L. Wolfe, "IRIA Stateof-the-Art Report: Optical Materials for Infrared Instrumentation," The University of Michigan, Report No. 2389-11-S (January 1959). Now with a supplement dated April 1961.

T. A. Chubb, J. Opt. Soc. Am. 46, 362, (1956).

J. M. Gordon, J. Opt. Soc. Am. 48, 583, (1958).

The Harshaw Chemical Company, Cleveland, Ohio.

O. N. Stavroudis and L. E. Sutton, J. Opt. Soc. Am. 51, 368L (1961).

L. E. Sutton and O. N. Stavroudis, J. Opt. Soc. Am. 51, 901 (1961).

A. R. Downie, M. C. Magoon, T. Purcell, and B. Crawford Jr., J. Opt. Soc. Am. 43, 941 (1953).

M. Herzberger and C. D. Salzberg, J. Opt. Soc. Am. 52, 420 (1962).

R. M. Davidson, J. Opt. Soc. Am. 53, 1006 (1963).

I. H. Malitson, Appl. Opt. 2, 1103 (1963).

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