Abstract

This paper contains the equation for the energy transmission in a polarized light equipment that is composed of lenses, two crossed polarizing prisms, two crossed mica plates in 45° position with respect to the prisms, and a light source that produces “white” light. The present study of the energy transmission is primarily a continuation of previous photoelastic researches, see references. However, it is believed that the equation given will be of interest and practical use not only for workers in the field of optical stress analysis, but also for investigators working with the same equipment along other lines.

© 1931 Optical Society of America

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References

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  1. Further Development in Photoelaslicity, R. V. Baud, J.O.S.A. and R.S.I.,  18, 5; 1929.
  2. The Analysis of the Colors Observed in Photoelastic Experiments, R. V. Baud and W. D. Wright, J.O.S.A.,  20, 7; 1930.
    [Crossref]
  3. Loc. cit., The Analysis of the Colors Observed in Photoelastic Experiments, p. 386.

1930 (1)

The Analysis of the Colors Observed in Photoelastic Experiments, R. V. Baud and W. D. Wright, J.O.S.A.,  20, 7; 1930.
[Crossref]

1929 (1)

Further Development in Photoelaslicity, R. V. Baud, J.O.S.A. and R.S.I.,  18, 5; 1929.

Baud, R. V.

The Analysis of the Colors Observed in Photoelastic Experiments, R. V. Baud and W. D. Wright, J.O.S.A.,  20, 7; 1930.
[Crossref]

Further Development in Photoelaslicity, R. V. Baud, J.O.S.A. and R.S.I.,  18, 5; 1929.

Wright, W. D.

The Analysis of the Colors Observed in Photoelastic Experiments, R. V. Baud and W. D. Wright, J.O.S.A.,  20, 7; 1930.
[Crossref]

J.O.S.A. (1)

The Analysis of the Colors Observed in Photoelastic Experiments, R. V. Baud and W. D. Wright, J.O.S.A.,  20, 7; 1930.
[Crossref]

J.O.S.A. and R.S.I. (1)

Further Development in Photoelaslicity, R. V. Baud, J.O.S.A. and R.S.I.,  18, 5; 1929.

Other (1)

Loc. cit., The Analysis of the Colors Observed in Photoelastic Experiments, p. 386.

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Figures (2)

F. 1
F. 1

Principal planes in polarized light equipment. PPpolarizing prism.MPPmica plate polarizer.m, naxes of refraction.APanalyzing prism.MPAmica plate analyzer.

F. 2
F. 2

Diagram indicating magnitude of factor f for variable angle β and for five different values Δ.

Equations (9)

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2 n + 1 4 λ = ( n 1 n 2 ) d
E = E 0 sin 2 Φ 2
Φ = R λ 2 π .
E = f E 0 sin 2 Φ 2 .
f = cos 2 2 β + sin 2 2 β cos 2 Δ
Δ = π 2 { ( n 1 n 2 ) λ 1 ( n 1 n 2 ) λ 1 } .
f = cos 2 2 β + sin 2 2 β sin 2 ψ
ψ = d ( n 1 n 2 ) 2 π λ
Δ = ψ π / 2