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  1. See Wood’s Optics, 2nd Ed., p. 175 for a general account of these and other stationary light wave experiments.
  2. Ives, The Vectorial Photoelectric Effect in Thin Films of Alkali Metals, Phys. Rev. 38, 1209 (1931); Ives and Briggs, The Photoelectric Effect from Thin Films of Alkali Metal on Silver, Phys. Rev. 38, 1477 (1931); Ives and Briggs, The Depth of Origin of Photoelectrons, Phys. Rev. 40, 802 (1932).
    [Crossref]
  3. See Wood’s Optics, 3rd Ed., p. 173.
  4. Fry, Plane Waves of Light III, Absorption by Metals, J. O. S. A. 22, 307–332 (1932).
    [Crossref]
  5. The limits of thickness for which the approximation is valid are explained in reference 4, p. 322.
  6. In the case of a film of unit permeability with air or vacuum above it, g/g1 reduces simply to 1/(N+iK0)2, N and K0 being the optical constants of the film.
  7. Reference 4, p. 324.
  8. Fry, Plane Waves of Light II, Reflection and Refraction, J. O. S. A. 16, 1–25 (1928). See in particular §17.
    [Crossref]
  9. The curve shapes repeat the same general characteristics for a series of thicknesses, so that a greater value of t/λ would agree with the experimental data about as well, corresponding to the thickness estimate made from Fig. 4.
  10. The non-coincidence of the curves for 0° in certain cases is probably due to a slight shift of the light spot in turning from one plane of polarization to the other, in conjunction with irregularities in the wedge structure.
  11. The interesting experiments of Suhrmann (Phys. Zeits. 32, 216 (1931)) where exposure to vapors of naphthalene and paraffin modified the selective photoelectric effect of a potassium surface, are possibly subject to reinterpretation on an optical rather than the chemical basis favored by Suhrmann.

1932 (1)

Fry, Plane Waves of Light III, Absorption by Metals, J. O. S. A. 22, 307–332 (1932).
[Crossref]

1931 (2)

Ives, The Vectorial Photoelectric Effect in Thin Films of Alkali Metals, Phys. Rev. 38, 1209 (1931); Ives and Briggs, The Photoelectric Effect from Thin Films of Alkali Metal on Silver, Phys. Rev. 38, 1477 (1931); Ives and Briggs, The Depth of Origin of Photoelectrons, Phys. Rev. 40, 802 (1932).
[Crossref]

The interesting experiments of Suhrmann (Phys. Zeits. 32, 216 (1931)) where exposure to vapors of naphthalene and paraffin modified the selective photoelectric effect of a potassium surface, are possibly subject to reinterpretation on an optical rather than the chemical basis favored by Suhrmann.

1928 (1)

Fry, Plane Waves of Light II, Reflection and Refraction, J. O. S. A. 16, 1–25 (1928). See in particular §17.
[Crossref]

Fry,

Fry, Plane Waves of Light III, Absorption by Metals, J. O. S. A. 22, 307–332 (1932).
[Crossref]

Fry, Plane Waves of Light II, Reflection and Refraction, J. O. S. A. 16, 1–25 (1928). See in particular §17.
[Crossref]

Ives,

Ives, The Vectorial Photoelectric Effect in Thin Films of Alkali Metals, Phys. Rev. 38, 1209 (1931); Ives and Briggs, The Photoelectric Effect from Thin Films of Alkali Metal on Silver, Phys. Rev. 38, 1477 (1931); Ives and Briggs, The Depth of Origin of Photoelectrons, Phys. Rev. 40, 802 (1932).
[Crossref]

Suhrmann,

The interesting experiments of Suhrmann (Phys. Zeits. 32, 216 (1931)) where exposure to vapors of naphthalene and paraffin modified the selective photoelectric effect of a potassium surface, are possibly subject to reinterpretation on an optical rather than the chemical basis favored by Suhrmann.

J. O. S. A. (2)

Fry, Plane Waves of Light III, Absorption by Metals, J. O. S. A. 22, 307–332 (1932).
[Crossref]

Fry, Plane Waves of Light II, Reflection and Refraction, J. O. S. A. 16, 1–25 (1928). See in particular §17.
[Crossref]

Phys. Rev. (1)

Ives, The Vectorial Photoelectric Effect in Thin Films of Alkali Metals, Phys. Rev. 38, 1209 (1931); Ives and Briggs, The Photoelectric Effect from Thin Films of Alkali Metal on Silver, Phys. Rev. 38, 1477 (1931); Ives and Briggs, The Depth of Origin of Photoelectrons, Phys. Rev. 40, 802 (1932).
[Crossref]

Phys. Zeits. (1)

The interesting experiments of Suhrmann (Phys. Zeits. 32, 216 (1931)) where exposure to vapors of naphthalene and paraffin modified the selective photoelectric effect of a potassium surface, are possibly subject to reinterpretation on an optical rather than the chemical basis favored by Suhrmann.

Other (7)

See Wood’s Optics, 2nd Ed., p. 175 for a general account of these and other stationary light wave experiments.

See Wood’s Optics, 3rd Ed., p. 173.

The curve shapes repeat the same general characteristics for a series of thicknesses, so that a greater value of t/λ would agree with the experimental data about as well, corresponding to the thickness estimate made from Fig. 4.

The non-coincidence of the curves for 0° in certain cases is probably due to a slight shift of the light spot in turning from one plane of polarization to the other, in conjunction with irregularities in the wedge structure.

The limits of thickness for which the approximation is valid are explained in reference 4, p. 322.

In the case of a film of unit permeability with air or vacuum above it, g/g1 reduces simply to 1/(N+iK0)2, N and K0 being the optical constants of the film.

Reference 4, p. 324.

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Figures (7)

Fig. 1
Fig. 1

Diagrammatic representation of experiment.

Fig. 2
Fig. 2

Type of photoelectric cell used.

Fig. 3
Fig. 3

Computed values of energy density at surface of quartz wedge on platinum, plotted against thickness/wave-length.

Fig. 4
Fig. 4

Observed and computed values of photo-currents along wedge for 60° angle of incidence.

Fig. 5
Fig. 5

Wave-length distribution of photo-currents for various positions on wedge.

Fig. 6
Fig. 6

Angle curves at various positions along wedge.

Fig. 7
Fig. 7

Computed angle curves for various values of t/λ.

Equations (1)

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λ A L = B ( E x 2 + E y 2 + g / g 1 2 E z 2 ) sec I .