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References

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  1. Wood, Physical Optics, p. 193.
  2. Ann. Chim. Phys. 12, 459 (1897).
  3. J. W. Gifford, Proc. Roy. Soc. 70, 329 (1902); Proc. Roy. Soc. 84, 193 (1910).
    [Crossref]

1902 (1)

J. W. Gifford, Proc. Roy. Soc. 70, 329 (1902); Proc. Roy. Soc. 84, 193 (1910).
[Crossref]

1897 (1)

Ann. Chim. Phys. 12, 459 (1897).

Gifford, J. W.

J. W. Gifford, Proc. Roy. Soc. 70, 329 (1902); Proc. Roy. Soc. 84, 193 (1910).
[Crossref]

Wood,

Wood, Physical Optics, p. 193.

Ann. Chim. Phys. (1)

Ann. Chim. Phys. 12, 459 (1897).

Proc. Roy. Soc. (1)

J. W. Gifford, Proc. Roy. Soc. 70, 329 (1902); Proc. Roy. Soc. 84, 193 (1910).
[Crossref]

Other (1)

Wood, Physical Optics, p. 193.

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Figures (3)

Fig. 2
Fig. 2

Interference fringes obtained with quartz slit cover 1 mm thick on a stigmatic grating spectrograph. Wave-length region 5500A. Incandescent tungsten light source. Five times enlarged.

Fig. 3
Fig. 3

Diagram showing relationships between wave-length of light, thickness of plate, and intensity of transmitted light.

Tables (1)

Tables Icon

Table I Minimum transmittance, T, of quartz plate.

Equations (14)

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x λ = 2 n d
x = an integer , λ = wave-length , n = refractive index ( which will vary with wave-length ) , d = thickness of the plate .
a c e + a b c = 0.
a c f + a b 2 = a
c f = 1 b 2 .
b = e ,
a b c f + a b 3 c f + a b 5 c f + , etc .
= a b c f ( 1 + b 2 + b 4 + , etc . )
= a b c f ( 1 / 1 b 2 ) = a b ( c f / 1 b 2 )
= a b ,
T = 1 / [ 1 + 4 R ( 1 R ) 2 cos 2 π 2 d n λ ] ,
T = transmittance , R = reflectance for a single surface , n = refractive index at the wave-length in question , λ = wave-length , d = thickness of the plate , π = its customary value .
R = ( n 1 ) 2 / ( n + 1 ) 2 ,
R = reflectance at normal incidence , n = refractive index .