Abstract

Direct vision prisms are useful for quick examination of any spectrum. Most of the commercial direct vision instruments utilize the cemented type Amici prism consisting of both crown and flint prisms. In this paper a type of direct vision prism made of single glass is discussed. It utilizes two refractions for dispersive purposes and an even number of internal reflections. In addition some other types of direct vision prisms are described differing from the usual Amici type.

© 1970 Optical Society of America

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References

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  1. G. B. Amici, Museo Fiorentino 1, 1 (1860).
  2. J. P. C. Southall, Prisms, Mirrors and Lenses (Dover Publications, Inc., New York, 1965), pp. 497–499.
  3. B. Sherman, U.S. Patent3,057,248, 9October1962.
  4. A relevant reference regarding this prism is P. M. McPherson, N. Sclar, B. R. Linden, W. Brouwer, A. T. Stair, J. Opt. Soc. Amer. 51, 767(1961), in which the authors attribute it to L. Mertz. This article, however, does not give any theory of the prism which is presented here.
    [CrossRef]

1961 (1)

A relevant reference regarding this prism is P. M. McPherson, N. Sclar, B. R. Linden, W. Brouwer, A. T. Stair, J. Opt. Soc. Amer. 51, 767(1961), in which the authors attribute it to L. Mertz. This article, however, does not give any theory of the prism which is presented here.
[CrossRef]

1860 (1)

G. B. Amici, Museo Fiorentino 1, 1 (1860).

Amici, G. B.

G. B. Amici, Museo Fiorentino 1, 1 (1860).

Brouwer, W.

A relevant reference regarding this prism is P. M. McPherson, N. Sclar, B. R. Linden, W. Brouwer, A. T. Stair, J. Opt. Soc. Amer. 51, 767(1961), in which the authors attribute it to L. Mertz. This article, however, does not give any theory of the prism which is presented here.
[CrossRef]

Linden, B. R.

A relevant reference regarding this prism is P. M. McPherson, N. Sclar, B. R. Linden, W. Brouwer, A. T. Stair, J. Opt. Soc. Amer. 51, 767(1961), in which the authors attribute it to L. Mertz. This article, however, does not give any theory of the prism which is presented here.
[CrossRef]

McPherson, P. M.

A relevant reference regarding this prism is P. M. McPherson, N. Sclar, B. R. Linden, W. Brouwer, A. T. Stair, J. Opt. Soc. Amer. 51, 767(1961), in which the authors attribute it to L. Mertz. This article, however, does not give any theory of the prism which is presented here.
[CrossRef]

Sclar, N.

A relevant reference regarding this prism is P. M. McPherson, N. Sclar, B. R. Linden, W. Brouwer, A. T. Stair, J. Opt. Soc. Amer. 51, 767(1961), in which the authors attribute it to L. Mertz. This article, however, does not give any theory of the prism which is presented here.
[CrossRef]

Sherman, B.

B. Sherman, U.S. Patent3,057,248, 9October1962.

Southall, J. P. C.

J. P. C. Southall, Prisms, Mirrors and Lenses (Dover Publications, Inc., New York, 1965), pp. 497–499.

Stair, A. T.

A relevant reference regarding this prism is P. M. McPherson, N. Sclar, B. R. Linden, W. Brouwer, A. T. Stair, J. Opt. Soc. Amer. 51, 767(1961), in which the authors attribute it to L. Mertz. This article, however, does not give any theory of the prism which is presented here.
[CrossRef]

J. Opt. Soc. Amer. (1)

A relevant reference regarding this prism is P. M. McPherson, N. Sclar, B. R. Linden, W. Brouwer, A. T. Stair, J. Opt. Soc. Amer. 51, 767(1961), in which the authors attribute it to L. Mertz. This article, however, does not give any theory of the prism which is presented here.
[CrossRef]

Museo Fiorentino (1)

G. B. Amici, Museo Fiorentino 1, 1 (1860).

Other (2)

J. P. C. Southall, Prisms, Mirrors and Lenses (Dover Publications, Inc., New York, 1965), pp. 497–499.

B. Sherman, U.S. Patent3,057,248, 9October1962.

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Figures (7)

Fig. 1
Fig. 1

Kessler prism.

Fig. 2
Fig. 2

Sherman type prism.

Fig. 3
Fig. 3

New prism.

Fig. 4
Fig. 4

Two 30° prisms in series.

Fig. 5
Fig. 5

Two 30° prisms in series and the double mirror replaced by a prism.

Fig. 6
Fig. 6

Two 60° prisms in series.

Fig. 7
Fig. 7

Two 60° prisms in series and the double mirror replaced by a prism.

Equations (18)

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I = T / 2 , R = ( B / 2 ) S , 360 ° = T + 2 S + B .
T = 2 I , S = 90 ° ( I + R ) / 2 , B = 180 ° ( I R ) ,
T = 116 ° 2 4 , S = 45 ° 5 4 , B = 151 ° 4 8 .
I = T / 2 , R = T S + ( B / 2 ) , 360 ° = T + 2 S + B .
T = 2 I , S = 90 ° + ( I R ) / 2 , B = 180 ° + R 3 I .
T = 116 ° 2 4 , S = 104 ° 6 , B = 35 ° 2 4 .
T = 97 ° 1 2 , S = 99 ° 1 8 , B = 64 ° 1 2 .
I = T / 2 , R = T + S ( B / 2 ) 180 ° , 360 ° = T + 2 S + B .
T = 2 I , S = 180 ° + ( R / 2 ) ( 3 / 2 ) I , B = I R .
T = 116 ° 2 4 , S = 107 ° 4 2 , B = 28 ° 1 2 .
T = R , B = I R ,
T = 30 ° , B = 28 ° 1 2 .
B = 90 ° sin 1 [ cos ( I T ) / n ] ,
B = 58 ° 4 6 .
B = 2 I T ,
B = 56 ° 2 4 .
B = 90 ° sin 1 [ cos ( 2 I T ) / n ] .
B = 71 ° 0 0 .

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