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References

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  1. A. Shafer, L. Megill, L. Droppleman, J. Opt. Soc. Am. 54, 879 (1964).
    [CrossRef]
  2. M. Dalton, Appl. Opt. 5, 1121 (1966).
    [CrossRef] [PubMed]
  3. L. C. Rosendahl, J. Opt. Soc. Am. 52, 412 (1962).
    [CrossRef]

1966

1964

1962

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Figures (1)

Fig. 1
Fig. 1

This illustrates the general case of an asymmetric Czerny–Turner spectrometer or spectrograph with two torroidal mirrors. There are four radii of curvature: R1, ρ1, R2, and ρ2 related to the two off-axis angles α1 and α2 through Eq. (3). The letter S designates the source slit and the letter I a monochromatic image of the source slit.

Equations (3)

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r i = ( R / 2 ) ( cos α / 2 ) + Δ r t ;
r s = ( ρ / 2 ) ( sec α / 2 ) + Δ r s .
ρ = R ( cos 2 α / 2 ) .

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