Abstract

The horizontal foci of a Tandem Wadsworth spectrograph are calculated by using the correct ruling densities for both gratings. Results are quite different from those of previous analyses that used approximate ruling densities. Ray tracings confirm the analyses with the correct ruling densities and also indicate that this spectrograph possesses the excellent, nearly stigmatic properties found by the approximate analyses.

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References

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  1. J-D. F. Bartoe and G. E. Brueckner, "New stigmatic, coma-free, concave-grating spectrograph," J. Opt. Soc. Am. 65, 13–21 (1975).
  2. G. E. Brueckner, J-D. F. Bartoe, and M. E. Van Hoosier, "High spatial resolution observations of the solar EUV spectrum," to be published in Proceedings of the OSO-8 Workshop edited by E. Hansen and S. Schaffner (University of Colorado, Boulder, 1978).
  3. S. O. Kastner and W. M. Neupert, "Image construction for concave gratings at grazing incidence, by ray tracing," J. Opt. Soc. Am. 53, 1180–1184 (1963).
  4. H. Noda, T. Namioka, and M. Seya, "Ray tracing through holographic gratings," J. Opt. Soc. Am. 64, 1037–1042 (1974).

1975 (1)

1974 (1)

1963 (1)

Bartoe, J-D. F.

J-D. F. Bartoe and G. E. Brueckner, "New stigmatic, coma-free, concave-grating spectrograph," J. Opt. Soc. Am. 65, 13–21 (1975).

G. E. Brueckner, J-D. F. Bartoe, and M. E. Van Hoosier, "High spatial resolution observations of the solar EUV spectrum," to be published in Proceedings of the OSO-8 Workshop edited by E. Hansen and S. Schaffner (University of Colorado, Boulder, 1978).

Brueckner, G. E.

J-D. F. Bartoe and G. E. Brueckner, "New stigmatic, coma-free, concave-grating spectrograph," J. Opt. Soc. Am. 65, 13–21 (1975).

G. E. Brueckner, J-D. F. Bartoe, and M. E. Van Hoosier, "High spatial resolution observations of the solar EUV spectrum," to be published in Proceedings of the OSO-8 Workshop edited by E. Hansen and S. Schaffner (University of Colorado, Boulder, 1978).

Hoosier, M. E. Van

G. E. Brueckner, J-D. F. Bartoe, and M. E. Van Hoosier, "High spatial resolution observations of the solar EUV spectrum," to be published in Proceedings of the OSO-8 Workshop edited by E. Hansen and S. Schaffner (University of Colorado, Boulder, 1978).

Kastner, S. O.

Namioka, T.

Neupert, W. M.

Noda, H.

Seya, M.

J. Opt. Soc. Am. (3)

Other (1)

G. E. Brueckner, J-D. F. Bartoe, and M. E. Van Hoosier, "High spatial resolution observations of the solar EUV spectrum," to be published in Proceedings of the OSO-8 Workshop edited by E. Hansen and S. Schaffner (University of Colorado, Boulder, 1978).

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