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Holographically Made Zone Plates for use in X-Ray-Telescopes

  • D. Rudolph (a1) and G. Schmahl (a1)

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As it is well known one can obtain images of the Sun in the soft X-ray region and far UV region by use of zone plates. The main advantage of such imaging systems is the good resolution over a large field. There are however some disadvantages by using zone plates as imaging systems. These disadvantages are the wavelength dependence of the focal length and the zero order halo which diminishes the contrast of the image.

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References

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Bräuninger, H., Einighammer, H. J., Fink, H. H., and Mayer, U.: 1969, Mitt. Astron. Ges. 27, 200.
Feitzinger, J. V.: 1968, Bundesministerium für wissenschaftliche Forschung Forschungsbericht W 68-63.
Rudolph, D. and Schmahl, G.: 1970, Optik 30, 475.
Schmahl, G. and Rudolph, D.: 1969, Optik 29, 577.

Holographically Made Zone Plates for use in X-Ray-Telescopes

  • D. Rudolph (a1) and G. Schmahl (a1)

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