21 January 1993 Application of aberration theory to calculate encircled energy of Wolter I-II telescopes
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Abstract
The encircled energy of grazing incidence Wolter telescopes has been studied by application of Saha's transverse ray aberration theory. A formula has been derived for the encircled energy of the Wolter telescopes. It has been used to the calculate the encircled energy of several Wolter I and II grazing incidence telescopes. The results derived from the formula have been compared with those obtained by exact ray tracing. The effects of third, fifth, and seventh-order aberration theory have been studied.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Shao-Hua Chao, David L. Shealy, "Application of aberration theory to calculate encircled energy of Wolter I-II telescopes", Proc. SPIE 1742, Multilayer and Grazing Incidence X-Ray/EUV Optics for Astronomy and Projection Lithography, (21 January 1993); doi: 10.1117/12.140561; https://doi.org/10.1117/12.140561
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