Physics – Optics
Scientific paper
Apr 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apopt..27.1527h&link_type=abstract
(SPIE, Conference on Grazing Incidence Optics for Astronomical and Laboratory Applications, San Diego, CA, Aug. 17-19, 1987) App
Physics
Optics
16
Grazing Incidence, Optical Transfer Function, Surface Properties, Fourier Transformation, Point Spread Functions, Surface Geometry, Telescopes
Scientific paper
By using Fourier techniques and linear systems theory, an analytic expression for a generalized transfer function for grazing incidence optical systems operating at ultraviolet and X-ray wavelengths is derived that includes the effects of optical fabrication errors over the entire range of relevant spatial frequencies. The Fourier transform of this transfer function yields the image distribution (or point spread function) from which encircled energy characteristics or other image quality criteria can be obtained. This transfer function characterization of grazing incidence optical systems allows parametric trade studies and sensitivity analyses to be performed as well as the derivation of fabrication tolerances necessary to satisfy a given image quality requirement.
Harvey James E.
Moran Edward C.
Zmek William P.
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