A Total Transverse Aberration Function For Grazing Incidence Optics

James F. McGee; John W. Burrows

doi:10.1117/12.955462

29 August 1977 A Total Transverse Aberration Function For Grazing Incidence Optics

James F. McGee, John W. Burrows

Proceedings Volume 0106, X-Ray Imaging; (1977) https://doi.org/10.1117/12.955462
Event: 1977 SPIE/SPSE Technical Symposium East, 1977, Reston, United States

Abstract

The x-ray image formed by total-external reflection from a concave spherical or cylindrical surface is faulted by numerous geometrical aberrations. Unfortunately the "blur" recorded on the film does not separate out the individual aberrations or reveal the controlling system parameters. Ray tracing with the aid of a high speed computer may aid in identifying a prominent type of aberration but will not in general yield the functional dependence of the system parameters on the blur. The present analysis develops a theo-retical expression for the blur as a power series in which the individual terms may be identified with well known aberrations defects. The coefficient of each term is expressed in terms of applicable system parameters and thus indicates almost at a glance what can be done to minimize a particular aberration. It is cautioned however that a favorable change in one aberration coefficient may cause an unfavorable change in another.

Citation Download Citation

James F. McGee and John W. Burrows "A Total Transverse Aberration Function For Grazing Incidence Optics", Proc. SPIE 0106, X-Ray Imaging, (29 August 1977); https://doi.org/10.1117/12.955462

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