Potential pitfalls in the design of x-ray/EUV imaging systems

James E. Harvey

doi:10.1117/12.131975

1 July 1992 Potential pitfalls in the design of x-ray/EUV imaging systems

James E. Harvey

Proceedings Volume 10263, Lens Design: A Critical Review; 102630C (1992) https://doi.org/10.1117/12.131975
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

Recent advances in X-ray sources and optical fabrication techniques have resulted in a resurgence of activity in the field of X-ray and extreme ultraviolet (EUV) imaging systems. Novel approaches to the fabrication of grazing incidence X-ray mirrors and the rapidly emerging technology of enhanced reflectance X-ray multilayers are producing new advances in the areas of X-ray/EUV astronomy, soft X-ray microscopy. X-ray microlithography, and synchrotron source applications. However, traditional optical design and analysis techniques (geometrical ray tracing) are woefully inadequate for predicting the performance oi high resolution imaging systems at these very short wavelengths. The diffraction effects of highly obscured annular apertures (grazing incidence optics) and small angle scattering effects due to residual optical fabrication errors will frequently dominate geometrical design errors in the degradation of image quality. These and other potential pitfalls in the design and analysis of high-resolution X-ray/EUV imaging systems will be emphasized and illustrated by examples in current applications of major interest.

Citation Download Citation

James E. Harvey "Potential pitfalls in the design of x-ray/EUV imaging systems", Proc. SPIE 10263, Lens Design: A Critical Review, 102630C (1 July 1992); https://doi.org/10.1117/12.131975

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