A scheme based on general quantum scattering theory is presented in this paper to describe the performance of I-D Bragg-Fresnel optics recently developed for X-ray optics. The theory and method are valid as long as the working wavelength is smaller than the characteristic parameter (i.e. half-width of center zone) of the Bragg-Fresnel optics and this allows us to evaluate the performance of Bragg-Fresnel optics. Some simple numerical application results are also shown.
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