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VOLUME 48 (1988) | ISSUE 2 | PAGE 109
Experimental observation of two-dimensional focusing of x rays in backscattering
A focusing of CoKax χ radiation has been achieved with a spherically curved Ge (620) single crystal reflecting in a backscattering mode (20 ~ π). A point focus ~ 10//m in size has been obtained. The theoretical diffraction limit of the width of о _ the focus in this arrangement is 120 A. The luminosity is high.