AUTHORS: Chu YS, Yi JM, De Carlo F, Shen Q, Lee WK, Wu HJ, Chien CC, Hwu Y, Tkachuk A, Yun W, Feser M, Liang KS, Yang CS, Je JH, Margaritondo G

Applied Physics Letters, 92(10): , March 2008

ABSTRACT

Substantial improvements in the nanofabrication and characteristics of gold Fresnel zone plates yielded unprecedented resolution levels in hard-x-ray microscopy. Tests performed on a variety of specimens with 8-10 keV photons demonstrated a first-order lateral resolution below 40 nm based on the Rayleigh criterion. Combined with the use of a phase contrast technique, this makes it possible to view features in the 30 nm range; good-quality images can be obtained at video rate, down to 50 ms/frame. The important repercussions on materials science, nanotechnology, and the life sciences are discussed.

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