AUTHORS: Chen YT, Chen TY, Yi JM, Chu YS, Lee WK, Wang CL, Kempson IM, Hwu Y, Gajdosik V, Margaritondo G

Optics Letters, 36(7): 1269-71, April 2011

ABSTRACT

Since its invention in 1930, Zernike phase contrast has been a pillar in optical microscopy and more recently in x-ray microscopy, in particular for low-absorption-contrast biological specimens. We experimentally demonstrate that hard-x-ray Zernike microscopy now reaches a lateral resolution below 30 nm while strongly enhancing the contrast, thus opening many new research opportunities in biomedicine and materials science.

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