Contact: Dr. Thomas Zoufal
Deutsches Elektronen-Synchrotron DESY
Caption: This is an electron micrograph of the micro lens on the tip of a needle. The lens has a diameter of just two microns (thousandths of a millimeter).
Credit: Image: University of Göttingen
Usage Restrictions: Picture may be used with proper credit line.
Related news release: The world's sharpest X-ray beam shines at DESY