期刊
PHYSICAL REVIEW A
卷 79, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.79.023809
关键词
free electron lasers; image reconstruction; image resolution; iterative methods; optical harmonic generation; X-ray diffraction; X-ray imaging; X-ray lasers; X-ray microscopy; X-ray optics
We demonstrate coherent diffraction imaging using multiple harmonics from a high-harmonic generation source. An algorithm is presented that builds the known incident spectrum into the reconstruction procedure with the result that the useable flux is increased by more than an order of magnitude. Excellent images are obtained with a resolution of (165 +/- 5) nm and compare very well with images from a scanning electron microscope.
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