Ultrafast Transmission Electron Microscopy


Figure 7: Diffraction fading curves for paraffin and purple membrane materials using continuous and UFPTM


modulated electron beam at 20% duty factor. Native


instrument is JEOL JEM-3010. Courtesy of Dr. Hyeokmin Choe (Euclid Techlabs), Dr. June Lau (NIST-Gaithersburg), and Dr. Yimei Zhu (Brookhaven National Laboratory).


Table 1: Comparison of present-day UTEM techniques. ✓ = available/demonstrated, ✓* = possible, with extensive time delay, ✓‡


= possible/not demonstrated, ✓^ = possible under special circumstances.


52


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