A grazing incidence x-ray streak camera for ultrafast, single-shot measurements

Feng, J.; Engelhorn, K.; Cho, B. I.; Lee, H. J.; Greaves, M.; Weber, C. P.; Falcone, R. W.; Padmore, H. A.; Heimann, P. A.
March 2010
Applied Physics Letters;3/29/2010, Vol. 96 Issue 13, p134102
Academic Journal
An ultrafast x-ray streak camera has been realized using a grazing incidence reflection photocathode. X-rays are incident on a gold photocathode at a grazing angle of 20° and photoemitted electrons are focused by a large aperture magnetic solenoid lens. The streak camera has high quantum efficiency, 600 fs temporal resolution, and 6 mm imaging length in the spectral direction. Its single shot capability eliminates temporal smearing due to sweep jitter, and allows recording of the ultrafast dynamics of samples that undergo nonreversible changes.


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