Clocking femtosecond X rays.

Clocking femtosecond X rays.

Linear-accelerator-based sources will revolutionize ultrafast x-ray science due to their unprecedented brightness and short pulse duration. However, time-resolved studies at the resolution of the x-ray pulse duration are hampered by the inability to precisely synchronize an external laser to the acc...

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Bibliographic Details
Main Authors: Cavalieri, A, Fritz, D, Lee, S, Bucksbaum, P, Reis, D, Rudati, J, Mills, D, Fuoss, P, Stephenson, G, Kao, C, Siddons, D, Lowney, D, Macphee, A, Weinstein, D, Falcone, R, Pahl, R, Als-Nielsen, J, Blome, C, Düsterer, S, Ischebeck, R, Schlarb, H, Schulte-Schrepping, H, Tschentscher, T, Schneider, J, Hignette, O
Format: Journal article
Language:English
Published: 2005
Description
Summary:Linear-accelerator-based sources will revolutionize ultrafast x-ray science due to their unprecedented brightness and short pulse duration. However, time-resolved studies at the resolution of the x-ray pulse duration are hampered by the inability to precisely synchronize an external laser to the accelerator. At the Sub-Picosecond Pulse Source at the Stanford Linear-Accelerator Center we solved this problem by measuring the arrival time of each high energy electron bunch with electro-optic sampling. This measurement indirectly determined the arrival time of each x-ray pulse relative to an external pump laser pulse with a time resolution of better than 60 fs rms.

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