Clocking Femtosecond X Rays

Cavalieri, A.L.; Fritz, D.M.; Lee, S.H.; Bucksbaum, P.H.; Reis, D.A.; Rudati, J.; Mills, D.M.; Fuoss, P.H.; Stephenson, G.B.; Kao, C.C.

doi:10.1103/PhysRevLett.94.114801

Clocking Femtosecond X Rays

A.L. Cavalieri
(
- Unlisted and
- Michigan U.
)
,
D.M. Fritz
(
- Unlisted and
- Michigan U.
)
,
S.H. Lee
(
- Unlisted and
- Michigan U.
)
,
P.H. Bucksbaum
(
- Unlisted and
- Michigan U.
)
,
D.A. Reis
(
- Unlisted and
- Michigan U.
)

Mar 25, 2005

4 pages

Published in:

Phys.Rev.Lett. 94 (2005) 114801

DOI:

10.1103/PhysRevLett.94.114801

View in:

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Abstract: (APS)

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.