High-precision x-ray FEL pulse arrival time measurements at SACLA by a THz streak camera with Xe clusters
- Juranić, P. N.
- Stepanov, A.
- Monoszlai, B.
- Ivanov, R.
- Peier, P.
- Liu, Jia
- Togashi, T.
- Owada, S.
- Ogawa, K.
- Katayama, T.
- Yabashi, M.
- Abela, R.
- Ischebeck, R.
- Schlott, V.
- Pradervand, C.
- Patthey, L.
- Radović, M.
- Gorgisyan, I.
- Rivkin, L.
- Hauri, C. P.
Publication date
January 2014
DOI Publisher
Optical Society of America ISSN
1094-4087Abstract
The accurate measurement of the arrival time of a hard X-ray free electron laser (FEL) pulse with respect to a laser is of utmost importance for pump-probe experiments proposed or carried out at FEL facilities around the world. This manuscript presents the latest device to meet this challenge, a THz streak camera using Xe gas clusters, capable of pulse arrival time measurements with an estimated accuracy of several femtoseconds. An experiment performed at SACLA demonstrates the performance of the device at photon energies between 5 and 10 keV with variable photon beam parameters
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