| Paper |
Title |
Page |
| WEPC112 |
The Acceptance and Photon Beam Formation in SLS FEMTO Beamline
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2264 |
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- L. M. Hovhannisyan, D. K. Kalantaryan, V. M. Tsakanov
CANDLE, Yerevan
- S. T. Hakobyan
YSU, Yerevan
- A. Streun
PSI, Villigen
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The FEMTO insertion at the Swiss Light Source (SLS) produces sub-ps X-ray pulses by modulating the electron energy in a slice of the bunch through interaction with a fs-laser. The radiation from the sliced bunch in the FEMTO undulator of the SLS storage ring has been studied. Only photons passing all apertures of the beam line arrive at the experiment. We derive the transverse phase space distribution of these photons, the radiation spectra, and the spatial and angular distribution. Transmission of the radiated photons through the FEMTO beamline is calculated using the SRW simulation code in order to evaluate the acceptance of the beamline and the photon beam phase space distribution at the experimental station.
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