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Paper   IPM / Particles / 13540
School of Particles and Accelerator
  Title:   Effect of the Electron Beam Emittance on the ILSF Radiation of Sources and Beamline Design
  Author(s): 
1.  Azam Gholampour
2.  Somayeh Amiri
3.  Hossein Khosroabadi
4.  Hossein Ghasem
5.  Javad Rahighi
6.  Mohammad Lamehi Rashti
  Status:   In Proceedings
  Proceeding: in Proceeding of International Particle Accelerator Conference, 20-25 June, Dresden, Germany, (2014), p. 2075-2077
  Year:  2014
  Supported by:  IPM
  Abstract:
At the Iranian Light Source Facility (ILSF), two different storage ring options are being studied. The designs differ in emittance. In the first option the calculated emittance is 3.278 nm-rad whereas for the second option emittance is 0.937 nm-rad. In this paper the elec-tron beam emittance effects on the source radiation properties from bending magnet, wiggler and undulator, X-ray optics and the beamline design are carefully studied. The present calcu-lations demonstrate that in the case of 0.937 nm-rad brilliance of undulator is increased by a factor of about 5. For bending magnet, flux is reduced almost 1 order of magnitude for hard x-ray regime. Because of smaller size of the source for undulator at the case of 0.937 nm-rad, we can achieve to a smaller spot size and higher resolution with easier focusing systems and usual kind of monochromator than the emittance of 3.278 nm-rad and for the bending magnet hard x-ray beamline, size of the mirrors reduced 30

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