Abstract

Normal conducting superbend in an ultralow emittance storage ring

Highlights

  • The Iranian Light Source Facility (ILSF) project is the first Iranian synchrotron light laboratory which is in the design stage and will be built in the city of Qazvin located 150 km west of Tehran

  • As the main radiation source, the ILSF storage ring is based on a five-bend achromat lattice providing an ultralow horizontal beam emittance of 0.48 nm rad

  • The horizon of the ultralow beam emittance storage rings is based on the multibend achromat lattice structure, which improves the brightness 2–3 orders of magnitude higher than present synchrotron radiation sources [3,4,5,6,7,8]

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Summary

INTRODUCTION

The Iranian Light Source Facility (ILSF) project is the first Iranian synchrotron light laboratory which is in the design stage and will be built in the city of Qazvin located 150 km west of Tehran. The superbend can be employed instead of the ILSF bare lattice central bending magnet to be a source of bright high energy radiation without using up any straight sections. The superbend magnet is chosen for use instead of the ILSF lattice central low-field dipole. The experiences of R&D fabricated magnet prototypes with home industries demonstrated that the laminated low carbon steel ST14 which is locally available can be employed as the main material for fabrication of the superbend magnet [18,19] It can provide a magnetic field of 1.4 T, which corresponds to the critical radiated beam energy of 8.38 keV desired for the users. The subscripts x, y, and s in the paper indicate horizontal, vertical, and longitudinal directions, respectively

BEAM DYNAMICS
SUPERBEND ELECTROMAGNET DESIGN
Magnetic field
Harmonic analysis
Static mechanical analysis
Lattice central dipole chamfering
Superbend magnet
Mechanical design
Findings
CONCLUSIONS AND OUTLOOK
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