scholarly journals Dynamic Aperture Optimization for Low Emittance Light Sources

2006 ◽  
Author(s):  
S.L. Kramer ◽  
J. Bengtsson
Keyword(s):  
Light Sources ◽  
Dynamic Aperture ◽  
Low Emittance

Lattice design challenges for fourth-generation storage-ring light sources

2014 ◽  
Vol 21 (5) ◽  
pp. 912-936 ◽  
Author(s):  
Michael Borland ◽  
Glenn Decker ◽  
Louis Emery ◽  
Vadim Sajaev ◽  
Yipeng Sun ◽  
...  
Keyword(s):  
Storage Ring ◽  
Fourth Generation ◽  
Light Sources ◽  
Third Generation ◽  
Lattice Design ◽  
The World ◽  
Beam Lifetime ◽  
New Generation ◽  
Design Challenges ◽  
Low Emittance

Third-generation low-emittance storage-ring light sources based on double- and triple-bend cells and undulator magnets have been in operation around the world for more than two decades. On the horizon is a new generation based on the multi-bend achromat (MBA) lattice concept promising two to three orders of magnitude higher brightness than is available in today's sources. In this paper, the challenges inherent in designing MBA lattices, as well as potential solutions, are described. Topics covered include lattice concepts, scaling of storage-ring performance, brightness optimization, nonlinear dynamics, beam lifetime and injection schemes.

Ultra-Low-Emittance Light Sources

2014 ◽  
Vol 27 (6) ◽  
pp. 2-2 ◽  
Author(s):  
Michael Borland
Keyword(s):  
Light Sources ◽  
Low Emittance

scholarly journals First multi-bend achromat lattice consideration

2014 ◽  
Vol 21 (5) ◽  
pp. 856-861 ◽  
Author(s):  
Dieter Einfeld ◽  
Mark Plesko ◽  
Joachim Schaper
Keyword(s):  
Beam Current ◽  
Light Sources ◽  
The Novel ◽  
Beam Emittance ◽  
Baseline Design ◽  
Beam Lifetime ◽  
Dynamic Aperture ◽  
Synchrotron Light ◽  
H Beam ◽  
Synchrotron Light Sources

By the beginning of 1990, three third-generation synchrotron light sources had been successfully commissioned in Grenoble, Berkeley and Trieste (ESRF, ALS and ELETTRA). Each of these new machines reached their target specifications without any significant problems. In parallel, already at that time discussions were underway regarding the next generation, the `diffraction-limited light source (DLSR)', which featured sub-nm rad electron beam emittance, photon beam brilliance exceeding 1022and the potential to emit coherent radiation. Also, at about that time, a first design for a 3 GeV DLSR was developed, based on a modified multiple-bend achromat (MBA) design leading to a lattice with normalized emittance of ∊x= 0.5 nm rad. The novel feature of the MBA lattice was the use of seven vertically focusing bend magnets with different bending angles throughout the achromat cell to keep the radiation integrals and resulting beam emittance low. The baseline design called for a 400 m ring circumference with 12 straight sections of 6 m length. The dynamic aperture behaviour of the DLSR lattice was estimated to produce > 5 h beam lifetime at 100 mA stored beam current.

scholarly journals Source size measurement options for low-emittance light sources

2020 ◽  
Vol 23 (2) ◽  
Author(s):  
N. Samadi ◽  
X. Shi ◽  
L. Dallin ◽  
D. Chapman
Keyword(s):  
Source Size ◽  
Light Sources ◽  
Size Measurement ◽  
Low Emittance

scholarly journals Investigation of the damping wiggler effect and application on the PAL fourth-generation storage ring

2020 ◽  
Vol 27 (6) ◽  
pp. 1510-1517
Author(s):  
Gyeongsu Jang ◽  
M. Yoon ◽  
J. Lee ◽  
B.-H. Oh ◽  
J. Kim ◽  
...  
Keyword(s):  
Storage Ring ◽  
Fourth Generation ◽  
Light Sources ◽  
Dynamic Aperture ◽  
Pohang Accelerator Laboratory ◽  
Pal Xfel

An investigation of the damping wiggler effect to reduce the emittance in the Pohang Accelerator Laboratory (PAL), a fourth-generation storage ring (4GSR) that uses a multi-bend achromat, is presented. A 4GSR lattice which has reduced emittance and increased dynamic aperture to amplify the synergy with two existing light sources (PLS-II and PAL-XFEL) at PAL is described.

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