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Insertion Devices

Parameters


The main parameters of the ELETTRA insertion devices are listed in the following table:

ID s.s. Pos. Period
(mm)
Np Length
(mm)
Bo (T) K Ptot
(kW)
Pd max (kW/mrad2) gap
(mm)
 
U4.6 2 - 46.00 98 2 x 2254 0.921 3.96 3.9 6.2 13.5
U12.5 3 - 125.16 3 x 12 3 x 1501.92 0.533
0.506
6.23
5.9
1.3
1.2
  29 (design)
32  (actual)
U12.5 6 - 125.16 3 x 12 3 x 1501.92 0.74
0.570
 
8.6
6.66
 
2.5
1.5
1.8
1.4
 19 (future)
 29 (design)
30  (actual)
U8.0 7 - 80.36 19 1526.84 0.897
0.710
6.73 1.2
0.8
  20 (design)
26  (actual)
W14.0 5 - 140.0 3 x 19 poles ~3 x 1500 1.607
1.501
21.01
19.63
8.6
7.5
  20 (design) 22  (actual)
EEW 4 - 212.0 16 3322 0.5
0.1
Ky=10.0
Kx= 2.0
0.6   Iv=160 A
Ih=275 A
EU6.0 9 D 60.36 36 2150.3 0.781
0.419
0.510
Ky=4.40
Kh=2.36
Kx=2.87
1.3 1.9 19
EU12.5 9 U 125.00 17 2075.5 0.771
0.465
0.595
Ky=9.00
Kh=5.42
Kx=6.94
1.3   18.6
EU10.0 1 U D 100.36 2 x 20 1969.6 1.021
0.626
0.775
Ky=9.57
Kh=5.87
Kx=7.26
4.2
3.1
2.4
2.8
 
2.1
19
EU4.8 8 U 48.36 44 2091.12 0.584
0.296
0.343
Ky=2.62
Kh=1.34
Kx=1.55
0.7
0.4
0.3
1.7
0.5
1.0
19
EU7.7 8 D 77.16 28 2094.96 0.915
0.528
0.636
Ky=6.59
Kh=3.80
Kx=4.58
1.8   19
F8 10   140 2 x 16 ~4400 0.75
0.14
Ky=9.81
Kx=3.56
2.8    
SCW 11   64 49 poles ~1500 3.5 19.6 18.6 5.6 -
Short 12   56.36 17 ~1000 0.5 2.63 0.3   25
Notes:
 
Ib=0.4A E=2 GeV
Pos. U = upstream, D = downstream
Ptot(kW)=0.6325*Bo*Bo*L*E**2*Ib                    (use Bo*Bo*2 for the helical case)
Pd max(W/mrad2)=5.42*Bo*E**4*Npoles*Ib       (linear polarization only)

Abbreviations and symbols:

  PM Permanent Magnet
HYB Hybrid
EM Electomagnetic
SC Superconducting
Ky, Kh, Kx deflection parameter for horizontal, circular and vertical polarization modes

Last Updated on Monday, 20 April 2015 11:04