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Insertion Devices

 

Devices

Brilliance of radiation
from the insertion devices
(U3, U4, U5, U6 and U7)
and a beding magnet
of UVSOR-III

U1 Apple-II Undurator/ Optical Klystron

Number of Periods 10+10
Period Length 88 mm
Pole Length 0.968 m + 0.968 m
Pole Gap 24 - 200 mm
Deflection Parameter 7.36 (Max. Horizontal)
4.93 (Max. Verticl)
4.06 (Max. Helical)

U3 In-vacuum Undulator

Number of Periods 50
Period Length 38 mm
Pole Length 1.9 m
Pole Gap 15 - 40 mm
Deflection Parameter 2.00 - 0.24

U5 Apple-II Variable Polarization Undulator

Number of Periods 38
Period Length 60 mm
Pole Length 2.28 m
Pole Gap 24 - 190 mm
Deflection Parameter 3.4(Max. Horizontal)
2.1(Max, Vertical)
1.8 (Max. Helical)

U6 In-vacuum Undulator

Number of Periods 26
Period Length 36 mm
Pole Length 0.94 m
Pole Gap 13 - 40 mm
Deflection Parameter 1.78 - 0.19

U4 In-vacuum Undulator

Number of Periods 26
Period Length 38 mm
Pole Length 0.99 m
Pole Gap 13 - 40 mm
Deflection Parameter 2.4 - 0.19

U7 Apple-II Variable Polarization Undulator

Number of Periods 40
Period Length 76 mm
Pole Length 3.04 m
Pole Gap 24 - 200 mm
Deflection Parameter 5.4 (Max. Horizontal)
3.6 (Max. Vertical)
3.0 (Max. Helical)

Bending Magnets

Bending Radius 2.2 m
Critical Energy 425 eV
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