STATUS OF UNDULATOR


current

Work has been temporarily suspended since September, 1997, pending procurement of additional funding.

14-Aug-97

The magnets have been fabricated. The prototype has been assembled, and a preliminary field measurement made.

The undulator is a tunable, helical, permanent-magnet design consisting of double helix rows of magnets and ferro-magnetic pole pieces.

[photo of helical undulator prototype][gif 86K][jpeg 25K] photo - 13-Aug-97
3½ period prototype of the 2 MV, CWMM-FEL undulator.

[measured fields of undulator prototype]
Measured fields of 3½ period undulator prototype


MAGNETS
[photo of helical undulator magnet]
[gif 106K]
[jpeg 22K]
Material:
NdFeB
Crucible UT34K
Br = 12.0 KG
Hci = 21.8 KOe
 
Manufacturer:
Magnetic Components Engineering
Torrance, California