SLAC Magnetic Measurements Date: 06-24-2026 Time: 09:02:25 Project: LCLS Magnet Type: Quad Magnet Name: 000422 Serial Number: Run Number: 31 Measurement Device: 1DQSB26_B2 Operator: sda Comment: Integrated gradient from 0 to 3 to 0 amps. after degauss. Unipolar 5kG range, 3x using FI2056 Standardization for MAIN: 3 cycles from 0.0 A to 3.0 A to 0.0 A Test Currents for MAIN (A): 0.00 0.50 1.00 1.50 2.00 2.50 3.00 2.50 2.00 1.50 1.00 0.50 0.00 Field Harmonics Data (on the following pages) Field Harmonics Magnet Current for MAIN = 3.01 +- 0.000460 A Harmonics given at R = 0.012745 m Coil Radius, Rcoil = 0.012745 m Main Harmonic N = 2 n BLn sigBLn THspole sigTH BLn/BLN sBLn/BLN (Tm) (Tm) (deg) (deg) (%) (%) --- ------------+------------ --------+-------- -------------+------------- 1 1.7391e-04 1.1332e-07 27.55 0.03 2.62010803 0.00170731 2 6.6375e-03 2.5796e-08 44.56 0.00 100.00000000 0.00054962 3 8.6594e-06 1.0875e-07 42.95 0.30 0.13046247 0.00163848 4 1.7041e-06 1.6995e-08 -21.43 0.52 0.02567414 0.00025605 5 1.7103e-06 5.7246e-08 -33.99 0.10 0.02576682 0.00086247 6 2.3576e-05 9.8930e-09 -15.29 0.02 0.35520073 0.00014905 7 2.3096e-07 2.9242e-08 -21.55 0.72 0.00347966 0.00044057 8 5.1177e-08 2.4753e-08 19.05 2.23 0.00077104 0.00037292 9 3.4070e-07 1.9773e-08 -16.10 0.31 0.00513292 0.00029790 10 9.6942e-07 1.2885e-08 -9.44 0.15 0.01460529 0.00019413 11 6.2850e-08 2.0349e-08 8.69 2.30 0.00094690 0.00030657 12 2.7837e-08 2.0575e-08 10.36 4.05 0.00041939 0.00030998 13 4.8936e-08 3.0048e-08 12.75 2.10 0.00073727 0.00045270 14 1.1554e-07 3.1351e-08 -7.32 1.23 0.00174077 0.00047234 15 3.2952e-08 4.1813e-08 9.04 4.85 0.00049646 0.00062996 16 5.5261e-08 5.6094e-08 7.06 3.55 0.00083256 0.00084511 Magnetic Center: Xcenter = -0.00015892 +- 0.00000016 m Ycenter = -0.00029368 +- 0.00000023 m View from upstream end of magnet y ^ | N S -> x S N Field Harmonics Magnet Current for MAIN = 3.01 +- 0.000644 A Harmonics given at R = 0.012745 m Coil Radius, Rcoil = 0.012745 m Main Harmonic N = 2 n BLn sigBLn THspole sigTH BLn/BLN sBLn/BLN (Tm) (Tm) (deg) (deg) (%) (%) --- ------------+------------ --------+-------- -------------+------------- 1 1.7295e-04 9.9236e-08 27.76 0.02 2.60603170 0.00149544 2 6.6367e-03 5.8637e-08 44.56 0.00 100.00000000 0.00124950 3 8.5372e-06 2.0491e-07 42.68 0.58 0.12863533 0.00308758 4 1.7163e-06 1.6300e-08 -20.68 1.04 0.02586135 0.00024561 5 1.6274e-06 8.3321e-08 -33.76 0.19 0.02452085 0.00125545 6 2.3581e-05 1.0775e-08 -15.27 0.02 0.35530670 0.00016238 7 2.1002e-07 3.6168e-08 -20.23 1.15 0.00316458 0.00054497 8 1.8933e-08 4.3701e-08 19.82 8.14 0.00028527 0.00065847 9 3.2643e-07 3.0894e-08 -15.46 0.53 0.00491852 0.00046551 10 9.8633e-07 1.2540e-08 -9.26 0.21 0.01486172 0.00018895 11 4.4877e-08 2.3989e-08 4.76 3.34 0.00067619 0.00036146 12 1.5380e-08 4.6306e-08 -0.89 5.47 0.00023173 0.00069772 13 2.5328e-08 3.1852e-08 -9.18 8.03 0.00038163 0.00047994 14 1.5261e-07 2.9495e-08 -5.97 1.55 0.00229953 0.00044442 15 2.5907e-08 5.9119e-08 -3.59 10.02 0.00039036 0.00089079 16 5.1000e-08 8.1953e-08 -1.91 4.45 0.00076846 0.00123485 Magnetic Center: Xcenter = -0.00015915 +- 0.00000011 m Ycenter = -0.00029151 +- 0.00000021 m View from upstream end of magnet y ^ | N S -> x S N Field Harmonics Magnet Current for MAIN = 3.01 +- 0.000522 A Harmonics given at R = 0.012745 m Coil Radius, Rcoil = 0.012745 m Main Harmonic N = 2 n BLn sigBLn THspole sigTH BLn/BLN sBLn/BLN (Tm) (Tm) (deg) (deg) (%) (%) --- ------------+------------ --------+-------- -------------+------------- 1 1.7152e-04 6.6334e-08 27.99 0.03 2.58488189 0.00099969 2 6.6357e-03 1.6828e-08 44.56 0.00 100.00000000 0.00035865 3 8.5942e-06 7.6872e-08 42.79 0.21 0.12951545 0.00115846 4 1.7248e-06 1.4345e-08 -20.95 0.47 0.02599346 0.00021618 5 1.6252e-06 2.5805e-08 -33.75 0.07 0.02449178 0.00038888 6 2.3558e-05 6.8717e-09 -15.28 0.01 0.35502242 0.00010356 7 2.1550e-07 1.4235e-08 -20.76 0.47 0.00324754 0.00021453 8 3.9450e-08 2.1574e-08 19.60 3.26 0.00059452 0.00032512 9 3.3248e-07 1.5355e-08 -15.82 0.24 0.00501056 0.00023141 10 9.7758e-07 6.9361e-09 -9.37 0.10 0.01473223 0.00010453 11 4.7829e-08 8.2254e-09 7.95 1.87 0.00072078 0.00012396 12 7.4201e-09 8.6850e-09 7.90 14.19 0.00011182 0.00013088 13 3.0672e-08 2.1482e-08 -12.92 1.35 0.00046223 0.00032374 14 1.3486e-07 1.1662e-08 -6.59 0.79 0.00203233 0.00017575 15 9.2605e-09 2.9341e-08 10.20 8.15 0.00013956 0.00044217 16 1.0627e-08 2.8090e-08 3.77 12.21 0.00016016 0.00042332 Magnetic Center: Xcenter = -0.00015903 +- 0.00000017 m Ycenter = -0.00028850 +- 0.00000011 m View from upstream end of magnet y ^ | N S -> x S N