SLAC Magnetic Measurements Date: 04-08-2026 Time: 10:12:08 Project: LCLS-II-HE Device Type: Undulator Data Type: Serial Number: HE_SXU_008 DATASET Number: 1 Tuning Stage: Tuning Run Number: 14 Measurement Type: Long Coil Scans Operator: JB Comment: All vs Gap; before final Type Position Raw value Integral Nominal Actual Pre-measurement Gap Actual Post-measurement Gap m Volt*sec T*m | T*m^2 Gap US - mm US Raw DS - mm DS Raw US - mm US Raw DS - mm DS Raw --------------------------------------------------------------------------------------------------------------------------------------- I1X_VS_X -0.000E-03 -0.010E-06 -0.146E-06 7.20000 0.00720 4404711 0.00720 4402862 0.00720 4404713 0.00720 4402864 I1X_VS_X -0.000E-03 0.544E-06 7.777E-06 7.20000 0.00720 4404716 0.00720 4402870 0.00720 4404717 0.00720 4402871 I1X_VS_X -0.000E-03 0.639E-06 9.123E-06 7.20000 0.00720 4404719 0.00720 4402875 0.00720 4404719 0.00720 4402876 Type Position Raw value Integral Nominal Actual Pre-measurement Gap Actual Post-measurement Gap m Volt*sec T*m | T*m^2 Gap US - mm US Raw DS - mm DS Raw US - mm US Raw DS - mm DS Raw --------------------------------------------------------------------------------------------------------------------------------------- I1X_VS_X -0.000E-03 -0.368E-06 -5.261E-06 9.00000 0.00900 4368699 0.00900 4366845 0.00900 4368698 0.00900 4366844 I1X_VS_X -0.000E-03 -0.148E-06 -2.109E-06 9.00000 0.00900 4368697 0.00900 4366842 0.00900 4368697 0.00900 4366842 I1X_VS_X -0.000E-03 -0.270E-06 -3.852E-06 9.00000 0.00900 4368696 0.00900 4366841 0.00900 4368696 0.00900 4366840 Type Position Raw value Integral Nominal Actual Pre-measurement Gap Actual Post-measurement Gap m Volt*sec T*m | T*m^2 Gap US - mm US Raw DS - mm DS Raw US - mm US Raw DS - mm DS Raw --------------------------------------------------------------------------------------------------------------------------------------- I1X_VS_X -0.000E-03 -0.661E-06 -9.448E-06 11.00000 0.01100 4328700 0.01100 4326845 0.01100 4328698 0.01100 4326845 I1X_VS_X -0.000E-03 -0.698E-06 -9.964E-06 11.00000 0.01100 4328697 0.01100 4326843 0.01100 4328698 0.01100 4326843 I1X_VS_X -0.000E-03 -0.537E-06 -7.670E-06 11.00000 0.01100 4328697 0.01100 4326842 0.01100 4328697 0.01100 4326842 Type Position Raw value Integral Nominal Actual Pre-measurement Gap Actual Post-measurement Gap m Volt*sec T*m | T*m^2 Gap US - mm US Raw DS - mm DS Raw US - mm US Raw DS - mm DS Raw --------------------------------------------------------------------------------------------------------------------------------------- I1X_VS_X -0.000E-03 -0.523E-06 -7.473E-06 13.00000 0.01300 4288699 0.01300 4286846 0.01300 4288699 0.01300 4286845 I1X_VS_X -0.000E-03 -0.470E-06 -6.711E-06 13.00000 0.01300 4288697 0.01300 4286843 0.01300 4288697 0.01300 4286843 I1X_VS_X -0.000E-03 -0.838E-06 -11.967E-06 13.00000 0.01300 4288696 0.01300 4286842 0.01300 4288696 0.01300 4286843 Type Position Raw value Integral Nominal Actual Pre-measurement Gap Actual Post-measurement Gap m Volt*sec T*m | T*m^2 Gap US - mm US Raw DS - mm DS Raw US - mm US Raw DS - mm DS Raw --------------------------------------------------------------------------------------------------------------------------------------- I1X_VS_X -0.000E-03 -1.045E-06 -14.924E-06 17.00000 0.01700 4208696 0.01700 4206846 0.01700 4208694 0.01700 4206845 I1X_VS_X -0.000E-03 -0.983E-06 -14.033E-06 17.00000 0.01700 4208689 0.01700 4206841 0.01700 4208689 0.01700 4206841 I1X_VS_X -0.000E-03 -0.915E-06 -13.062E-06 17.00000 0.01700 4208687 0.01700 4206838 0.01700 4208687 0.01700 4206838 Type Position Raw value Integral Nominal Actual Pre-measurement Gap Actual Post-measurement Gap m Volt*sec T*m | T*m^2 Gap US - mm US Raw DS - mm DS Raw US - mm US Raw DS - mm DS Raw --------------------------------------------------------------------------------------------------------------------------------------- I1X_VS_X -0.000E-03 -1.770E-06 -25.286E-06 25.00000 0.02500 4048700 0.02500 4046847 0.02500 4048700 0.02500 4046846 I1X_VS_X -0.000E-03 -1.833E-06 -26.181E-06 25.00000 0.02500 4048699 0.02500 4046845 0.02500 4048699 0.02500 4046845 I1X_VS_X -0.000E-03 -1.625E-06 -23.210E-06 25.00000 0.02500 4048698 0.02500 4046844 0.02500 4048698 0.02500 4046844 Type Position Raw value Integral Nominal Actual Pre-measurement Gap Actual Post-measurement Gap m Volt*sec T*m | T*m^2 Gap US - mm US Raw DS - mm DS Raw US - mm US Raw DS - mm DS Raw --------------------------------------------------------------------------------------------------------------------------------------- I1X_VS_X -0.000E-03 -2.329E-06 -33.259E-06 33.00000 0.03300 3888700 0.03300 3886846 0.03300 3888700 0.03300 3886846 I1X_VS_X -0.000E-03 -2.462E-06 -35.168E-06 33.00000 0.03300 3888698 0.03300 3886845 0.03300 3888698 0.03300 3886844