SLAC Magnetic Measurements Date: 04-06-2026 Time: 13:02:59 Project: LCLS-II-HE Device Type: Undulator Data Type: Serial Number: HE_SXU_008 DATASET Number: 1 Tuning Stage: Tuning Run Number: 6 Measurement Type: Long Coil Scans Operator: JB Comment: All vs Gap; after Round 1 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 --------------------------------------------------------------------------------------------------------------------------------------- I1Y_VS_X -0.000E-03 -4.117E-06 -58.807E-06 7.20000 0.00720 4404709 0.00720 4402722 0.00720 4404710 0.00720 4402726 I1Y_VS_X -0.000E-03 -4.005E-06 -57.202E-06 7.20000 0.00720 4404715 0.00720 4402735 0.00720 4404716 0.00720 4402737 I1Y_VS_X -0.000E-03 -3.724E-06 -53.192E-06 7.20000 0.00720 4404718 0.00720 4402744 0.00720 4404718 0.00720 4402745 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 --------------------------------------------------------------------------------------------------------------------------------------- I2Y_VS_X -0.000E-03 -2.306E-06 -118.823E-06 7.20000 0.00720 4404719 0.00720 4402750 0.00720 4404720 0.00720 4402751 I2Y_VS_X -0.000E-03 -2.595E-06 -133.729E-06 7.20000 0.00720 4404721 0.00720 4402753 0.00720 4404721 0.00720 4402753 I2Y_VS_X -0.000E-03 -2.163E-06 -111.463E-06 7.20000 0.00720 4404721 0.00720 4402756 0.00720 4404722 0.00720 4402756 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 2.064E-06 29.485E-06 7.20000 0.00720 4404723 0.00720 4402758 0.00720 4404723 0.00720 4402759 I1X_VS_X 0.000E-03 2.391E-06 34.149E-06 7.20000 0.00720 4404724 0.00720 4402761 0.00720 4404724 0.00720 4402762 I1X_VS_X 0.000E-03 2.325E-06 33.204E-06 7.20000 0.00720 4404725 0.00720 4402763 0.00720 4404725 0.00720 4402764 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 --------------------------------------------------------------------------------------------------------------------------------------- I2X_VS_X 0.000E-03 1.577E-06 81.264E-06 7.20000 0.00720 4404726 0.00720 4402765 0.00720 4404726 0.00720 4402766 I2X_VS_X 0.000E-03 1.617E-06 83.318E-06 7.20000 0.00720 4404726 0.00720 4402767 0.00720 4404727 0.00720 4402767 I2X_VS_X 0.000E-03 1.351E-06 69.635E-06 7.20000 0.00720 4404727 0.00720 4402768 0.00720 4404727 0.00720 4402768 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 --------------------------------------------------------------------------------------------------------------------------------------- I1Y_VS_X -0.000E-03 -2.197E-06 -31.386E-06 9.00000 0.00900 4368698 0.00900 4366707 0.00900 4368697 0.00900 4366706 I1Y_VS_X -0.000E-03 -1.983E-06 -28.323E-06 9.00000 0.00900 4368696 0.00900 4366704 0.00900 4368695 0.00900 4366703 I1Y_VS_X -0.000E-03 -2.248E-06 -32.103E-06 9.00000 0.00900 4368695 0.00900 4366703 0.00900 4368696 0.00900 4366702 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 --------------------------------------------------------------------------------------------------------------------------------------- I2Y_VS_X -0.000E-03 -1.666E-06 -85.841E-06 9.00000 0.00900 4368695 0.00900 4366702 0.00900 4368695 0.00900 4366701 I2Y_VS_X -0.000E-03 -1.591E-06 -81.966E-06 9.00000 0.00900 4368695 0.00900 4366701 0.00900 4368695 0.00900 4366701 I2Y_VS_X -0.000E-03 -1.667E-06 -85.907E-06 9.00000 0.00900 4368695 0.00900 4366701 0.00900 4368694 0.00900 4366702 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 1.476E-06 21.085E-06 9.00000 0.00900 4368694 0.00900 4366701 0.00900 4368694 0.00900 4366701 I1X_VS_X 0.000E-03 1.094E-06 15.629E-06 9.00000 0.00900 4368694 0.00900 4366701 0.00900 4368695 0.00900 4366701 I1X_VS_X 0.000E-03 1.322E-06 18.887E-06 9.00000 0.00900 4368694 0.00900 4366701 0.00900 4368694 0.00900 4366701 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 --------------------------------------------------------------------------------------------------------------------------------------- I2X_VS_X 0.000E-03 1.406E-06 72.460E-06 9.00000 0.00900 4368694 0.00900 4366701 0.00900 4368694 0.00900 4366701 I2X_VS_X 0.000E-03 1.099E-06 56.614E-06 9.00000 0.00900 4368695 0.00900 4366700 0.00900 4368694 0.00900 4366701 I2X_VS_X 0.000E-03 1.265E-06 65.210E-06 9.00000 0.00900 4368694 0.00900 4366701 0.00900 4368694 0.00900 4366701 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 --------------------------------------------------------------------------------------------------------------------------------------- I1Y_VS_X -0.000E-03 -1.364E-06 -19.486E-06 11.00000 0.01100 4328699 0.01100 4326709 0.01100 4328698 0.01100 4326707 I1Y_VS_X -0.000E-03 -1.176E-06 -16.792E-06 11.00000 0.01100 4328696 0.01100 4326707 0.01100 4328697 0.01100 4326706 I1Y_VS_X -0.000E-03 -1.432E-06 -20.456E-06 11.00000 0.01100 4328696 0.01100 4326705 0.01100 4328696 0.01100 4326705 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 --------------------------------------------------------------------------------------------------------------------------------------- I2Y_VS_X -0.000E-03 -1.307E-06 -67.362E-06 11.00000 0.01100 4328696 0.01100 4326705 0.01100 4328696 0.01100 4326705 I2Y_VS_X -0.000E-03 -1.223E-06 -63.040E-06 11.00000 0.01100 4328696 0.01100 4326705 0.01100 4328696 0.01100 4326705 I2Y_VS_X -0.000E-03 -1.399E-06 -72.084E-06 11.00000 0.01100 4328696 0.01100 4326705 0.01100 4328696 0.01100 4326705 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 1.201E-06 17.155E-06 11.00000 0.01100 4328695 0.01100 4326705 0.01100 4328696 0.01100 4326705 I1X_VS_X 0.000E-03 1.296E-06 18.515E-06 11.00000 0.01100 4328696 0.01100 4326704 0.01100 4328695 0.01100 4326705 I1X_VS_X 0.000E-03 1.092E-06 15.593E-06 11.00000 0.01100 4328696 0.01100 4326704 0.01100 4328695 0.01100 4326704 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 --------------------------------------------------------------------------------------------------------------------------------------- I2X_VS_X 0.000E-03 1.373E-06 70.746E-06 11.00000 0.01100 4328695 0.01100 4326705 0.01100 4328695 0.01100 4326704 I2X_VS_X 0.000E-03 1.009E-06 52.016E-06 11.00000 0.01100 4328695 0.01100 4326704 0.01100 4328695 0.01100 4326704 I2X_VS_X 0.000E-03 1.130E-06 58.231E-06 11.00000 0.01100 4328695 0.01100 4326704 0.01100 4328695 0.01100 4326704 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 --------------------------------------------------------------------------------------------------------------------------------------- I1Y_VS_X -0.000E-03 -0.176E-06 -2.516E-06 13.00000 0.01300 4288698 0.01300 4286709 0.01300 4288697 0.01300 4286707 I1Y_VS_X -0.000E-03 -0.184E-06 -2.634E-06 13.00000 0.01300 4288696 0.01300 4286705 0.01300 4288696 0.01300 4286705 I1Y_VS_X -0.000E-03 -0.254E-06 -3.629E-06 13.00000 0.01300 4288695 0.01300 4286705 0.01300 4288695 0.01300 4286703 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 --------------------------------------------------------------------------------------------------------------------------------------- I2Y_VS_X -0.000E-03 -0.934E-06 -48.121E-06 13.00000 0.01300 4288694 0.01300 4286705 0.01300 4288694 0.01300 4286704 I2Y_VS_X -0.000E-03 -1.015E-06 -52.300E-06 13.00000 0.01300 4288694 0.01300 4286704 0.01300 4288694 0.01300 4286703 I2Y_VS_X -0.000E-03 -1.378E-06 -71.005E-06 13.00000 0.01300 4288694 0.01300 4286704 0.01300 4288694 0.01300 4286704 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 1.206E-06 17.218E-06 13.00000 0.01300 4288694 0.01300 4286704 0.01300 4288694 0.01300 4286704 I1X_VS_X 0.000E-03 1.223E-06 17.468E-06 13.00000 0.01300 4288694 0.01300 4286703 0.01300 4288693 0.01300 4286703 I1X_VS_X 0.000E-03 1.167E-06 16.668E-06 13.00000 0.01300 4288693 0.01300 4286703 0.01300 4288693 0.01300 4286704 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 --------------------------------------------------------------------------------------------------------------------------------------- I2X_VS_X 0.000E-03 0.964E-06 49.701E-06 13.00000 0.01300 4288693 0.01300 4286704 0.01300 4288693 0.01300 4286703 I2X_VS_X 0.000E-03 1.146E-06 59.037E-06 13.00000 0.01300 4288693 0.01300 4286703 0.01300 4288693 0.01300 4286703 I2X_VS_X 0.000E-03 0.837E-06 43.140E-06 13.00000 0.01300 4288693 0.01300 4286703 0.01300 4288693 0.01300 4286703 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 --------------------------------------------------------------------------------------------------------------------------------------- I1Y_VS_X -0.000E-03 0.777E-06 11.099E-06 17.00000 0.01700 4208696 0.01700 4206708 0.01700 4208694 0.01700 4206705 I1Y_VS_X -0.000E-03 0.682E-06 9.740E-06 17.00000 0.01700 4208690 0.01700 4206700 0.01700 4208690 0.01700 4206701 I1Y_VS_X -0.000E-03 0.381E-06 5.446E-06 17.00000 0.01700 4208689 0.01700 4206699 0.01700 4208688 0.01700 4206699 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 --------------------------------------------------------------------------------------------------------------------------------------- I2Y_VS_X -0.000E-03 -0.665E-06 -34.250E-06 17.00000 0.01700 4208687 0.01700 4206698 0.01700 4208687 0.01700 4206698 I2Y_VS_X -0.000E-03 -0.523E-06 -26.950E-06 17.00000 0.01700 4208687 0.01700 4206697 0.01700 4208687 0.01700 4206697 I2Y_VS_X -0.000E-03 -0.408E-06 -21.041E-06 17.00000 0.01700 4208685 0.01700 4206697 0.01700 4208686 0.01700 4206696 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 1.700E-06 24.275E-06 17.00000 0.01700 4208685 0.01700 4206696 0.01700 4208685 0.01700 4206696 I1X_VS_X 0.000E-03 1.666E-06 23.798E-06 17.00000 0.01700 4208685 0.01700 4206695 0.01700 4208685 0.01700 4206695 I1X_VS_X 0.000E-03 1.681E-06 24.013E-06 17.00000 0.01700 4208685 0.01700 4206695 0.01700 4208685 0.01700 4206695 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 --------------------------------------------------------------------------------------------------------------------------------------- I2X_VS_X 0.000E-03 0.750E-06 38.674E-06 17.00000 0.01700 4208685 0.01700 4206694 0.01700 4208685 0.01700 4206695 I2X_VS_X 0.000E-03 0.928E-06 47.822E-06 17.00000 0.01700 4208685 0.01700 4206694 0.01700 4208684 0.01700 4206694 I2X_VS_X 0.000E-03 0.763E-06 39.295E-06 17.00000 0.01700 4208685 0.01700 4206694 0.01700 4208684 0.01700 4206695 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 --------------------------------------------------------------------------------------------------------------------------------------- I1Y_VS_X -0.000E-03 1.149E-06 16.413E-06 25.00000 0.02500 4048700 0.02500 4046711 0.02500 4048700 0.02500 4046711 I1Y_VS_X -0.000E-03 1.159E-06 16.547E-06 25.00000 0.02500 4048699 0.02500 4046710 0.02500 4048699 0.02500 4046709 I1Y_VS_X -0.000E-03 1.125E-06 16.068E-06 25.00000 0.02500 4048698 0.02500 4046709 0.02500 4048698 0.02500 4046709 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 --------------------------------------------------------------------------------------------------------------------------------------- I2Y_VS_X -0.000E-03 -0.024E-06 -1.219E-06 25.00000 0.02500 4048698 0.02500 4046709 0.02500 4048699 0.02500 4046708 I2Y_VS_X -0.000E-03 -0.076E-06 -3.893E-06 25.00000 0.02500 4048698 0.02500 4046709 0.02500 4048698 0.02500 4046709 I2Y_VS_X -0.000E-03 -0.110E-06 -5.652E-06 25.00000 0.02500 4048698 0.02500 4046709 0.02500 4048697 0.02500 4046709 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 3.263E-06 46.608E-06 25.00000 0.02500 4048698 0.02500 4046708 0.02500 4048698 0.02500 4046709 I1X_VS_X 0.000E-03 3.277E-06 46.810E-06 25.00000 0.02500 4048698 0.02500 4046708 0.02500 4048697 0.02500 4046709 I1X_VS_X 0.000E-03 3.176E-06 45.367E-06 25.00000 0.02500 4048697 0.02500 4046707 0.02500 4048697 0.02500 4046707 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 --------------------------------------------------------------------------------------------------------------------------------------- I2X_VS_X 0.000E-03 1.470E-06 75.769E-06 25.00000 0.02500 4048696 0.02500 4046708 0.02500 4048697 0.02500 4046708 I2X_VS_X 0.000E-03 1.063E-06 54.773E-06 25.00000 0.02500 4048697 0.02500 4046708 0.02500 4048697 0.02500 4046708 I2X_VS_X 0.000E-03 1.028E-06 52.999E-06 25.00000 0.02500 4048697 0.02500 4046708 0.02500 4048697 0.02500 4046707 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 --------------------------------------------------------------------------------------------------------------------------------------- I1Y_VS_X -0.000E-03 1.457E-06 20.813E-06 33.00000 0.03300 3888701 0.03300 3886711 0.03300 3888701 0.03300 3886708 I1Y_VS_X -0.000E-03 1.203E-06 17.188E-06 33.00000 0.03300 3888699 0.03300 3886709 0.03300 3888699 0.03300 3886709 I1Y_VS_X -0.000E-03 1.144E-06 16.337E-06 33.00000 0.03300 3888699 0.03300 3886708 0.03300 3888699 0.03300 3886707 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 --------------------------------------------------------------------------------------------------------------------------------------- I2Y_VS_X -0.000E-03 0.058E-06 3.012E-06 33.00000 0.03300 3888698 0.03300 3886707 0.03300 3888698 0.03300 3886708 I2Y_VS_X -0.000E-03 0.100E-06 5.148E-06 33.00000 0.03300 3888698 0.03300 3886707 0.03300 3888698 0.03300 3886707 I2Y_VS_X -0.000E-03 -0.010E-06 -0.495E-06 33.00000 0.03300 3888698 0.03300 3886707 0.03300 3888698 0.03300 3886707 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 4.296E-06 61.355E-06 33.00000 0.03300 3888698 0.03300 3886706 0.03300 3888698 0.03300 3886706 I1X_VS_X 0.000E-03 4.528E-06 64.671E-06 33.00000 0.03300 3888697 0.03300 3886707 0.03300 3888698 0.03300 3886707