SLAC Magnetic Measurements Date: 11-15-2006 Time: 10:26:25 Measurement File Header Information: Project: LCLS Serial Number: L143-112000-17 Run Number: 42 Operator: YL Comment: Mu-shield correction test. Mu-shield OFF. 3 scans, Analysis Parameters: Input file directory = C:\magdata\Lcls\Undulator\L143-112000-17\RMA0001\Rough Tuning\Z Scans\Run 042\ Input file name = bscanz_dat.002 Input file type = SLAC_BXBYVSZ Electron gamma = 26690.650000 Electron energy = 13.640411 Gev Undulator period = 0.030000 m Desired K value = 3.499557 Number of undulator poles = 226 Number of end poles (used in analysis) = 5 Cell length = 3.656000 m Peak Field Summary: Number of Poles = 226 Number of End Poles (excluded in statistics) = 5 Peak Fields: Ave = 1.278093 T, RMS = 0.003359 T Peak Field Spacing: Ave = 0.015011 m, RMS = 0.000095 m Overall Field Integrals: Int Bx dz = -6.2634e-005 Tm Int Int Bx dz dz = -1.1571e-004 Tm^2 Int By dz = -1.5389e-005 Tm Int Int By dz dz = -1.6893e-005 Tm^2 Trajectory Exit Information: X at exit = -3.7131e-007 m X slope at exit = -3.3826e-007 Y at exit = 2.5434e-006 m Y slope at exit = 1.3767e-006 Calculated Undulator Parameters: Keff = 3.501972 Beff = 1.250175 T Lambda_rad = 1.501684e-010 m Phase Data: Phase Error: Ave = -0.000000 deg, RMS = 2.654296 deg Phase Matching Data: Cell Length = 3.656000 m Number Of End Poles = 5 Phase Change Into Undulator = 1023.954 deg, mod_360 = 303.954 deg Phase Change Through Undulator = 38698.344 deg, mod_360 = 178.344 deg Phase Change Out Of Undulator = 1022.941 deg, mod_360 = 302.941 deg Phase Change Of Cell = 40745.239 deg, mod_360 = 65.239 deg Phases At The Poles: Phase = 0 at cell boundary. Pole Num Z Position Phase Phase Ph mod 360 (m) (deg) num 360 (deg) -------- ----------- ----------- ------- ----------- 1 -1.688732 238.240 0 238.240 2 -1.672728 283.005 0 283.005 3 -1.657640 470.586 1 110.586 4 -1.642582 661.574 1 301.574 5 -1.627544 851.944 2 131.944 6 -1.612541 1023.954 2 303.954 7 -1.597542 1203.053 3 123.053 8 -1.582530 1387.157 3 307.157 9 -1.567527 1568.569 4 128.569 10 -1.552563 1744.389 4 304.389 11 -1.537539 1927.279 5 127.279 12 -1.522487 2107.763 5 307.763 13 -1.507488 2287.987 6 127.987 14 -1.492460 2468.513 6 308.513 15 -1.477442 2650.187 7 130.187 16 -1.462490 2826.415 7 306.415 17 -1.447448 3002.673 8 122.673 18 -1.432466 3182.568 8 302.568 19 -1.417470 3363.786 9 123.786 20 -1.402497 3545.249 9 305.249 21 -1.387502 3723.142 10 123.142 22 -1.372472 3905.377 10 305.377 23 -1.357486 4084.893 11 124.893 24 -1.342480 4264.168 11 304.168 25 -1.327490 4443.801 12 123.801 26 -1.312468 4625.272 12 305.272 27 -1.297476 4801.892 13 121.892 28 -1.282449 4990.041 13 310.041 29 -1.267485 5162.911 14 122.911 30 -1.252504 5347.104 14 307.104 31 -1.237438 5526.883 15 126.883 32 -1.222400 5707.657 15 307.657 33 -1.207435 5886.891 16 126.891 34 -1.192442 6066.612 16 306.612 35 -1.177455 6248.132 17 128.132 36 -1.162441 6425.984 17 305.984 37 -1.147461 6608.824 18 128.824 38 -1.132479 6783.497 18 303.497 39 -1.117475 6969.007 19 129.007 40 -1.102486 7144.850 19 304.850 41 -1.087479 7327.068 20 127.068 42 -1.072495 7504.730 20 304.730 43 -1.057461 7686.537 21 126.537 44 -1.042471 7868.466 21 308.466 45 -1.027459 8046.100 22 126.100 46 -1.012462 8224.626 22 304.626 47 -0.997455 8405.413 23 125.413 48 -0.982459 8584.331 23 304.331 49 -0.967486 8763.382 24 123.382 50 -0.952479 8943.160 24 303.160 51 -0.937464 9128.191 25 128.191 52 -0.922469 9305.103 25 305.103 53 -0.907447 9486.143 26 126.143 54 -0.892447 9664.524 26 304.524 55 -0.877450 9844.451 27 124.451 56 -0.862445 10026.113 27 306.113 57 -0.847468 10201.778 28 121.778 58 -0.832477 10382.727 28 302.727 59 -0.817442 10564.722 29 124.722 60 -0.802433 10746.468 29 306.468 61 -0.787456 10925.861 30 125.861 62 -0.772469 11106.381 30 306.381 63 -0.757463 11286.857 31 126.857 64 -0.742487 11465.051 31 305.051 65 -0.727467 11647.309 32 127.309 66 -0.712462 11826.240 32 306.240 67 -0.697448 12010.616 33 130.616 68 -0.682466 12188.528 33 308.528 69 -0.667467 12366.268 34 126.268 70 -0.652461 12546.672 34 306.672 71 -0.637457 12725.057 35 125.057 72 -0.622439 12909.995 35 309.995 73 -0.607443 13084.062 36 124.062 74 -0.592420 13273.500 36 313.500 75 -0.577458 13444.902 37 124.902 76 -0.562456 13631.033 37 311.033 77 -0.547449 13806.808 38 126.808 78 -0.532443 13992.114 38 312.114 79 -0.517439 14164.148 39 124.148 80 -0.502450 14350.722 39 310.722 81 -0.487475 14522.250 40 122.250 82 -0.472518 14707.692 40 307.692 83 -0.457541 14885.066 41 125.066 84 -0.442536 15069.898 41 309.898 85 -0.427534 15244.615 42 124.615 86 -0.412525 15427.973 42 307.973 87 -0.397538 15606.820 43 126.820 88 -0.382508 15784.131 43 304.131 89 -0.367506 15966.139 44 126.139 90 -0.352506 16148.333 44 308.333 91 -0.337515 16329.082 45 129.082 92 -0.322522 16509.343 45 309.343 93 -0.307490 16683.251 46 123.251 94 -0.292497 16865.292 46 305.292 95 -0.277501 17045.902 47 125.902 96 -0.262494 17230.358 47 310.358 97 -0.247537 17403.358 48 123.358 98 -0.232503 17589.839 48 309.839 99 -0.217455 17768.593 49 128.593 100 -0.202484 17949.129 49 309.129 101 -0.187497 18128.931 50 128.931 102 -0.172513 18305.553 50 305.553 103 -0.157499 18488.348 51 128.348 104 -0.142510 18666.546 51 306.546 105 -0.127509 18849.234 52 129.234 106 -0.112507 19024.415 52 304.415 107 -0.097493 19210.021 53 130.021 108 -0.082504 19383.522 53 303.522 109 -0.067502 19569.893 54 129.893 110 -0.052494 19747.624 54 307.624 111 -0.037479 19932.841 55 132.841 112 -0.022467 20109.614 55 309.614 113 -0.007472 20290.037 56 130.037 114 0.007543 20471.355 56 311.355 115 0.022518 20646.536 57 126.536 116 0.037491 20829.898 57 309.898 117 0.052479 21004.946 58 124.946 118 0.067456 21184.929 58 304.929 119 0.082449 21365.165 59 125.165 120 0.097525 21548.100 59 308.100 121 0.112507 21727.151 60 127.151 122 0.127488 21906.046 60 306.046 123 0.142485 22086.534 61 126.534 124 0.157508 22268.377 61 308.377 125 0.172492 22445.222 62 125.222 126 0.187483 22625.900 62 305.900 127 0.202500 22806.803 63 126.803 128 0.217506 22987.382 63 307.382 129 0.232531 23169.212 64 129.212 130 0.247513 23345.413 64 305.413 131 0.262488 23525.864 65 125.864 132 0.277475 23704.694 65 304.694 133 0.292456 23886.119 66 126.119 134 0.307493 24068.054 66 308.054 135 0.322545 24245.845 67 125.845 136 0.337514 24428.315 67 308.315 137 0.352468 24603.071 68 123.071 138 0.367467 24790.568 68 310.568 139 0.382482 24961.973 69 121.973 140 0.397495 25149.968 69 309.968 141 0.412475 25323.373 70 123.373 142 0.427513 25508.752 70 308.752 143 0.442516 25685.550 71 125.550 144 0.457523 25868.025 71 308.025 145 0.472492 26046.824 72 126.824 146 0.487469 26224.099 72 304.099 147 0.502479 26407.182 73 127.182 148 0.517482 26582.957 73 302.957 149 0.532445 26767.224 74 127.224 150 0.547438 26943.119 74 303.119 151 0.562443 27126.386 75 126.386 152 0.577465 27305.302 75 305.302 153 0.592463 27487.501 76 127.501 154 0.607438 27663.811 76 303.811 155 0.622476 27846.864 77 126.864 156 0.637491 28029.262 77 309.262 157 0.652488 28206.516 78 126.516 158 0.667486 28387.888 78 307.888 159 0.682478 28568.428 79 128.428 160 0.697469 28747.049 79 307.049 161 0.712466 28931.637 80 131.637 162 0.727429 29105.449 80 305.449 163 0.742474 29291.890 81 131.890 164 0.757479 29470.645 81 310.645 165 0.772454 29648.187 82 128.187 166 0.787458 29830.271 82 310.271 167 0.802476 30009.379 83 129.379 168 0.817455 30186.193 83 306.193 169 0.832452 30371.008 84 131.008 170 0.847448 30545.654 84 305.654 171 0.862456 30728.012 85 128.012 172 0.877465 30908.061 85 308.061 173 0.892439 31086.809 86 126.809 174 0.907449 31268.557 86 308.557 175 0.922462 31447.902 87 127.902 176 0.937458 31624.766 87 304.766 177 0.952455 31809.632 88 129.632 178 0.967459 31984.241 88 304.241 179 0.982490 32170.997 89 130.997 180 0.997515 32346.717 89 306.717 181 1.012470 32529.037 90 129.037 182 1.027442 32700.882 90 300.882 183 1.042441 32888.727 91 128.727 184 1.057440 33062.419 91 302.419 185 1.072464 33247.863 92 127.863 186 1.087498 33426.912 92 306.912 187 1.102469 33609.033 93 129.033 188 1.117486 33787.249 93 307.249 189 1.132473 33967.764 94 127.764 190 1.147498 34148.596 94 308.596 191 1.162465 34327.981 95 127.981 192 1.177439 34504.193 95 304.193 193 1.192473 34685.968 96 125.968 194 1.207483 34866.724 96 306.724 195 1.222479 35047.076 97 127.076 196 1.237498 35226.642 97 306.642 197 1.252495 35405.970 98 125.970 198 1.267485 35587.391 98 307.391 199 1.282505 35764.691 99 124.691 200 1.297487 35947.005 99 307.005 201 1.312479 36124.807 100 124.807 202 1.327477 36305.834 100 305.834 203 1.342489 36483.901 101 123.901 204 1.357501 36667.767 101 307.767 205 1.372469 36840.950 102 120.950 206 1.387489 37023.845 102 303.845 207 1.402511 37204.580 103 124.580 208 1.417513 37380.482 103 300.482 209 1.432501 37564.470 104 124.470 210 1.447510 37743.488 104 303.488 211 1.462479 37920.455 105 120.455 212 1.477436 38099.247 105 299.247 213 1.492492 38281.162 106 121.162 214 1.507506 38461.407 106 301.407 215 1.522538 38640.851 107 120.851 216 1.537533 38824.920 107 304.920 217 1.552502 38999.983 108 119.983 218 1.567480 39182.421 108 302.421 219 1.582502 39362.746 109 122.746 220 1.597519 39545.231 109 305.231 221 1.612500 39722.298 110 122.298 222 1.627512 39906.051 110 306.051 223 1.642510 40077.161 111 117.161 224 1.657622 40288.495 111 328.495 225 1.672684 40456.341 112 136.341 226 1.688642 40504.328 112 184.328