SLAC Magnetic Measurements
Date: 02-25-2010
Time: 12:35:24
 
Planar Insertion Device Analysis
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Data File Header:
SLAC Magnetic Measurements
Date: 02-25-2010
Time: 12:29:51
 
PPM Undulator Simulation
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Simulation Parameters:
Output file directory = C:\Magdata\Echo7 U20 Sim\Pole8 cant+1mrad\x0\
Number of block divisions in x = 20
Number of block divisions in y = 20
Number of block divisions in z = 5
Undulator gap = 0.007340 m
Undulator period = 0.020000 m
Number of peroids in undulator center = 10
Remnant field in blocks = 1.200000 T
Width of blocks in x = 0.025000 m
Width of blocks in y = 0.019761 m
Width of blocks in z = 0.004850 m
Space between blocks in z = 0.000150 m
End magnet 1 z width = 0.001400 m
End space 1-2 z width = 0.001335 m
End magnet 2 z width = 0.002425 m
End space 2-3 z width = 0.001335 m
End magnet 3 z width = 0.003825 m
Simulated By and Bx vs z:
x = 0.000000 m
y = 0.000000 m
     Z           By           Bx     
    (m)          (T)          (T)    
-----------  -----------  -----------

Analysis Parameters:
Input file directory = C:\Magdata\Echo7 U20 Sim\Pole8 cant+1mrad\x0\
Input file name = ppm_und_sim.dat
Input file type = ZBXYH
Correction required = 0
Correction, Bx multiplicative factor = 1.000000 
Correction, By multiplicative factor = 1.000000 
Correction, Bx additive constant = 0.000007 T
Correction, By additive constant = -0.000002 T
Correction Bxy additive file = none
Correction Bxy additive file type = CORR_ZBXY
Electron gamma = 233.317455
Electron energy = 0.119225 Gev
Nominal undulator period = 0.020000 m
Nominal K value = 1.801600
Nominal radiation wavelength = 4.818193e-007 m
Number of undulator poles = 24
Number of end poles (used in analysis) = 3
Cell length = 0.170000 m
Nominal phase change through cell = 53.407075 rad
Nominal phase of pole after end poles = 0.000000 rad
Save as final result = 0
Result file directory = c:\magdata\slac_und_2\
Result file name = zscan_xn0060yp0002.dat
Figures close on exit = 0
Figures visible = 1

Peak And Zero Field Summary:
Number of Poles = 24
Number of End Poles (excluded in statistics) = 3
Peak Fields: Ave = 0.656135 T, RMS = 0.001211 T
Peak Field Spacing: Ave = 0.009999 m, RMS = 0.000003 m
Zero Field Spacing: Ave = 0.010001 m, RMS = 0.000005 m
Average Undulator Period = 0.019997 m

Hall Probe Overall Field Integrals:
Int Bx dz =   0.0000e+000 Tm
Int Int Bx dz dz =   0.0000e+000 Tm^2
Int By dz =   1.1412e-007 Tm
Int Int By dz dz =   2.3418e-006 Tm^2

Trajectory Exit Information:
X at exit =   5.8885e-006 m
X slope at exit =   2.8696e-007
Y at exit =  -0.0000e+000 m
Y slope at exit =  -0.0000e+000

Calculated Undulator Parameters:
Keff = 1.226858
Beff = 0.657065 T
Lambda_rad = 3.219005e-007 m

Phase Fluctuations:
Slippage vs Z At Peaks Fitted Slope =   1.60974e-005
Undulator Period = 0.019997 m
Radiation Wavelength =   3.21901e-007 m
Phase Error (From Slippage vs Z Fit Residuals):
  Ave = 0.000000 deg, RMS = 0.690961 deg

Phase Relative To Nominal Radiation Wave:
Nominal Radiation Wavelength =   4.81819e-007 m
Cell Length = 0.170000 m
Number Of End Poles = 3
Entrance:
  Phase Error Of First 10 Poles After The End Poles
  Ave = -267.871614 deg, RMS = 180.768164 deg
Center:
  Phase Error Of All Poles In Undulator Center:
  Ave = -506.826219 deg, RMS = 318.859677 deg
Exit:
  Phase Error To Cell Boundary Of Last 10 Poles Before The End Poles
  Ave = -267.872635 deg, RMS = 180.768153 deg
Cell:
  Phase Change Of Cell =    2046.347 deg
  Nominal Phase Change Of Cell =    3060.000 deg
  Phase Error Of Cell =   -1013.653 deg