SLAC Magnetic Measurements
Date: 10-21-2014
Time: 18:44:39
 
EPU Analysis
------------

Data File Header:
SLAC Magnetic Measurements
Date: 10-21-2014
Time: 14:59:51
Hall Probe Array Analysis
*************************
Bx, By, and Bz vs z:
     Z           Bx           By           Bz     
    (m)          (T)          (T)          (T)    
-----------  -----------  -----------  -----------

Analysis Parameters:
Input file directory = V:\MET\MagServe\MagData\DELTA\Delta data\Assembled Measurements\Final Measurements Repeat\CPLMF\KR0600\
Input file name = hall2_anal_meas_field.dat
Input file type = ZBXYZH
Correction required = 0
Correction, Bx multiplicative factor = 1.000000 
Correction, By multiplicative factor = 1.000000 
Correction, Bx additive constant = -0.000025 T
Correction, By additive constant = 0.000032 T
Correction Bxy additive file = none
Correction Bxy additive file type = CORR_ZBXY
Electron gamma = 26627.100000
Electron energy = 13.606423 Gev
Nominal undulator period = 0.000000 m
Nominal K value = 0.000000
Nominal radiation wavelength = 0.000000e+00 m
Number of undulator poles = 196
Number of end poles (used in analysis) = 4
Cell length = 3.126000 m
Nominal phase change through cell = 201.061930 rad
Nominal phase of pole after end poles = -193.207948 rad
Number of poles for entrance and exit phase error statistics = 5

Bx Peak And Zero Field Summary:
Number of Poles = 197
Number of End Poles (excluded in statistics) = 4
Peak Fields: Ave = 0.520638 T, RMS = 0.007489 T
Peak Field Spacing: Ave = 0.016000 m, RMS = 0.000143 m
Zero Field Spacing: Ave = 0.015999 m, RMS = 0.000088 m
Average Undulator Period = 0.031998 m

By Peak And Zero Field Summary:
Number of Poles = 196
Number of End Poles (excluded in statistics) = 4
Peak Fields: Ave = 0.484614 T, RMS = 0.011208 T
Peak Field Spacing: Ave = 0.016000 m, RMS = 0.000139 m
Zero Field Spacing: Ave = 0.016001 m, RMS = 0.000098 m
Average Undulator Period = 0.032002 m

Bx Field Harmonics:
In the undulator center, over an integer number of periods, expand Bx as
Bx(z) = a0 + Sum{ an cos(n 2 pi z / lambda_u) + bn sin(n 2 pi z / lambda_u) }
   n         an        bn   
            (T)       (T)   
--------  --------  --------
   0      -0.00004
   1      -0.52308   0.00291
   2       0.00003   0.00050
   3       0.00159   0.00073
   4       0.00011   0.00001
   5       0.00164  -0.00178
   6       0.00008  -0.00002
   7      -0.00013  -0.00005
   8       0.00007   0.00002
   9       0.00021   0.00019
  10       0.00005   0.00002
  11       0.00006   0.00004
  12       0.00006   0.00002
  13       0.00005   0.00002
  14       0.00006   0.00003
  15       0.00006   0.00003
  16       0.00006   0.00003
  17       0.00006   0.00003
  18       0.00006   0.00003
  19       0.00005   0.00003
  20       0.00005   0.00004

By Field Harmonics:
In the undulator center, over an integer number of periods, expand By as
By(z) = a0 + Sum{ an cos(n 2 pi z / lambda_u) + bn sin(n 2 pi z / lambda_u) }
   n         an        bn   
            (T)       (T)   
--------  --------  --------
   0       0.00001
   1      -0.02192   0.48202
   2       0.00104  -0.00068
   3       0.00054  -0.00178
   4       0.00004  -0.00003
   5       0.00013   0.00022
   6      -0.00005   0.00003
   7       0.00006  -0.00005
   8      -0.00001   0.00001
   9       0.00010  -0.00022
  10       0.00000  -0.00000
  11      -0.00001  -0.00001
  12       0.00000   0.00000
  13      -0.00001   0.00001
  14      -0.00000  -0.00000
  15       0.00000   0.00000
  16      -0.00000  -0.00000
  17       0.00000   0.00000
  18      -0.00000   0.00000
  19      -0.00000   0.00000
  20      -0.00000   0.00000

Hall Probe Overall Field Integrals:
Int Bx dz =    3.9405e-05 Tm
Int Int Bx dz dz =   -1.6999e-04 Tm^2
Int By dz =    1.8472e-04 Tm
Int Int By dz dz =    6.3314e-05 Tm^2

Trajectory Exit Information:
X at exit =   -1.0736e-06 m
X slope at exit =    2.5725e-06
Y at exit =    3.7223e-06 m
Y slope at exit =   -8.8399e-07

Calculated Undulator Parameters:
Keff = 2.134847
Beff = 0.714491 T
Lambda_rad = 7.399197e-11 m

Phase Fluctuations:
Slippage vs Z At Peaks Fitted Slope =    2.31225e-09
Undulator Period = 0.032000 m
Radiation Wavelength =    7.39920e-11 m
Phase Error (From Slippage vs Z Fit Residuals):
  Ave = -0.000000 deg, RMS = 29.950326 deg

Phase Relative To Nominal Radiation Wave:
Nominal Radiation Wavelength =    0.00000e+00 m, (if 0, use radiation wavelength)
Cell Length = 3.126000 m
Number Of End Poles = 4
Entrance:
  Phase Error Of First 5 Poles After The End Poles
  Ave = 11639.987262 deg, RMS = 10.647126 deg
Center:
  Phase Error Of All Poles In Undulator Center:
  Ave = 11543.580366 deg, RMS = 30.970904 deg
Exit:
  Phase Error To Cell Boundary Of Last 5 Poles Before The End Poles
  Ave = 11853.641152 deg, RMS = 2.248455 deg
Cell:
  Phase Change Of Cell =   34940.765 deg
  Nominal Phase Change Of Cell =   11520.000 deg
  Phase Error Of Cell =   23420.765 deg

Spontaneous Radiation:
(Forward direction)
Single electron at fundamental:
  |Ex| = 1.194405e-11 (V/m), |Ey| = 1.247688e-11 (V/m)
  Angle_y - Angle_x = 92.052736 (deg)
Stokes Parameters:
  S0 = Ix + Iy = 2.983330e-22, S1 = Ix - Iy = -1.301224e-23 (V/m)^2
  S2 = I45 - I135 = -1.067592e-23, S3 = Ir - Il = 2.978578e-22 (V/m)^2
Polarization Rates:
  P1 = S1 / S0 = -0.043616, P2 = S2 / S0 = -0.035785
  P3 = S3 / S0 = 0.998407
Spectra:
(Ideal = calc field period using FT coeff repeated with no phase errors)
Harmonic   Energy   Ang Num Spect       Ideal        Efficiency 
   #       (keV)     (ph/sec/mrad^2/0.1%bw/0.1A)          %   
--------  --------  --------------  --------------  ------------
   1        16.756       9.374e+18       1.293e+19         72.50
   2        33.513       1.612e+16        ---            ---
   3        50.269       1.293e+16       2.817e+17          4.59
   4        67.026       8.385e+14        ---            ---
   5        83.782       4.403e+14       1.174e+17          0.38
   6       100.539       6.025e+12        ---            ---
   7       117.295       1.167e+13       1.883e+17          0.01
   8       134.052       2.044e+13        ---            ---
   9       150.808       6.162e+12       2.756e+17          0.00
  10       167.564       1.631e+12        ---            ---
  11       184.321       1.038e+12       3.694e+17          0.00
  12       201.077       2.195e+12        ---            ---
  13       217.834       2.257e+12       4.616e+17          0.00
  14       234.590       1.718e+12        ---            ---
  15       251.347       1.777e+12       5.462e+17          0.00
