SLAC Magnetic Measurements
Date: 07-13-2011
Time: 16:20:29
 
EPU Analysis
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Data File Header:
SLAC Magnetic Measurements
Date: 07-11-2011
Time: 13:05:46
Project: LCLS
Device Type: Undulator
Data Type: 
Serial Number: A1-ANL
DATASET Number: 1
Tuning Stage: Rough Tuning
Run Number: 2
Measurement Type: Z Scans
Operator: YL
Comment: measurement; gap = 100mm
Session first run: 1
Measurement Device x: 
Measurement Device y: SENIS_463
Data File: s:\magdata\LCLS\Undulator\A1-ANL\DATASET0001\Rough Tuning\Z Scans\Run 002\bscanz.dat
Temperature (C)
Axes position (m) X:0.042678 Y:0.000124
Initial Hall Probe Zero Measurements:
Vx_0i = 0.001396 V
Vy_0i = 0.001999 V
Final Hall Probe Zero Measurements:
Vx_0f = 0.001408 V
Vy_0f = 0.001971 V
Offset Correction Voff = offset+index*increment
index = 0,1...13600
Vx:offset = 0.001396 V, increment = 8.816E-10 V
Vy:offset = 0.001999 V, increment = -1.992E-09 V
Hall Probe Calibration File:
Y: C:\CVI\current_calib\SENIS_463\SENIS_463_y.ini
X: c:\cvi\current_calib\HALLx_calib_poly_fit_file.dat
Reference Magnet Measurements:
Bx_ref = 0.0000xx (T)
By_ref = 0.0000xx (T)
Magnetic Field Measurements vs Z

Analysis Parameters:
Input file directory = S:\MagData\LCLS\Undulator\A1-ANL\DATASET0001\Rough Tuning\Z Scans\Run 002\
Input file name = x+00000_y+000_bscanz.dat
Input file type = ZVXYBXYH
Correction required = 0
Correction, Bx multiplicative factor = 1.000000 
Correction, By multiplicative factor = 1.000000 
Correction, Bx additive constant = -0.000015 T
Correction, By additive constant = -0.000010 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 = 0.033000 m
Nominal K value = 1.047000
Nominal radiation wavelength = 3.602770e-011 m
Number of undulator poles = 144
Number of end poles (used in analysis) = 4
Cell length = 4.000000 m
Nominal phase change through cell = 452.389342 rad
Nominal phase of pole after end poles = 14.137167 rad
Number of poles for entrance and exit phase error statistics = 5

Bx Peak And Zero Field Summary:
Number of Poles = 0
Number of End Poles (excluded in statistics) = 0
Peak Fields: Ave = 0.000000 T, RMS = 0.000000 T
Peak Field Spacing: Ave = 0.000000 m, RMS = 0.000000 m
Zero Field Spacing: Ave = 0.000000 m, RMS = 0.000000 m
Average Undulator Period = 0.000000 m

By Peak And Zero Field Summary:
Number of Poles = 0
Number of End Poles (excluded in statistics) = 0
Peak Fields: Ave = 0.000000 T, RMS = 0.000000 T
Peak Field Spacing: Ave = 0.000000 m, RMS = 0.000000 m
Zero Field Spacing: Ave = 0.000000 m, RMS = 0.000000 m
Average Undulator Period = 0.000000 m