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AdV-DET (Commissioning)
gouaty, eisenmann - 21:22 Tuesday 20 March 2018 (40835) Print this report
Measurement of photodiodes and quadrants offsets

Today we measured the residual offsets of the DC signals of the longitudinal and quadrant photodiodes. The measured errors on the offsets are reported below. Offsets in the configuration files have been updated accordingly.

SDB2_B1p_QD1:
H: 0.0074
Sum: -0.0017
V: -0.00187

SDB2_B1p_QD2:
H: 0.000025
Sum: 0.00019
V: 0.00268

SDB2_B5_QD1:
H: 0.0167
Sum: 0.00714
V: 0.095

SDB2_B5_QD2:
H: -0.00518
Sum: -0.00746
V: -0.538

SIB2_B2_QD1:
H: negligible
Sum: -0.00043
V: -0.000223

SIB2_B2_QD2:
H: negligible
Sum: 0.00059
V: -0.00034

SIB2_RFC_QD1:
H: 0.00412
Sum: -0.00386
V: 0.00438

SIB2_RFC_QD2:
H: 0.00188
Sum: -0.00257
V: 0.0027

SPRB_B4_QD1:
H: 0.00938
V: -0.000103
Sum:  -0.00052

SPRB_B4_QD2:
H: 0.0423
V: -0.0330
Sum: -0.0004

SNEB_B7_QD1:
H 0.0060
V -0.010655
Sum: negligible

SNEB_B7_QD2:
H: -0.000416
V: -0.003745
Sum: negligible

SWEB_B8_QD1
H -0.019834
V -0.07972

SWEB_B8_QD2
H -0.015735
V: negligible
Sum: negligible

B1_PD1_DC: -0.0583
B1pP_PD1_DC: 0.00137
B1p_PD1 DC: -0.00498
B1p_PD2 DC: -0.000915
B1_PD2_DC: 36.3e-3
B5_PD1_DC: -0.00648
B1s1_PD1_DC: 0.0408
B1s1P_PD1_DC: 0.0169
B1s2_PD1_DC: -0.222
B1s2P_PD1_DC: -0.0667
B2_PD1_DC: 0.00643
B2_PD2_DC: 0.00015
B7_PD1 DC: 0.000195
B7 PD2 DC: 0.00244
B8 PD1 DC: 0.000155
B8 PD2 DC: 0.00092
B4 PD1 DC: -0.00003
B4 PD2 DC: 0.00012

 

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