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Shift 20101202

  • 1505> Pedestal file 100 pulses : ../dat/raw/lwLog_20101202_150555.dat
  • 1513> With beam to check WCM : ../dat/raw/lwLog_20101202_151314.dat
  • 1516> BPM timing set back properly : ../dat/raw/lwLog_20101202_151624.dat

  • Large beam sizes (coupling or dispersion?)

  • -3 kHz : ../dat/raw/lwLog_20101202_192615.dat
  • -2 kHz : ../dat/raw/lwLog_20101202_192720.dat
  • -1 kHz : ../dat/raw/lwLog_20101202_192752.dat
  • 0 kHz : ../dat/raw/lwLog_20101202_192828.dat
  • 1 kHz : ../dat/raw/lwLog_20101202_192855.dat
  • 2 kHz : ../dat/raw/lwLog_20101202_192944.dat
  • 3 kHz : ../dat/raw/lwLog_20101202_193036.dat

Found collisions at

chaver : 700 chahor : -230 phase : 1.87

background ~8000 signal around 13000. Laser energy ~140mJ +-5

vertical scan ../dat/raw/lwIpMoverScan_20101203_012859.dat ../dat/ana/xyavgplot_lwIpMoverScan_20101203_012859.pdf

was pretty much at maximum at 700

horizontal scan ../dat/raw/lwIpMoverScan_20101203_014350.dat ../dat/ana/xyavgplot_lwIpMoverScan_20101203_014350.pdf

phase scan ../dat/raw/lwPhaseScan_20101203_015030.dat

Didn't quite cover the full range - another phase scan with a greater range this time

phase scan ../dat/raw/lwPhaseScan_20101203_015615.dat ../dat/ana/xyavgplot_lwPhaseScan_20101203_015615.pdf

set phase to 2.5 - saturated detector

previously no attenuation - increased attenuation to 4dB

vertical scan ../dat/raw/lwIpMoverScan_20101203_020758.dat ../dat/ana/xyavgplot_lwIpMoverScan_20101203_020758.pdf with fit ../dat/ana/xyfitplot_lwIpMoverScan_20101203_020758.pdf

gw 16.61+-0.08 gn 4142.9+- 18.85 gc 683.3 +- 0.08 a0 5112.52 +-5.88

signal vs laser energy 80us ../dat/raw/lwLog_20101203_020919.dat

signal has a lot of jitter - 100 pulse log as it goes in and out of collision ../dat/raw/lwLog_20101203_021238.dat

now 500 pulse log ../dat/raw/lwLog_20101203_022027.dat

Laser Energy variation - 20pulses recorded at each point including laser energy! Remember 3dB of attenuation in to ADC
flash lamp delay - filename

80us   ../dat/raw/lwLog_20101203_022357.dat
90us   ../dat/raw/lwLog_20101203_022455.dat
100us  ../dat/raw/lwLog_20101203_022536.dat
110us  ../dat/raw/lwLog_20101203_022610.dat
120us  ../dat/raw/lwLog_20101203_022705.dat
130us  ../dat/raw/lwLog_20101203_022800.dat
140us  ../dat/raw/lwLog_20101203_022841.dat
150us  ../dat/raw/lwLog_20101203_022924.dat
160us  ../dat/raw/lwLog_20101203_023044.dat
170us  ../dat/raw/lwLog_20101203_023221.dat
180us  ../dat/raw/lwLog_20101203_023309.dat
190us  ../dat/raw/lwLog_20101203_023511.dat - redid as scale on energy meter was wrong
200us  ../dat/raw/lwLog_20101203_023439.dat
1500us ../dat/raw/lwLog_20101203_023700.dat - 100 pulses

Quad Scan

QD18X Scan

31.214A ../dat/raw/lwIpMoverScan_20101203_030624.dat
        ../dat/ana/xyfitplot_lwIpMoverScan_20101203_030624.pdf
        sigma 16.3, centre 686.3

31.414A ../dat/raw/lwIpMoverScan_20101203_031510.dat
        ../dat/ana/xyfitplot_lwIpMoverScan_20101203_031510.pdf
        sigma 19.1, centre 647.6

31.614A ../dat/raw/lwIpMoverScan_20101203_032613.dat
        ../dat/ana/xyfitplot_lwIpMoverScan_20101203_032613.pdf
        sigma 16.6, centre 630.3

31.814A ../dat/raw/lwIpMoverScan_20101203_033815.dat
        ../dat/ana/xyfitplot_lwIpMoverScan_20101203_033815.pdf
        sigma 20.4, centre 592

31.814A ../dat/raw/lwIpMoverScan_20101203_034629.dat
        ../dat/ana/xyfitplot_lwIpMoverScan_20101203_034629.pdf
        sigma 15.1, centre 594.9

31.014A ../dat/raw/lwIpMoverScan_20101203_035100.dat
        ../dat/ana/xyfitplot_lwIpMoverScan_20101203_035100.pdf
        sigma 16.4, centre 645.1

32.014A ../dat/raw/lwIpMoverScan_20101203_035530.dat
        ../dat/ana/xyfitplot_lwIpMoverScan_20101203_035530.pdf
        sigma 20.8, centre 620.6

32.214A ../dat/raw/lwIpMoverScan_20101203_041223.dat
        ../dat/ana/xyfitplot_lwIpMoverScan_20101203_041223.pdf
        sigma 19.9, centre 52.9

33.214A ../dat/raw/lwIpMoverScan_20101203_043910.dat
        ../dat/ana/xyfitplot_lwIpMoverScan_20101203_043910.pdf
        sigma 19.2, centre 402.1

Dispersion Measurement using Glen's software
eta x  = 14.8  +- 0.415mm
eta x' = -2.61 +- 0.311mrad
eta y  = 1.31  +- 0.105mm
eta y' = 1.4   +- 0.0419mrad

Horizontal Scan - Longer Range
../dat/raw/lwIpMoverScan_20101203_051017.dat
../dat/ana/xyfitplot_lwIpMoverScan_20101203_051017.pdf

Set horizontal to -14.2 from above fit to horizontal scan.

Vertical Scan Again
../dat/raw/lwIpMoverScan_20101203_053144.dat
../dat/ana/xyfitplot_lwIpMoverScan_20101203_053144.pdf

Signal keep going missing and fluctuates a lot.  Hard to understand why.  

Waist Scan
-600 um ../data/raw/lwIpMoverScan_20101203_ 
-400 um ../data/raw/lwIpMoverScan_20101203_060607.dat
        ../data/ana/xyfitplot_lwIpMoverScan_20101203_060707.dat
-300 um ../data/ana/lwIpMoverScan_20101203_


Chamber Horizontal - filename of vertical size -14

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Topic revision: r7 - 09 Jan 2011 - LaurieNevay

 
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