20100416
Screen alignment OTR
- Optics set file 10APR16_1901.dat
- Screen position for alignment laser 9600
- Screen posttion for electron beam 9400
- beam orbit /atf/data/cbpm/raw/bpmAllLog_20100416_182345.dat
- Mirror location to find signal otr:m1x 4.15002 otr:m1y 4.35002
- Polarizer 90 deg
- Magnification factor 10.7 and pixel size 7.14 um
Background Study
Loss monitor recorded for nominal ATF2 optics with OTR screen in. See
Loss Monitor Fig 1.
- HV : 1250 V
- Signal level 2.8 volts, reduced to 1.5 volts