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User name xfzhu
Log entry time 01:14:30 on June11,2001
Entry number 62865
keyword=NMR polarization
12:00
beam is off
turn off 3 transverse lasers
move to pickup coil position
rotate holding field back to 0 degree
perform NMR imediately after lasers were off: r=7.85 P=41.15%
( the calibration constant used above is 5.24%/mV, which should be used when 3 lasers are on , with Oven temperature at 170 degree. )
Another calibration constant is 5.79%/mV without lasers on and with the oven temperature at 165 degree, probably 20 minutes after lasers are off .
The actual calibation constant for the above NMR measurement should be between the above 2 constants.