(1) FM Sweep
 (2) AFP Flip first spectrum
0-order fit
linear fit
optimized
0-order fit
linear fit
polarization loss
0-order fit
linear fit
field drift
0-order fit
linear fit

FM Sweep

AFP Flip, extract EPR frequency with single-value fit, error bar included

First EPR spectrum




Typical EPR spectrum



Polarization Loss during EPR



Field drift during EPR measurement




AFP Flip, extract EPR frequency with linear fit, error bar not good

First EPR spectrum




Typical EPR spectrum



Polarization Loss during EPR



Field drift during EPR measurement


Note:
Ouch is a 25 cm 3He target. During the very first tests of polarized 3He target lab (1998), it was found be able to reach very high polarization.