LIGO Document T1000164-v4
- Magnet holders and flags for the OSEMs had been designed according to a calculation in Mathematica by Mark Barton to put the working position of the magnet at the position of maximum force and minimum cross coupling to displacement of the OSEM. This report describes the calculation and measurements made to check it.
- -v4: Updated calculation to eliminate obsolete forms of Mathematica field theory functions. Fixed invalid values of coupling parameter spotted by Norna, which were caused by a misbehaving numerical derivative function.
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