All Rights Reserved. Please see the source code for details. All Rights Reserved. Please see the source code for details.
Reliability comes by way of opto-switches placed at specific angles on the module.
The waveplate is driven round by a motorised, toothed gear and constantly tensioned belt, preventing any slippage of the belt as it rotates the waveplate. However, the waveplate can be moved from the epics control window . During observing this window may be used to monitor the waveplate position and to keep an eye out for faults with the system. Polarimetric Standards A list of polarized and unpolarized standards can be found here . Any enquiries should be forwarded to them.