Polarization controllers with tracking speeds of up to 100 krad/s on the Poincaré sphere are commercially available (see external link at the bottom).
Programmable logic controller | polarization | Polarization density | California State Controller | Sky Polarization Observatory | Polarization (waves) | Session Border Controller | Radio Network Controller | programmable logic controller | Polarization (politics) | Paddle (game controller) | paddle (game controller) | Motor controller | motor controller | Motion controller | MIDI controller | Hoist controller | Flight controller | Arkanoid Controller |