An arrangement for the remote actuation of a controlled device, {HEAD ~ e.g. a hydraulic valve}, in {TAIL ~ situations} with stringent safety requirements, uses optical power 
An arrangement for the remote actuation of a controlled device , { HEAD ~ e.g. a hydraulic valve } , in { TAIL ~ situations } with stringent safety requirements , uses optical power
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH