active mirror


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active mirror

[′ak·tiv ′mir·ər]
(optics)
A mirror whose position and shape are continually adjusted in response to changing environmental conditions in order to obtain optimum performance.
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The scope of the contract is the design, manufacture, test, and delivery of: M1 vertical focussing active mirror and mechanics, M2 horizontal focussing active mirror and mechanics, Vacuum vessel, Support system to mount on DLS End station granite, Mechanical and electrical interface to beamline services.
The telescope's primary active mirror will be 42 m in diameter and will comprise 984 hexagonal mirror segments, all of which must be in strict alignment continuously, even in windy conditions.
This goal of the new device is to help save lives on the battlefield through secure optical communication using an active mirror enabling the rapid identification of friendly soldiers, vehicles, or aircraft.
The active mirror area is deformed by thirty-two electrostatic actuators and has a fully-integrated controller and user-friendly interface.
This new device could save lives on the battlefield through secure optical communication using an active mirror enabling the rapid identification of friendly soldiers, vehicles, or aircraft.
The active mirror area is deformed by thirty-two actuators and can reach frame rates up to 1000 Hz with a fully- integrated controller and user-friendly interface.
This is made possible by a new Active Mirror Control system which incorporates a hook on the backside of the main mirror.