For cryogenic applications where highest precision and thermal stability are essential for successful operation, SmarAct has developed cryogenic positioning stages featuring unmatched closed-loop positioning performance with resolutions below 0.5 nm and bidirectional repeatabilities of 5 nm over a 1 mm travel range. This makes SmarAct's closed-loop cryogenic stages ideally suited, for example, in the field of fundamental research including 2D materials science or for cryogenic applications such as low-temperature quantum technologies. The high-performance stages are specifically designed to meet the most demanding requirements that world-changing technologies like quantum computing induce. The materials for SmarAct's closed-loop cryogenic positioning stages are selected to match the required thermal properties and prevent mechanical stress during cooling and heating cycles. This ensures long lifetime under cryogenic and ultra-high vacuum conditions. Fully non-magnetic versions are available for use in high magnetic fields.
For the closed-loop cryogenic actuators, SmarAct combines its stick-slip piezo drive stages with its high-performance PICOSCALE sensor heads, which are based on an all-optical Michelson interferometric design. SmarAct's closed-loop cryogenic stages are 28 mm in width and 14 mm in hight. They are available in lengths from 30 mm to 75 mm with travel ranges from 16 mm to 49 mm. To fulfill customers' individual requirements, completely customized setups are also possible.
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