Auto-focus stage offers long travel and ultra-fine movements

Available exclusively in the UK from Heason Technology, Nanomotion's motorised Z-Axis Auto-Focus Stage offers high-speed performance for both long-travel and nanometre to micron range incremental moves. As such, the unit is suitable for vertical positioning and focussing in automated microscope and imaging applications.

The compact stage is easily adapted to standard or custom microscope mechanics and is available with a wide range of matching servo drives and motion controls. The Z Axis Auto-Focus Stage assembly combines Nanomotion's innovative standing wave, inverse piezoelectric ceramic motor technology and a high-resolution encoder in a miniature but robust translation stage housing with integral precision bearings and a spring counterbalance. The zero backlash, direct-drive stage features a travel range to 25mm, selectable standard resolution from 10nm to 100nm (with 1nm optional), a wide dynamic speed range (up to 250mm/s) and static loading to 400g.

Nanomotion's ceramic servo motor technology suits the demands of high-speed move-and-settle positioning required by microscope focussing applications, providing a typical focussing move of 1-10um in under 5ms, settling within 100nm. Ultra-fast settling times and the inherent ability to lock the stage's position at rest and under power-off conditions ensure excellent levels of optical stability with minimal thermal drift.

Typical applications for the Z Axis Auto-Focus Stage include managing the demanding high speeds, accelerations and positioning reversals in cell terrain imaging, semiconductor and biomedical microscopy, and on-the-fly focussing. The stage may also be used in a horizontal orientation for step-and-repeat imaging.

Heason Technology Ltd

Motion Solutions Centre
Spring Copse Business Park
RH13 0SZ

+44 (0)1403 792300

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