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High-Speed Focuser

Photonics.com
Jul 2016
Nutfield TechnologyRequest Info
 
NUTFIELD, N.H., July 11, 2016 — High-Speed FocuserNutfield Technology Inc. has announced the BLINK High-Speed Focuser with patent-pending, ultra-stiff air bearing design results in a friction-free bearing.

The device offers servo bandwidths in excess of 500 Hz with 13-mm clear aperture and stroke. When used as the focusing element of a post-objective scanning system, BLINK dynamically maps a focal correction onto the laser beam as a function of its XY position, allowing high-speed processing of large planar samples with very small spot sizes.

BLINK also supports the processing of 3D samples with a design that combines an air bearing guideway with direct voice-coil drive, resulting in a compact, high-performance focuser. It is capable of continuous operation with a 50-G peak sine wave. An ultra-low moving mass minimizes reaction forces.


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