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Linear Focus Actuator

Photonics.com
Mar 2015
Equipment Solutions Inc.Request Info
 
SUNNYVALE, Calif., March 10, 2015 — Equipment Solutions LFA-2010For optical applications requiring both high precision and high speed positioning over a short to medium stroke, Equipment Solutions Inc. provides the LFA-2010 linear focus actuator.

This compact motion control positioner has a 10-mm range of motion with <50 nm positioning repeatability, and a small step response of time of <3 ms. Its high-force, low-noise voice coil motor is typically configured with an analog position feedback sensor and can be optionally equipped with a 1-μm-resolution digital quadrature feedback element.

A tubular architecture allows the 20-mm clear optical path to go directly through the middle of the motor. Both a standard C-mount or an optional 12.7-mm-diameter lens socket are available.

The actuator is suited for optical focusing and other micropositioning applications such as scanning interferometry, surface structure analysis, disk drive testing, autofocus systems, confocal microscopy, biotechnology and semiconductor test equipment.


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