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The LFA-10 Linear Focus Actuator is a high performance compact positioning system. It was specifically developed for optical applications requiring both high precision and high-speed positioning over a short to medium stroke. The LFA-10 is well suited for optical focusing and other micropositioning applications such as scanning interferometry, surface structure analysis, disk drive testing, autofocus systems, confocal microscopy, bio-technology, semiconductor test equipment. Note that this motor is normally configured with an analog position feedback sensor and can be optionally equipped with a digital quadrature feedback element. The key to this products immense success is its novel tubular architecture. This arrangement provides a means to send the optical path directly through the middle of the motor. The moving optic attached to the motors 'C-mount' is not cantilevered and so has no torques. To learn more about the performance of this actuator under different load conditions you may also want to view the LFA-10 Dynamic Response Plot. By design, the LFA-10 Linear Focus Actuator rotates approximately 0.1 degrees or 1.7 milliradians for every 1 millimeter of translation. Through manufacturing tolerances only there can be a small amount of pitch and roll motion that is induced during the intended translation. These small but real error sources are routinely characterized during the manufacturing process to control product uniformity. A typical inspection of the pitch and roll using our AC400 Digital Autocollimator can be seen through our LFA-10 Translation Induced Angular Error report. A PDF viewable LFA-10 Voice Coil Stage Specification Sheet summarizes this page and includes performance benchmarks information. Detailed user information including electrical interfaces for the LFA-10 Linear Focus Actuator can be examined by downloading our LFA-10 Users Manual. To make mechanical integration of the LFA-10 Linear Focus Actuator into your product more convenient, please feel free to download our LFA-10 Layout Drawing Set.
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