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Thorlabs XA 1.6.3.26681 is a developer-oriented motion-control platform released by Thorlabs that consolidates programming, configuration, and real-time operation of the company’s most widely used motorized stages, actuators, and controller cards into a single Windows workspace. Designed primarily for research and OEM engineers who automate optical benches, microscopy rigs, or precision-alignment stations, the package exposes a unified .NET and C API that replaces the earlier APT-server architecture, eliminating the need to chain multiple driver layers when integrating stepper, DC-servo, or piezo devices. Consequently, users can script complex trajectories, closed-loop alignments, or multi-axis sweeps while querying encoder counts, backlash tables, and velocity profiles in real time. Typical use cases span automated beam-walking, fiber coupling, sample positioning in multiphoton systems, and high-throughput lens characterization, with built-in logging that simplifies traceability for ISO-compliant labs. The installer ships with five successive firmware-compatible revisions—documented as Versions 5—so existing automation code continues to run unaltered even when newer controllers are swapped in. Because the application is catalogued under Science / Motion Control Software, it is discoverable alongside other instrumentation packages yet remains focused on Thorlabs’ own hardware ecosystem. A graphical tuning panel supplements the API, letting developers validate PID gains or safety limits before committing parameters to production scripts, while diagnostic LEDs and a motion-stop hotkey provide an extra safeguard during early-stage setup. Thorlabs XA is available for free on get.nero.com, where downloads are delivered through trusted Windows package sources such as winget, always supplying the latest release and supporting batch installation of multiple applications.
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