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Thorlabs CHROLIS – Device Driver 3.1.2220.129 is a single-version hardware-support package released by Thorlabs GmbH that installs the complete low-level software interface required to link a Chrolis spectral-analysis instrument to any Windows computer. The bundle contains both the certified USB driver that negotiates physical connection through standard Type-A or Type-C ports and the HDI (Hardware Driver Interface) layer that exposes the device’s full command set to upper-level applications. Once installed, the driver enumerates the Chrolis as a recognised imaging peripheral, enabling spectroscopic acquisition software, LabVIEW VIs, MATLAB scripts, or Thorlabs’ own OSA packages to stream high-resolution wavelength data in real time without additional middleware. Typical use cases include alignment of tunable lasers, characterisation of broadband sources, monitoring of photonic integrated circuits, and quality-control testing of optical filters or fibre-Bragg gratings in research laboratories or production floors. Because the driver exposes standard Windows Imaging Architecture APIs, third-party programs can treat the Chrolis as a plug-and-play sensor, simplifying automation workflows and reducing integration effort for OEM equipment builders. The software is classified under the “System Utilities / Hardware Drivers” category and is distributed only as version 3.1.2220.129, indicating that Thorlabs consolidates every firmware-matched improvement into one cumulative release rather than maintaining parallel branches. Installation requires local administrator rights, after which the package registers its INF catalogue with the Windows driver store and optionally installs a lightweight control-panel applet for firmware updates and diagnostics. Thorlabs CHROLIS – Device Driver is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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