Optical Spectrum AnalyzersThe software package for Thorlabs' Optical Spectrum Analyzers (OSA) includes a GUI and instrument drivers. Support for Compact CCD Spectrometers is available via the CCS installer. The following downloads are available: - Software: Software, Drivers, and Utility files for the OSA20xC and Redstone OSA305 instruments. Choose this tab if you are installing new software or upgrading from earlier versions of Thorlabs' OSA software (v2.90 and earlier).
- Libraries: A package that installs the necessary drivers for controlling the OSA20xC and Redstone OSA305 instruments through LabVIEW™. Please unzip and read the ReadMe.pdf file first.
- Archive: Previous versions of the OSA software and LabVIEW™ drivers, including versions compatible with Windows® XP, Windows® Vista, and Windows® 7.
Installer for OSA20xC and Redstone OSA305 | | |
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Description | This is a full installer for our control software for our OSA20xC and Redstone OSA305 instruments. It includes a "virtual device" mode ideal for evaluating the software. To include support for CCD spectrometers, please download the CCS installer. |  | Version | 3.25 | Filesize | 324 MB | Download |  | Change Log |  | Additional | Please note: The 'Minimum System Requirements' listed below are sufficient for operating the software with a virtual device for evaluation purposes. The 'Recommended System Requirements' are strongly suggested for actual measurements. | System Requirements | Minimum:
Windows® 7 SP1, 8, 10, or 11 (64 Bit) USB 3.0 Port Monitor Resolution: 800 x 600 Intel Core i5 or AMD Athlon II 8 GB RAM
Recommended:
Windows 11 (64 Bit) Intel Core i9 or AMD Ryzen 16 GB RAM | Additional Software | .NET framework 4.7.2 or higher and Java Runtime 1.6 or higher are both required. An installer for .NET framework 4.7.2 is included in the full installer. |
OSA LabVIEW Drivers | | |
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Description | The installer below contains the necessary drivers for controlling the OSA20xC and Redstone OSA305 instruments through LabVIEW™. | | Version | 1.0.0.14 | Filesize | 19.2 MB | Download |  | System Requirements | LabVIEW 2010 or Higher |
Version 3.20 | | |
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Description | This is a full installer for our control software for our Redstone OSA. It includes a "virtual device" mode ideal for evaluating the software. |  | Version | 3.20 | Filesize | 332 MB | Download |  | Additional | Please note: The 'Minimum System Requirements' listed below are sufficient for operating the software with a virtual device for evaluation purposes. The 'Recommended System Requirements' are strongly suggested for actual measurements. | System Requirements | Minimum:
Windows® 7 SP1, 8, or 10 (64 Bit) USB 3.0 Port Monitor Resolution: 800 x 600 Intel Core i5 or AMD Athlon II 8 GB RAM
Recommended:
Windows 10 (64 Bit) Intel Core i9 or AMD Ryzen 16 GB RAM | Additional Software | .NET framework 4.5 or higher and Java Runtime 1.6 or higher are both required. An installer for .NET framework 4.5 is included in the full installer. |
Redstone Version 3.10 | | |
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Description | This is a full installer for our control software for our Redstone OSA. It includes a "virtual device" mode ideal for evaluating the software. | | Version | 3.10 | Filesize | 310 MB | Download |  | Additional | Please note: The 'Minimum System Requirements' listed below are sufficient for operating the software with a virtual device for evaluation purposes. The 'Recommended System Requirements' are strongly suggested for actual measurements. | System Requirements | Minimum:
Windows® Vista, 7, 8, or 10 (64 Bit) USB 3.0 Port Monitor Resolution: 800 x 600 Intel Core i5 or AMD Athlon II 8 GB RAM
Recommended:
Windows 10 (64 Bit) Intel Core i9 or AMD Athlon Ryzen 16 GB RAM | Additional Software | .NET framework 4.7.2 or higher is required. An installer for .NET framework 4.7.2 is included. |
Redstone Version 3.05 | | |
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Description | This is a full installer for our control software for our Redstone OSA. It includes a "virtual device" mode ideal for evaluating the software. | | Version | 3.05 | Filesize | 312 MB | Download |  | Additional | Please note: The 'Minimum System Requirements' listed below are sufficient for operating the software with a virtual device for evaluation purposes. The 'Recommended System Requirements' are strongly suggested for actual measurements. | System Requirements | Minimum:
Windows® Vista, 7, 8, or 10 (64 Bit) USB 3.0 Port Monitor Resolution: 800 x 600 Intel Core i5 or AMD Athlon II 8 GB RAM
Recommended:
Windows 10 (64 Bit) Intel Core i9 or AMD Athlon Ryzen 16 GB RAM | Additional Software | .NET framework 4.7.2 or higher is required. An installer for .NET framework 4.7.2 is included. |
OSA Version 2.90 | | |
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Description | This is a full installer for our control software for our OSA and CCD spectrometers. It includes a "virtual device" mode ideal for evaluating the software. | | Version | 2.90 | Filesize | 438 MB | Download |  | Contents |  | Additional | Please note: The 'Minimum System Requirements' listed below are sufficient for operating the software with a virtual device for evaluation purposes. The 'Recommended System Requirements' are strongly suggested for actual measurements. | System Requirements | Minimum:
Windows® Vista, 7, 8, or 10 (32 or 64 Bit) USB 2.0 Port Monitor Resolution: 800 x 600 Intel Pentium 4 or AMD 64 3000+ 2.0 GB RAM
Recommended:
Windows 7, 8, or 10 (64 Bit) Intel Core i5 or AMD Athlon II 6.0 GB RAM | Additional Software | .NET framework 4.5 or higher and Java Runtime 1.6 or higher are both required. An installer for .NET framework 4.5 is included in the full installer. |
OSA Version 2.85 | | |
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Description | This is a full installer for our control software for our OSA and CCD spectrometers. It includes a "virtual device" mode ideal for evaluating the software. |  | Version | 2.85 | Filesize | 438 MB | Download |  | Change Log |  | Additional | Please note: The 'Minimum System Requirements' listed below are sufficient for operating the software with a virtual device for evaluation purposes. The 'Recommended System Requirements' are strongly suggested for actual measurements. | System Requirements | Minimum:
Windows® Vista, 7, 8, or 10 (32 or 64 Bit) USB 2.0 Port Monitor Resolution: 800 x 600 Intel Pentium 4 or AMD 64 3000+ 2.0 GB RAM
Recommended:
Windows 7, 8, or 10 (64 Bit) Intel Core i5 or AMD Athlon II 6.0 GB RAM | Additional Software | .NET framework 4.5 or higher and Java Runtime 1.6 or higher are both required. An installer for .NET framework 4.5 is included in the full installer. |
Version 2.85 LabVIEW Drivers | | |
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Description | OSA20xC (Only) LabVIEW Drivers for use with OSA software v2.90 or earlier.
The installer below contains the necessary drivers for controlling the OSA20xC instruments through LabVIEW™ when the version of the installed software is v2.90 or earlier. | | Version | 2.85.6780.4971 | Filesize | 12.2 MB | Download |  | System Requirements | LabVIEW 2010 or Higher |
OSA Version 1.8 - for Windows® XP | | |
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Description | This software includes a GUI for control of the OSA, as well as a "virtual device" mode for evaluating the software prior to purchase. This software package is not compatible with our CCD spectrometers; contact techsupport@thorlabs.com for XP-compatible software. |  | Version | 1.8 | Filesize | 320 MB | Download |  | Additional | Please note: The 'Minimum System Requirements' listed below are sufficient for operating the software with a virtual device for evaluation purposes. The 'Recommended System Requirements' are strongly suggested for actual measurements. | System Requirements | Minimum:
Windows® XP or Newer (32 or 64 Bit) USB 2.0 Port Monitor Resolution: 800 x 600 Intel Pentium 4 or AMD 64 3000+ 2.0 GB RAM
Recommended:
Windows 7 (64 Bit) Intel Core i5 or AMD Athlon II 6.0 GB RAM
| Additional Software | .NET framework 3.5 or higher and Java Runtime 1.6 or higher are both required. | |