Optical Spectrum Analyzers

The 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:

  1. 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).
  2. 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.
  3. 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  
DescriptionThis 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.
Version3.20
Filesize332 MB
Download
Change Log
AdditionalPlease 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 RequirementsMinimum:

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.
OSA LabVIEW Drivers (OSA20xC Only)  
DescriptionThe installer below contains the necessary drivers for controlling the OSA20xC and Redstone OSA305 instruments through LabVIEW™. 
Version1.0.0.12
Filesize19.2 MB
Download
System RequirementsLabVIEW 2010 or Higher

Redstone Version 3.10

Redstone Version 3.10  
DescriptionThis is a full installer for our control software for our Redstone OSA. It includes a "virtual device" mode ideal for evaluating the software. 
Version3.10
Filesize310 MB
Download
AdditionalPlease 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 RequirementsMinimum:

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

Redstone Version 3.05  
DescriptionThis is a full installer for our control software for our Redstone OSA. It includes a "virtual device" mode ideal for evaluating the software. 
Version3.05
Filesize312 MB
Download
AdditionalPlease 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 RequirementsMinimum:

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

OSA Version 2.90  
DescriptionThis 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. 
Version2.90
Filesize438 MB
Download
Contents
AdditionalPlease 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 RequirementsMinimum:

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

OSA Version 2.85  
DescriptionThis 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.
Version2.85
Filesize438 MB
Download
Change Log
AdditionalPlease 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 RequirementsMinimum:

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

Version 2.85 LabVIEW Drivers  
DescriptionOSA20xC (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. 
Version2.85.6780.4971
Filesize12.2 MB
Download
System RequirementsLabVIEW 2010 or Higher

OSA Version 2.80

OSA Version 2.80  
DescriptionThis 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.
Version2.80
Filesize409 MB
Download
Change Log
AdditionalPlease 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 RequirementsMinimum:

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 1.8 - for Windows® XP

OSA Version 1.8 - for Windows® XP  
DescriptionThis 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.
Version1.8
Filesize320 MB
Download
AdditionalPlease 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 RequirementsMinimum:

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.