Liquid Crystal Tunable Filters
The VariSpec family provides the ability to effortlessly tune to any wavelength in the VIS or NIR range. Acting like high-quality interference filters, the light transmission is electronically controlled for rapid, vibrationless changes. VariSpec is rugged, compact and has no moving parts.
The VariSpec’s wavelength selection, large apertures and excellent image quality make it suitable to a wide variety of applications including agriculture, biomed, chemical imaging, forensics and artwork.
VariSpec is the leader in tunable filter technology. Thousands of filters have been shipped over the past decade. The filters feature a plug’n’play USB interface and include a free software developer’s kit (SDK) that includes support for Windows DLLs, LabVIEW and Matlab.
Complete turn-key solutions are also available including cameras, optics and acquisition software.
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Features and Benefits
- Excellent image quality
- Continuous tunability over hundreds of nanometers
- Fast, random access wavelength selection
- Solid state construction, no moving parts
- Compact design with USB interface
Applications
- Agricultural monitoring and research
- Biomedical research
- Non-destructive QA/QC
- Chemical spectroscopy
- Document forensics
- Artwork imaging
Support Literature
- NIR relay optic lens
- Color-corrected objective lens
- CSIspec acquisition software
- Reflectance calibration target
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