UV, IR, and SWIR Machine Vision Lights
Use UV, IR, or SWIR lighting when visible wavelengths do not produce enough contrast. The correct choice depends on how the material absorbs, transmits, reflects, or fluoresces at the target wavelength, so sample testing is useful before selection.
Suitable uses
- UV fluorescence and contamination checks
- IR contrast on inks, plastics, and coatings
- SWIR inspection of selected semiconductor and packaging materials
- Material differentiation
Likely to fail when
- The camera sensor is not sensitive at the wavelength
- Optics or windows block the wavelength
- The material response has not been compared with real samples
Selection inputs
- Target wavelength
- Camera spectral response
- Lens/filter transmission
- Power and heat
- Safety and enclosure requirements
Frequently asked questions
When is UV, IR, and SWIR Machine Vision Lights useful?
Use UV, IR, or SWIR lighting when visible wavelengths do not produce enough contrast. The correct choice depends on how the material absorbs, transmits, reflects, or fluoresces at the target wavelength, so sample testing is useful before selection.
What information is needed to select a light?
Start with Target wavelength, Camera spectral response, Lens/filter transmission. Share target images and the inspection requirement so the arrangement can be checked on the actual application.