The integrating sphere is used as a uniform light source in the visible and near-infrared. It is applied in the calibration of the radiant response of camera systems and focal plane array sensors. It is also used to measure the spectral transmittance of lens systems.
Specifications of the Integrating Sphere
Sphere diameter |
1 m |
Exit Port Diameter |
400 mm |
Lamps |
14 X 150 W Quartz Tungsten Halogen with individual precision current controllers
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Luminance |
Approx 1000 cd/m^2 per lamp |
Calibration |
Automatic calibration of each lamp to correct colour temperature using spectroradiometer in closed loop |
Traceability |
Via spectroradiometer to SA National Metrology Institute over spectral range 300 nm to 1000 nm |
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