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Uniform light source enables imaging device PRNU comparison

Integrating sphere light sources provide a uniform and variable light output making them useful as calibration light source standards for PRNU Photo-Response Non-Uniformity comparison of imaging systems and sensors.


The new model integrating sphere source ISS-8P-HP features uniformity equal to or better than 98% within 90% of its output port featuring a fast H-M-L High Medium Low setting of intensity level using interchangeable attenuators. This quick three setting adjustment of light level is highly desirable in production comparison applications.


The ISS-8P-HP is built around an 8cm diameter integrating sphere made from a highly diffuse reflective and stable synthetic ODM98 coating with a 19 mm diameter light output port.


The light source design offers selectable 10 to 100 W QH lamps and features three manually interchangeable neutral density filters with OD0, OD1 and OD2 optical densities corresponding to 100%, 10% and 1% light throughput for fast H-M-L adjustment of light output.  


More information is available here.



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