Dark Current Measurements Using the PVIV-10A Amplifier

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Dark Current Measurements Using the PVIV-10A Amplifier

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It has been discovered that the 10A system will not produce accurate dark current measurements when certain recipes are used. More specifically, this issue occurs when the PVIV-10A-I-AMP and Dark Current boxes are both checked. The source of this predicament has been identified as an electrical circuit anomaly related to the shutter control. The shutter is unable to be disabled to perform a measurement which would properly yield a dark current measurement. This perplexity is specific to the PVIV10A model. The purpose of this technical note is to describe a procedure for taking dark current measurement successfully using the PVIV-10A system.

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