dark current

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Introduction

Noise in optical detectors introduced by photomultiplier tubes. Measured in electrons/second. Originates from thermal emissions from the photosensor,i.e. leakage current from dynodes of the photomultiplier tube.

References

  1. Webster's Ninth New Collegiate Dictionary, Miriam-Webster Inc. Springfield, MA 1990 Microarrays for the Neurosciences, Geschwind DH & Greg JP (eds), MIT Press, Cambridge MA, 2002