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dark current

British  

noun

  1. the residual current produced by a photoelectric device when not illuminated

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“We entered the flow of the river together, its deep, dark current known to us, and its assurance, and we gave ourselves to ablution.”

From Washington Post

This occurs because the photonic collection area of each resonator is much larger than its electrical area, thus substantially reducing the dark current of the device13.

From Nature

However, owing to thermally induced dark current, room-temperature operation is still a great challenge for semiconductor photodetectors targeting the wavelength band between 8 and 12 micrometres2, and all relevant applications, such as imaging, environmental remote sensing and laser-based free-space communication3,4,5, have been realized at low temperatures.

From Nature

Youngblood, N., Chen, C., Koester, S. J. & Li, M. Waveguide-integrated black phosphorus photodetector with high responsivity and low dark current.

From Nature

There’s a dark current of guilt running through this book that makes me terribly sad for Levy and that may terrify readers who have the temerity to wish for both exciting lives and stable families.

From Slate