dark current

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09:54 Mar 6, 2010
English to Norwegian translations [PRO]
Science - Physics
Additional field(s): Electronics / Elect Eng
English term or phrase: dark current
Definition from Tyco Electronics Corporation:
The thermally induced current that exists in a photodiode in the absence of incident optical power.

Example sentence(s):
  • This voltage may be as low as 10 mV or as high as 50 V and the dark currents may vary from pA to μA depending upon the junction area and the process used. Dark current is always specified at a particular value of reverse applied voltage. optoelectronics.perkinelmer.com
  • The photodiode noise in is the sum of the thermal noise (or Johnson noise) ij of a resistor which approximates the shunt resistance and the shot noise isD and isL resulting from the dark current and the photocurrent. Hamamatsu Corporation
  • Dark current is dependent on temperature. While dark current may initially be low, it will increase as the device temperature increases. tpub.com
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Summary of translations provided
Leif Henriksen


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18 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5

Definition from own experience or research:
Strømmen som ledes gjennom dioden når den er i av-tilstand - altså når infallende lys ikke er tilstrekkelig til å åpne dioden.

Example sentence(s):
  • Med andre generasjons detektorer forstår vi systemer med stirrende fokalplan arrayer (FPA) bestående av fotovoltaiske todimensjonale array. Det vil si fotodiodebasert teknologi som produseres i tusentall årlig. Fordelen med denne teknologien er høy impedans som gir lav mørkestrøm(nA) og enkel utlesningselektronikk. - Sensorteknologi for fremtidig UAV  

Tilsvarend bruk på svensk (mörkerström) og dansk (mørkestrøm).
Leif Henriksen
Local time: 01:01
Native speaker of: Native in NorwegianNorwegian, Native in Norwegian (Bokmal)Norwegian (Bokmal)
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