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Photosensitivity
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Geliefert zwischen Mi., 28.01.2026 und Do., 29.01.2026
Details
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Certain electronic devices, such as photodiodes and charge-coupled devices, are designed to be sensitive to light. They are constructed to take advantage of the photoelectric effect, the emission of electrons from matter upon the absorption of electromagnetic radiation. When light (one form of electromagnetic radiation) impinges on the active surface of such a device, electrical current flowing through or electrical charge stored in the device will increase or decrease in proportion to the intensity and wavelength of the light, although there is an upper limit to the amount of electrons released vs the increased intensity of the light, this comes out of quantum mechanics. This trait allows the device to perform regulating and sensing functions of many kinds. For example, a photoresistor circuit may sense ambient light to turn on a street lamp at dusk. Digital cameras use charge-coupled devices whose extreme sensitivity to light allows them to convert incoming photons into varying electrical charges with great accuracy.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786131034589
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Genre Technik
- Anzahl Seiten 100
- Größe H220mm x B220mm
- EAN 9786131034589
- Format Fachbuch
- Titel Photosensitivity
- Herausgeber Betascript Publishing
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