photodiode
- noun
- /ˈfoʊtoʊˌdaɪoʊd/
- Specialized
- When exposed to sunlight, the photodiode generates a small electric current that can be measured.
- Avalanche photodiode
- Photodiode array
- silicon photodiode
And each one of these pairs of photodiodes is used to do phase detection, focusing.
- And each one of these pairs of photodiodes is used to do phase detection, focusing.
Examples
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A photodiode array is utilized to detect the amount of light that passes through the solution being examined.
Academic text (2013) -
The light valves could be operated under a polarizing microscope, and the reflectivity monitored by a silicon photodiode.
Academic text (2000) -
The light measurement uses an exclusive photodiode.
Academic text (2005) -
And we have photodiodes all around our finger.
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And each one of these pairs of photodiodes is used to do phase detection, focusing.
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The photodiodes face the zenith direction and have a field of view of 60 degrees.
Blog text (31) -
To mitigate dust degradation, a magnetic ring has been placed around each photodiode with the aim of maximizing their operational time.
Blog text (31) -
In the online monitoring system, optical signals from each blade tip (or optical revolution sensors) are detected by a photodiode circuit.
Academic text (1996) -
Optobionics' microchip has 5,000 photodiodes, or solar cells, that are intended to stimulate the remaining healthy retinal cells and use them to process images.
Academic text (2003) -
The linear CCD scanner shown schematically in Figure 3a consists of a single row of photodiodes, which capture the photons.
Academic text (1992)
Synonyms
A device that changes sunlight into electricity
A device that senses light and makes an electric signal
A device that senses light and makes an electric signal
A small device that changes its electric signal when light falls on it
A small device that lets more electricity pass when light hits it
A device that makes a small electric signal when light hits it to detect or measure light
A part in a camera or machine that detects light and makes an electric signal
How Sensitive
- Specialized
- Specialized
Surface Forms
Morphology
Etymology
Photodiode is like a tiny electrical 'eye': photo- means 'light' (as in photograph) and diode is an electric part that makes or controls current. So a photodiode makes an electric current when light hits it, which is why it is used to detect or measure light.