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photodiode
This term describes a specialized electronic component used primarily in precision sensing and communication. It carries a technical, scientific connotation, typically appearing in engineering manuals, physics textbooks, or product specifications for optical hardware. It is distinct from a general photodetector in that it specifically refers to the p-n junction diode structure used for light conversion.
As a standard countable noun, it follows regular English pluralization rules. It is frequently paired with adjectives describing the wavelength of light it detects, such as infrared or ultraviolet, to specify its operational range.
Meanings
Examples
The circuit uses a photodiode to detect the presence of an infrared beam.
I need to replace the photodiode in this light sensor.
A photodiode converts incident photons into an electrical current.
A photodiode converts incident photons into an electrical current.
Is the photodiode sensitive enough to pick up low light levels?
The device failed because the photodiode was saturated by the bright light.
We should use a PIN photodiode for faster response times.
The laser pulse is captured by a high speed photodiode.
I wonder if a photodiode would be better than a photoresistor for this project.