Metric · Photonics, MEMS & Sensors
Read noise
The electron-equivalent noise added by the sensor's own readout chain, independent of signal level. It sets the floor of usable sensitivity in low light.
- Also known as
- Readout noise
- Type
- Metric
- Domain
- Photonics, MEMS & Sensors, Image sensors
Notes
Sub-electron read noise is the threshold at which individual photons become countable.
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