photosensor

[ foh-tuh-sen-ser, -sawr ]

noun

1. a photocell used to detect light.

Word History and Origins

Origin of photosensor¹

First recorded in 1960–65; photo- + sensor

Example Sentences

First, the photosensor array is currently only 10 × 10 pixels, with roughly 200-µm gaps between the pixels; this means that the light-detecting region is only about 2 mm wide.

From Nature

High-throughput fabrication methods must be developed in the future to produce larger photosensor arrays, at drastically reduced cost.

From Nature

Dr Wood’s artificial eyes are pyramid-shaped and have a photosensor on each face.

From Economist

But don’t worry about leaving the light on — an accelerometer ensures the light only flashes when you’re riding, and a photosensor only turns Blink Steady on when it’s dark enough.

From Time

Called DeepCore, the infill consists of eight photosensor strings grouped closely together in the deepest, clearest ice in the IceCube array.

From Scientific American