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Light-addressable potentiometric sensor

A light-addressable potentiometric sensor (LAPS) is a sensor that uses light (e.g. LEDs) to select what will be measured. Light can activate carriers in semiconductors.

An example is the pH-sensitive LAPS that uses LEDs in combination with (semiconducting) silicon and pH-sensitive Ta2O5.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Light-addressable_potentiometric_sensor". A list of authors is available in Wikipedia.
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