Position-sensitive detectors (PSDs)

PSDs are optoelectronic position sensors that utilize photodiode surface resistance. Unlike discrete element detectors such as CCDs, PSDs provide continuous position data, high position resolution, and high-speed response.

One-dimensional PSDs have a long, narrow photosensitive area and detect positions in a longitudinal direction. Suitable for use in displacement meters and other high precision distance measurement applications, such as optical switches.

This PSD performs 2-dimensional position detection. It has excellent position detection characteristics with fast response and low dark current.

Easy-to-use PSD modules integrate our PSDs with a current-to-voltage conversion circuit.

Driver circuit boards for PSD evaluation.

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