Duo-lateral Position Sensing Detectors

Duo-lateral Position Sensing Detectors OSI Optoelectronics
  • SW11037
OSI Optoelectronics’ super linear duo-lateral position sensing detectors (PSDs) feature state... more
Product information "Duo-lateral Position Sensing Detectors"

OSI Optoelectronics’ super linear duo-lateral position sensing detectors (PSDs) feature state of the art duo-lateral technology to provide a continuous analog output proportional to the displacement of the centroid of a light spot from the center, on the active area.

As continuous position sensors, these detectors are unparalleled, offering position accuracies of 99% over 64% of the sensing area. These accuracies are achieved by duo-lateral technology, manufacturing the detectors with two separate resistive layers, one located on the top and the other at the bottom of the chip. One- or two-dimensional position measurements can be obtained using these sensors.

A reverse bias should be applied to these detectors to achieve optimum current linearity at high light levels. The maximum recommended power density incident on the duo-lateral PSDs is 1 mW/cm2. For optimum performance, the incident beam should be perpendicular to the active area, with a spot diameter of less than 1 mm.

Key Features:

  • Duo Lateral Structure
  • One-dimensional (SL Variants) and Two-dimensional (DL, DLS Variants) Versions
  • High Speed Response
  • Super Linear
  • Ultra High Position Accuracy: Up to 99%
  • Low Capacitance
  • Low Dark Current
  • Wide Dynamic Range
  • High Reliability
  • Metal or Ceramic Package

Applications: Pulse Detectors; Optical Communications; Bar Code Readers; Optical Remote Control; Medical Equipment; High-speed Photometry; Beam Alignment; Position Sensing; Angle Measurement; Surface Profiling; Height Measurements; Targeting; Guidance Systems; Motion Analysis

Product Group: Duo-lateral Position Sensing Detectors
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