Calibrating Lateral-Effect Photodiodes for Use as Measuring Devices in Manufacturing

Abstract

Lateral-effect photodiodes can be used as precision imaging sensors if their nonlinearity, as well as any distortion introduced by an optical system, is accounted for by a calibration procedure. Accuracies of 1 part in 1000, measured with respect to the field of view, are possible using commercially available sensors, camera bodies, and closed-circuit television lenses. Sensors that fall into this class of accuracy can be used to sense position in various industrial applications. An advantage over traditional, scanned sensors is the potential for rapid measurement rates.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1990
Accession Number
ADA228675

Entities

People

  • Mark A. Ward

Organizations

  • University of North Carolina at Chapel Hill

Tags

Communities of Interest

  • Advanced Electronics
  • Materials and Manufacturing Processes
  • Sensors

DTIC Thesaurus Topics

  • Accuracy
  • Automated Guided Vehicles
  • Cameras
  • Charge Coupled Devices
  • Computer Science
  • Detection
  • Detectors
  • Engineering
  • Image Processing
  • Light Sources
  • Linear Arrays
  • Measurement
  • Optical Detectors
  • Remote Sensing
  • Semiconductors
  • Three Dimensional
  • Two Dimensional

Readers

  • Aerospace Test and Evaluation
  • Groundwater Contamination Remediation.
  • Image Processing and Computer Vision.

Technology Areas

  • Directed Energy