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Updated: Jun 9, 2026

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors
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Published on: June 23, 2018

Two-dimensional amorphous-silicon photoconductor array for optical imaging.

R G Stearns, R L Weisfield

    Applied Optics
    |August 25, 2010
    PubMed
    Summary
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    A novel two-dimensional imaging device using amorphous-silicon photoconductors offers high-quality optical imaging and real-time image processing. This array is suitable for advanced optical processing and neural-network applications.

    Area of Science:

    • Materials Science
    • Electrical Engineering
    • Optical Physics

    Background:

    • Amorphous-silicon photoconductors are explored for advanced imaging applications.
    • Developing efficient two-dimensional sensor arrays is crucial for optical processing.

    Purpose of the Study:

    • To investigate a simple array of amorphous-silicon photoconductors as a two-dimensional imaging device.
    • To characterize the performance of lateral photoconductive sensors and a 128 x 128 element array.

    Main Methods:

    • Detailed characterization of lateral photoconductive sensor properties.
    • Behavioral analysis of a 128 x 128 element amorphous-silicon photoconductor array.

    Main Results:

    • The two-dimensional array demonstrates capability for high-quality optical imaging.

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  • The array achieves reasonable imaging speeds and performs real-time image processing.
  • The device shows suitability for optical processing and neural-network architectures.

    • Conclusions:

    • A 128 x 128 amorphous-silicon photoconductor array provides a viable platform for advanced optical imaging.
    • The array's real-time processing and suitability for neural networks open new avenues in optical computing.