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Related Experiment Videos

Computed radiography: photostimulable phosphor image plate technology.

B W Long1

  • 1Radiologic Sciences Program, DAHS, I.U. School of Medicine, Indianapolis, IN 46202.

Radiologic Technology
|November 1, 1989
PubMed
Summary

Computed radiography uses photostimulable phosphor image plate technology to create digital images from conventional X-rays. This emerging digital imaging modality offers a new approach to radiographic procedures.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Digital Technology

Background:

  • Computed radiography (CR) is an emerging digital imaging modality.
  • It utilizes photostimulable phosphor (PSP) image plate technology.
  • CR is designed for integration into conventional radiography settings.

Purpose of the Study:

  • To describe the fundamental principles of computed radiography.
  • To explain the technology behind photostimulable phosphor image plates.
  • To outline the process of latent image formation and retrieval in CR.

Main Methods:

  • Utilizes a photostimulable phosphor image plate housed in a standard radiographic cassette.
  • The image plate captures and retains a latent image after exposure to radiation.

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  • A laser scanner reads the latent image by stimulating the phosphor with laser light.

    • Main Results:

    • The latent image is released from the phosphor upon laser stimulation.
    • The released image data is processed to form a digital radiographic image.
    • The final image is laser printed onto film for viewing.

    Conclusions:

    • Computed radiography represents a significant advancement in digital imaging for conventional radiography.
    • The photostimulable phosphor technology enables the capture and digital processing of radiographic images.
    • CR offers a pathway towards digital integration in existing radiographic workflows.