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PhysicsWorld Archive

Terahertz imaging comes into view

  1. Don Arnone
  2. Craig Ciesla
  3. Michael Pepper
April 2000
Article Type

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Article summary

Imaging technology is becoming increasingly prevalent in our society. X-ray scanners are routinely used to examine luggage at airports, for example, and most hospitals are equipped with ultrasound scanners and magnetic resonance imaging machines. There is also a wealth of other less well known applications throughout industry. For instance, X-rays are used for package inspection, while the defects or voids in materials on production lines are often probed using microwaves or ultrasound.