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IBM Journal of Research and Development  
Volume 26, Number 2, Page 228 (1982)
Laser Applications
  Full article: arrowPDF   arrowCopyright info


Holography in the IBM 3687 Supermarket Scanner

by L. D. Dickson, G. T. Sincerbox, A. D. Wolfheimer
The IBM 3687 Supermarket Scanner is described, with emphasis on the holographic deflector disk used to create the scan pattern. The scanner exploits the functional advantages of holography to create a dense, multiple-focal-plane scan pattern with small spot size and large depth of field. The optical design of the holographic disk is discussed and basic disk fabrication concepts are introduced.
Related Subjects: Holography; Lasers