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Two-Dimensional Laser Deflection Using Fourier Optics

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1 Author(s)

Although several methods of rapid light deflection have been proposed by Bergmann and others,1 the problem of two-dimensional deflection is still not completely solved. The purpose of this communication is to examine the feasibility of a method of diffracting the collimated monochromatic light of a laser by means of the diffraction spectrum of crossed objects having variable frequency, periodic amplitude or phase. By such means it is possible to move an intense light spot over a two-dimensional field. A possible application of this principal would be in read-only computer stores.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:9 ,  Issue: 4 )

Date of Publication:

July 1965

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