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Optics Letters

Optics Letters


  • Vol. 22, Iss. 14 — Jul. 15, 1997
  • pp: 1113–1115

Electrically controllable multiple, active, computer-generated hologram

Chris Slinger, Pete Brett, Victor Hui, Graham Monnington, Doug Pain, and Ian Sage  »View Author Affiliations

Optics Letters, Vol. 22, Issue 14, pp. 1113-1115 (1997)

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The multiple, active, computer-generated hologram (MACH) is a novel device combining the attributes of electrically controllable diffraction gratings and computer-generated holograms. The version discussed here consists of a surface relief transmitting structure immersed in a nematic liquid crystal and sandwiched between two, planar indium tin oxide electrodes. Under control of a single applied voltage, the device can selectively generate any one of a number of desired, uncorrelated optical wave fronts. The device principles are discussed and experimental results presented. There is a brief discussion of the relative merits of the MACH and electrically addressed spatial light modulators.

© 1997 Optical Society of America

Chris Slinger, Pete Brett, Victor Hui, Graham Monnington, Doug Pain, and Ian Sage, "Electrically controllable multiple, active, computer-generated hologram," Opt. Lett. 22, 1113-1115 (1997)

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