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Applied Optics

Applied Optics


  • Vol. 34, Iss. 29 — Oct. 10, 1995
  • pp: 6652–6665

Programmable multiple-level phase modulation that uses ferroelectric liquid-crystal spatial light modulators

S. E. Broomfield, M. A. A. Neil, and E. G. S. Paige  »View Author Affiliations

Applied Optics, Vol. 34, Issue 29, pp. 6652-6665 (1995)

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We present a novel method of producing arbitrarily valued binary phase-only modulation from a commercially available ferroelectric liquid-crystal spatial light modulator that is used in conjunction with simple polarization components. By cascading of such stages, modulators with four and eight equally spaced phase levels are constructed with 128 × 128 pixels. Near-diffraction-limited performance, when stopped down to 64 × 64 pixels, is reported in producing simple diffraction patterns and when used to generate asymmetric spot arrays in the Fourier plane of a lens.

© 1995 Optical Society of America

Original Manuscript: February 23, 1995
Revised Manuscript: June 16, 1995
Published: October 10, 1995

S. E. Broomfield, M. A. A. Neil, and E. G. S. Paige, "Programmable multiple-level phase modulation that uses ferroelectric liquid-crystal spatial light modulators," Appl. Opt. 34, 6652-6665 (1995)

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  9. Model 2DX × 128, supplied by Thorn Electrical Music Industries, Central Research Laboratories, Smectic Technology, Dawley Road, Hayes, Middlesex UB3 1HH, UK.
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