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Optics Letters

Optics Letters


  • Vol. 20, Iss. 12 — Jun. 15, 1995
  • pp: 1444–1446

Improvement of spatial light modulator optical input/output performance using microlens arrays

H. Chase, M. A. Handschy, M. J. O’Callaghan, and F. W. Supon  »View Author Affiliations

Optics Letters, Vol. 20, Issue 12, pp. 1444-1446 (1995)

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Advanced spatial light modulators both detect incident light and modulate reflected light. Each pixel may contain multiple photodetectors, a modulator, control circuitry, and signal-processing circuitry. Because each detector and modulator occupies only a fraction of the area of a pixel the optical efficiency of these devices suffers. We have experimented with improving optical input/output performance by integrating a microlens array with a ferroelectric liquid-crystal VLSI spatial light modulator. We have studied the microlens VLSI spacing accuracy that must be achieved to yield minimum distortion of reflected wave fronts and the best optical efficiency for Fourier-transform applications.

© 1995 Optical Society of America

Original Manuscript: March 6, 1995
Published: June 15, 1995

H. Chase, M. A. Handschy, M. J. O’Callaghan, and F. W. Supon, "Improvement of spatial light modulator optical input/output performance using microlens arrays," Opt. Lett. 20, 1444-1446 (1995)

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