Phase-only modulation with twisted nematic liquid-crystal spatial light modulators

N. Konforti, S. T. Wu, E. Marom

Research output: Contribution to journalArticlepeer-review

Abstract

It is shown that twisted nematic liquid-crystal spatial light modulators behave as phase-only modulators when operated below the conventional optical threshold. Thus such devices, when operated in a reflection mode, behave as spatial amplitude modulators when used between crossed polarizers above the optical threshold; they behave as phase modulators when used between parallel polarizers and operated below that threshold.

Original languageEnglish
Pages (from-to)251-253
Number of pages3
JournalOptics Letters
Volume13
Issue number3
DOIs
StatePublished - Mar 1988

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