Real-time binary-amplitude phase-only filters

Ignacio Moreno, Esmail Ahouzi, Juan Campos, María J. Yzuel

Research output: Contribution to journalArticleResearchpeer-review

14 Citations (Scopus)

Abstract

A real-time binary-amplitude phase-only filter (BAPOF) implemented in available phase-only modulators is presented. The BAPOF has an amplitude transmission equal to one only in a region of support, while the transmission is equal to zero in the complementary region. To implementzero transmission in a phase-only modulator we propose to add a linear phase to the region of support. In this way the correlation desired is obtained off axis. Computer simulations and experimental results obtained with this technique are given. © 1997 Optical Society of America.
Original languageEnglish
Pages (from-to)7428-7432
JournalApplied Optics
Volume36
DOIs
Publication statusPublished - 10 Oct 1997

Keywords

  • Binary-amplitude phase-only filters
  • Pattern recognition
  • Spatial light modulators

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