Matched filtering Generalized Phase Contrast using binary phase for dynamic spot- and line patterns in biophotonics and structured lighting

Andrew Rafael Bañas, Thomas Aabo, Darwin Palima, Jesper Glückstad

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Abstract

This work discusses the use of matched filtering Generalized Phase Contrast (mGPC) as an efficient and cost-effective beam shaper for applications such as in biophotonics, optical micromanipulation, microscopy and two-photon polymerization. The theoretical foundation of mGPC is described as a combination of Generalized Phase Contrast and phase-only correlation. Such an analysis makes it convenient to optimize an mGPC system for different setup conditions. Results showing binary-only phase generation of dynamic spot arrays and line patterns are presented. © 201 Optical Society of America
Original languageEnglish
JournalOptics Express
Volume21
Issue number2
Pages (from-to)1849-1856
ISSN1094-4087
Publication statusPublished - 2013

Keywords

  • Spatial filtering
  • Laser beam shaping
  • Binary phase-only filters
  • Spatial light modulators

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